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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 85. Отображено 85.
29-09-2017 дата публикации

공액디엔의 제조 방법

Номер: KR0101783517B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 공액디엔의 제조 방법에 관한 것으로, 구체적으로는 공액디엔의 제조 방법에 관한 것으로, 본 발명에 따르면 n-부텐 등의 모노올레핀의 접촉 산화 탈수소 반응에 의해 부타디엔 등의 공액디엔을 제조하는 방법에 있어서, 냉각에 의해 배출된 배출수를 증류시킴으로써 폐수 발생량을 증가하지 않고 경질 부산물을 냉각 단계에서 효과적으로 제거할 수 있는 공액디엔의 제조방법을 제공하는 효과가 있다.

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14-03-2017 дата публикации

다성분계 복합금속산화물 촉매, 이의 제조방법 및 이를 이용한 1,3-부타디엔의 제조방법

Номер: KR0101716550B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 우수한 촉매활성을 나타내면서 기계적 강도가 우수하여 결과적으로 수명특성이 우수한 비정질계 복합금속산화물 및 결정질계 복합금속산화물을 포함하는 조성물로부터 유래된 다성분계 비스무스-몰리브덴 복합금속산화물 촉매, 이의 제조방법 및 이를 이용한 1,3-부타디엔의 제조방법에 관한 것이다. 이에 따른 다성분계 비스무스-몰리브덴 복합금속산화물 촉매는 결정화도가 향상될 수 있으며, 이에 상기 촉매의 기계적 강도가 향상되어 이를 이용한 촉매 반응 공정, 특히 1,3-부타디엔을 제조하기 위한 산화적-탈수소화 반응 공정에서 높은 촉매활성을 나타내면서 우수한 파쇄저항성 및 내마모성을 나타낼 수 있다.

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12-10-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, AND PREPARATION METHOD THEREFOR

Номер: KR1020170110894A
Принадлежит:

The present invention relates to a method for preparing a catalyst for an oxidative dehydrogenation reaction, which comprises the following steps: a first step for preparing an iron-metal precursor aqueous solution by dissolving a trivalent cation iron (Fe) precursor and a divalent cation metal (A) precursor in distilled water; (b) a second step for obtaining iron-metal oxide slurry by reacting the iron-metal precursor aqueous solution with ammonia water in a coprecipitation tank so as to form an iron-metal oxide, and filtering the same; and (c) a third step for heating the iron-metal oxide slurry. The present invention provides a method for economically preparing, by means of a simple process, a catalyst having a high amount of spinel structures during preparation of a metal oxide catalyst as a catalyst for the oxidative dehydrogenation reaction. COPYRIGHT KIPO 2017 ...

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23-06-2016 дата публикации

BUTADIENE PRODUCTION METHOD

Номер: WO2016099046A1
Принадлежит:

The present invention relates to a butadiene production method and, more specifically, to a method for producing butadiene by introducing butene and oxygen into a reactor having a metal composite oxide catalyst therein and subjecting same to oxidative dehydrogenation, the butadiene production method being characterized in that the molar ratio of butene to oxygen is 1.8 to 2.2. The present invention has the effect of providing a butadiene production method which secures long-term operational stability by maintaining the strength of a catalyst even if subjected to oxidative dehydrogenation and does not diminish selectivity by reducing a side reaction.

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13-07-2016 дата публикации

MANUFACTURING METHOD OF CONJUGATED DIENE

Номер: KR1020160084044A
Принадлежит:

The present invention relates to a manufacturing method of conjugated diene. According to the present invention, the manufacturing method of conjugated diene such as butadiene or the like through contact oxidative dehydrogenation reaction of mono-olefins such as n-butene and the like circulates generated absorption tower exhaust gas to the oxidative dehydrogenation reaction by maximally absorbing butadiene through controlling the type of absorption solvent and reaction conditions, thereby manufacturing conjugated diene such as butadiene or the like with high efficiency. COPYRIGHT KIPO 2016 ...

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28-05-2015 дата публикации

BISMUTH MOLYBDATE-BASED CATALYST HAVING ZEOLITE COATING LAYER, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING 1,3-BUTADIENE USING SAME

Номер: KR1020150058055A
Принадлежит:

The present invention relates to a bismuth molybdate-based composite oxide catalyst having high selectivity to 1,3-butadiene and having a microporous zeolite coating layer formed on a surface thereof, a method for preparing the same, and a method for preparing 1,3-butadiene using the same. The catalyst has the zeolite coating layer with micropores, thereby selectively passing only a gas product (light) containing 1,3-butadiene, as a target product, thus improving the selectivity to 1,3-butadiene. COPYRIGHT KIPO 2015 ...

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08-03-2017 дата публикации

부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법

Номер: KR0101714127B1
Принадлежит: 주식회사 엘지화학

... 본 기재는 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법에 관한 것으로, 보다 상세하게는 금속 복합산화물, 바인더 및 실리카겔(silica gel)을 포함하는 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법에 관한 것이다. 본 기재에 따르면, 상온에서 장시간 방치하는 경우에도 수분을 흡수하지 않는 촉매 전구체를 사용하여 변형이 적으면서도 상업용 촉매 제조과정에서의 안정성이 향상되어 경제적으로 제조되는 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법을 제공하는 효과가 있다.

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01-08-2017 дата публикации

TERMINAL DEVICE, REMOTE CONTROL SYSTEM AND CONTROL METHOD THEREOF

Номер: KR1020170088272A
Принадлежит:

Disclosed are a terminal device, a remote control system, and a control method thereof. The terminal device includes a communication unit which communicates with a plurality of external devices, a display which generates and displays a chatting window if a generation signal of a preset event is received from a first external device among a plurality of external devices, and a processor which controls the communication unit to connect to at least one second external device related to the preset event. The processor displays the at least one second external device on the chatting window and controls the display to display a message to inquire whether to perform a preset operation corresponding to the preset event and a GUI to select whether to perform the preset operation on the chatting window. Accordingly, the present invention can construct a more efficient remote control environment. COPYRIGHT KIPO 2017 ...

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15-06-2016 дата публикации

METAL COMPLEX OXIDE CATALYST AND MANUFACTURING METHOD THEREOF

Номер: KR1020160068362A
Принадлежит:

The present invention relates to a metal complex oxide catalyst, and a manufacturing method thereof. More particularly, the present invention relates to a metal complex oxide catalyst manufactured by mixing a metal complex oxide precursor and metal complex oxide catalyst fine particles, and a manufacturing method thereof. According to the present invention, the metal complex oxide catalyst has increased catalytic strength, thereby having a substantially increased physical stability. The manufacturing method can manufacture the metal complex oxide catalyst at reduced costs without degrading catalytic activity. COPYRIGHT KIPO 2016 ...

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22-03-2017 дата публикации

관로 폐색­프리 공액디엔의 제조방법 및 관로 내 퇴적 고형분 제거장치

Номер: KR0101715455B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 관로 폐색-프리 공액디엔의 제조방법 및 관로 내 퇴적 고형분 제거장치에 관한 것으로, 본 발명에 따르면, n-부텐 등의 모노올레핀의 접촉 산화 탈수소 반응에 의해 부타디엔 등의 공액디엔을 제조하는 방법에 있어서, 반응기의 관로, 특히 콘덴서(condenser)내 관로 폐색을 물리적인 방식으로 해소함으로써 경제적이고 안정적인 운전 조건을 갖는 공액디엔의 제조방법 및 이에 사용되는 제거장치를 제공하는 효과가 있다.

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02-08-2018 дата публикации

FERRITE CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING BUTADIENE BY USING SAME

Номер: WO2018139776A1
Принадлежит:

The present invention relates to a ferrite catalyst for an oxidative dehydrogenation reaction and a method for preparing the same and, more specifically, to: a method for preparing a ferrite catalyst for an oxidative dehydrogenation reaction, comprising, in an epoxide-based sol-gel method, a first sintering step of performing sintering at 70-200 °C, and a second sintering step of performing sintering by increasing the temperature from a temperature higher than 200 °C and lower than or equal to 250 °C to 600-900 °C; and the like. According to the present invention, since an epoxide-based sol-gel method is used, a method for preparing a catalyst is simple, a material comprising a pure spinel structure not including an α-Fe2O3 phase can be obtained, and a large surface area and a macroporous structure is obtained, and thus a catalyst having a higher reactivity than a catalyst prepared by a conventional technique, and the like can be provided.

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12-07-2016 дата публикации

MIXED OXIDE CATALYST FOR PREPARING BUTADIENE AND PREPARATION METHOD THEREOF

Номер: KR1020160083698A
Принадлежит:

The present invention relates to a mixed metal oxide catalyst for preparing butadiene, and a preparation method thereof. More particularly, the mixed metal oxide catalyst for preparing butadiene comprises mixed metal oxide and a binder, wherein the mixed metal oxide is prepared from a mixed metal oxide precursor having a diameter of coprecipitate (d90) of 30-75μm. According to an embodiment of the present invention, the mixed metal oxide catalyst has enhanced catalytic strength and increased butadiene yield by controlling the diameter of coprecipitate of the mixed metal oxide precursor. COPYRIGHT KIPO 2016 (AA) Particle size(μm) (BB) Aging time(hr) (CC) Average value (DD) Center value ...

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30-08-2018 дата публикации

DEVICE FOR ADJUSTING SHAFT ANGLE OF GOLF PUTTER

Номер: WO2018155743A1
Принадлежит:

The present invention relates to a technique for adjusting a shaft angle of a golf putter and maintaining the current state of the adjusted angle regardless of an impact caused by putting. In particular, the present invention relates to a technique capable of precisely adjusting the angle of the shaft when adjusting the angle of a shaft and also preventing a sway from the impact of the putting at the adjusted angle. The present invention has the advantage in that the weight of a head portion can be easily adjusted by adjusting the size of the head portion of a shaft angle fixing bolt that fixes respective component modules so as to realize a lie angle and a loft angle simultaneously.

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03-01-2019 дата публикации

자동차 압축기용 풀리 제조방법

Номер: KR0101934761B1
Автор: 한준규, 정상근
Принадлежит: (주) 한국정공

... 본 발명은 적은량의 소재를 이용하여 풀리 설계치수에 근접하는 가시적 형상을 만들고, 이를 후가공과정을 통하여 가공량을 줄이면서 신속 정밀하게 가공하여 풀리를 얻음으로서 전체적인 생산원가를 대폭 절감하면서 가공용이성을 제공하고 조직이 치밀하면서 견인력이 우수한 내구성 있는 풀리를 제공할 수 있도록 한 것으로서; 원판형상의 소재를 냉간성형할 수 있도록 소둔처리와 윤활처리를 수행하는 준비단계와; 준비된 원판형상의 소재를 냉간단조를 통하여 풀리의 가시적인 형상으로 만드는 1차냉간단조단계와; 1차냉간단조를 통하여 완성된 가시적인 형상에 냉간단조를 통하여 풀리의 설계치수에 더욱 근접한 형상으로 만드는 2차냉간단조단계와; 설계치수에 근접한 형상으로 완성된 가시적인 풀리를 황삭과 피어싱 및 정삭가공을 통하여 완전한 형상으로 만드는 후가공단계로 이루어지는 것이 특징이다.

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01-06-2017 дата публикации

부타디엔 제조용 복합산화물 촉매 및 이의 제조방법

Номер: KR0101742860B1
Принадлежит: 주식회사 엘지화학

... 발명은 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법에 관한 것으로, 보다 상세하게는 금속 복합산화물 및 바인더를 포함하는 부타디엔 제조용 금속 복합산화물 촉매에 있어서, 상기 금속 복합산화물은 공침 입도 d90이 30 내지 75 ㎛인 금속 복합산화물 전구체로부터 제조됨을 특징으로 하는 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법에 관한 것이다. 본 발명에 따르면, 금속 복합산화물 전구체의 공침 입도가 제어되어 우수한 촉매 강도 및 부타디엔 수율을 갖는 부타디엔 제조용 금속 복합산화물 촉매 및 이의 제조방법을 제공하는 효과가 있다.

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15-06-2016 дата публикации

PREPARATION METHOD OF CONJUGATED DIENE

Номер: KR1020160068351A
Принадлежит:

The present invention relates to a preparation method of conjugated diene. According to the present invention, the preparation method of conjugated diene such as butadiene or the like by a contact oxidation dehydrogenation reaction of monoolefin such as n-butene or the like inactivates an organic solvent in an overhead exhaust gas in an absorption step, and does not affect catalytic activity when re-circulating the organic solvent to a reactor, thereby having greater efficiency in comparison to a conventional method. COPYRIGHT KIPO 2016 ...

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05-10-2016 дата публикации

MANUFACTURING APPARATUS AND MANUFACTURING METHOD OF CONJUGATED DIENE

Номер: KR1020160114272A
Принадлежит:

The present invention relates to a manufacturing apparatus and a manufacturing method of conjugated diene. According to the present invention, provided are a manufacturing method of conjugated diene and a manufacturing apparatus used therefor. The manufacturing method of conjugated diene does not treat the lower discharged water as the wastewater, discharged after cooling a production gas including butadiene, uses the steam converted by removing byproducts and extracting the steam, and solvent the existing problem of facilities for biological wastewater due to the excessive contents of byproducts. COPYRIGHT KIPO 2016 ...

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10-12-2018 дата публикации

METHOD OF MANUFACTURING PULLEY FOR VEHICLE COMPRESSOR

Номер: KR1020180130838A
Принадлежит:

Provided is a method of manufacturing a pulley for a vehicle compressor, which can make a visible shape close to the pulley design dimensions using a small amount of materials and obtain a pulley by machining the visible shape rapidly and precisely while reducing a worked rate through a post-processing process, thereby remarkably reducing manufacturing costs, and providing easiness in machining, compact texture, and excellent traction power and durability. The method of manufacturing a pulley for a vehicle compressor comprises: a preparing step of annealing and lubricating to perform cold forming of a disc-shaped material; a first cold forging step of making a visible shape of a pulley through cold forging of the prepared disc-shaped material; a second cold forging step of making the visible shape obtained through the first cold forging step into a shape close to design dimensions of the pulley through cold forging; and a post-processing step of making the visible pulley having the shape ...

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18-10-2018 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, METHOD FOR PRODUCING SAME, AND OXIDATIVE DEHYDROGENATION METHOD USING SAME

Номер: WO2018190641A1
Принадлежит:

The present invention relates to a catalyst for an oxidative dehydrogenation reaction, a method for producing same, and an oxidative dehydrogenation method using same. More specifically, the present invention provides the effects of improving the durability of the catalyst or ease of filling the catalyst by coating a porous support with a metal oxide (AB2O4) which is active in the oxidative dehydrogenation reaction so as to satisfy the following equation 1, and ultimately greatly improving the rate of conversion of butene, the selectivity of butadiene, the yield, etc. in an oxidative dehydrogenation reaction of butene.

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04-07-2019 дата публикации

METHOD FOR MANUFACTURING ZINC FERRITE CATALYST AND ZINC FERRITE CATALYST MANUFACTURED THEREBY

Номер: WO2019132392A1
Принадлежит:

The present specification relates to a method for manufacturing a zinc ferrite catalyst, comprising the steps of: preparing a zinc precursor solution; preparing a ferrite precursor solution; bringing the zinc precursor solution into contact with an alkaline solution to obtain a first precipitate; adding the ferrite precursor solution to the first precipitate to obtain a second precipitate; and filtering the second precipitate, followed by drying and firing.

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21-05-2015 дата публикации

CATALYST COMPOSITION AND METHOD FOR PREPARING SAME

Номер: WO2015072779A9
Принадлежит:

The present disclosure relates to a catalyst composition for an oxidative dehydrogenation reaction, and a method for preparing the same and, more particularly, to a catalyst composition comprising a multi-component metal oxide catalyst and a mixed metal hydroxide. According to the present disclosure, the catalyst composition and the method for preparing the same exhibit effects of: having an excellent mechanical durability to prevent loss occurring in the course of filling and prevent abrasion due to long-term use, etc.; inhibiting polymer formation and carbon deposition during the reaction; and exhibiting good conversion rate and selectivity.

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13-07-2018 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION AND METHOD OF PREPARING SAME

Номер: KR1020180080814A
Принадлежит:

The present disclosure relates to a catalyst for oxidative dehydrogenation and a method of preparing the same, and more specifically, to a reaction catalyst and a method of preparing the same, wherein the reaction catalyst is used in oxidative dehydrogenation of butane and comprises a metal oxide represented by chemical formula 1, Z_(x-1)Ce_xFe_2O_4. In chemical formula 1, x satisfies 0 < x < 0.6. The present disclosure has an effect of providing a reaction catalyst and a method of preparing the same, wherein the reaction catalyst stably secures butadiene yield and catalytic activity at a wide reaction temperature condition during oxidative dehydrogenation of butane, can obtain a high butadiene yield compared to the prior art, and increases the catalytic activity event even at low reaction temperatures. COPYRIGHT KIPO 2018 ...

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09-01-2018 дата публикации

열전달 장치

Номер: KR0101816654B1
Принадлежит: 광주과학기술원

... 실시예는 열전달 장치로서, 사용자가 설정한 세기의 열을 발생시키는 열발생 장치, 상기 열발생 장치를 덮으면서 사용자의 신체와 접촉되는 커버 및 상기 열발생 장치와 상기 커버 사이에서 마련되며 상기 열발생 장치에서 발생되는 열을 전달하는 열전달 매개체를 포함하고, 상기 열전달 매개체는 소정 길이의 단일 와이어가 얽혀져 소정의 너비과 높이를 갖도록 형성된 구조물이며, 사용자의 신체와 접촉시 축방향으로의 압축이 이루어져 포아송 비(Poisson's ratio)가 0.5 이상으로 나타나는 구조물일 수 있다. 따라서, 열을 발생시키는 장치의 구조적인 변경이 필요하지 않으며 열발생 장치와 접촉되는 물질만을 변경함으로써, 발생되는 열을 더욱 빠르게 사용자 신체에 도달하게 할 수 있다.

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31-05-2017 дата публикации

제올라이트 코팅층을 갖는 비스무스 몰리브데이트계 촉매, 이의 제조방법 및 이를 이용한 1,3-부타디엔의 제조방법

Номер: KR0101742360B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 높은 1,3-부타디엔 선택도를 갖는, 표면에 미세기공의 제올라이트 코팅층이 형성된 비스무스 몰리브데이트계 복합산화물 촉매, 이의 제조방법 및 이를 사용한 1,3-부타디엔의 제조방법에 관한 것이다. 이에 따른, 상기 촉매는 미세기공을 갖는 제올라이트 코팅층을 가짐으로써 목적 생성물인 1,3-부타디엔을 포함하는 기체 생성물(light)만 선택적으로 통과시켜 1,3-부타디엔의 선택도를 향상시킬 수 있다.

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26-10-2017 дата публикации

CATALYST FOR COATING SURFACES OF MICROPOROUS BODIES AND SURFACE TREATMENT METHOD FOR MICROPOROUS BODIES

Номер: KR1020170119051A
Принадлежит:

The present invention relates to a catalyst for coating surfaces of microporous bodies, and a surface treatment method for microporous bodies. The catalyst for coating surfaces of the microporous bodies and the surface treatment method for the microporous bodies easily control heat emission when used in synthetic reactions for butadiene under high pressure involving high gas hourly space velocity, and also effectively alleviate differential pressure, thereby ensuring improved reactant conversion rate and product selectivity. COPYRIGHT KIPO 2017 (AA) Surface coating ...

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27-09-2017 дата публикации

METHOD FOR PREPARING CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION

Номер: KR1020170108843A
Принадлежит:

The present invention relates to a method for preparing a catalyst for an oxidative dehydrogenation reaction. According to the present invention, the pH of the coprecipitation solution is maintained constantly by a double dripping precipitation method to adjust the content of alpha-iron oxide in the catalyst to a certain range, thereby providing the preparation method of the catalyst for the oxidative dehydrogenation reaction having excellent selectivity and yield of the conjugated diene according to the oxidative dehydrogenation reaction. COPYRIGHT KIPO 2017 ...

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03-05-2018 дата публикации

METHOD FOR PREPARING BUTADIENE WITH EXCELLENT CATALYST REPRODUCIBILITY

Номер: WO2018080025A1
Принадлежит:

The present invention relates to a method for preparing butadiene with excellent catalyst reproducibility and, more specifically, to a method for preparing butadiene with excellent catalyst reproducibility, the method comprising: a reaction step for introducing reactants comprising butene, oxygen, nitrogen, and steam as constitutional components into a reactor charged with a metal oxide catalyst to perform an oxidative dehydrogenation reaction at a reaction temperature of 300-450℃; a first cooling step for, after the reaction step, maintaining the supply of the reactants within a range in which each of the constitutional components has a flow rate change of less than ±40% or stopping only the supply of butene among the reactants, and then cooling the reactor to a range of equal to or lower than 200℃ and higher than 70℃; and a second cooling step for, after the first cooling step, stopping the supply of the reactants or at least the supply of butene among the reactants, and then cooling ...

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13-06-2016 дата публикации

PIPELINE BLOCKAGE-FREE PREPARATION METHOD OF CONJUGATED DIENE AND APPARATUS FOR REMOVING SOLID SEDIMENTS INSIDE PIPELINE

Номер: KR1020160066688A
Принадлежит:

The present invention relates to a pipeline blockage-free preparation method of conjugated diene, and an apparatus for removing solid sediments inside the pipeline. According to the present invention, the conjugated diene is prepared by contact oxygen dehydrogenation reaction of monoolefin such as n-butene or the like. The preparation method resolves blockage in a pipeline of a reactor and, particularly, in a pipeline of a condenser through a physical method, thereby having cost-effective and stable operating conditions. COPYRIGHT KIPO 2016 (AA) Reactor (BB) Scrubber (CC) Side (D1,D2) Position of a rotation axis (EE) Gas flow (F1,F2) Disk (GG) Front ...

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27-07-2017 дата публикации

TERMINAL DEVICE, REMOTE CONTROL SYSTEM AND CONTROL METHOD

Номер: WO2017126740A1
Принадлежит:

A terminal device, a remote control system and a control method are disclosed. The terminal device comprises: a communication unit for communicating with a plurality of external devices; a display for creating and displaying a chat window when a preset event generation signal is received from a first external device among the plurality of external devices; and a processor for controlling the communication unit so as to connect with at least one second external device that is associated with the preset event, wherein the processor controls the display so as to display the at least one second external device on the chat window, and display a message and a button on the chat window, the message inquiring whether to execute a preset operation corresponding to the preset event, and the button enabling selecting whether to execute the preset operation.

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05-10-2017 дата публикации

METHOD FOR PREPARING ZINC FERRITE CATALYST

Номер: WO2017171278A2
Принадлежит:

The present disclosure relates to a method for preparing a zinc ferrite catalyst and, more specifically, to a method for preparing a zinc ferrite catalyst, comprising the steps of: (a) dissolving a zinc precursor and an iron (III) precursor in water to prepare a metallic precursor aqueous solution; (b) evaporating the water from the metallic precursor aqueous solution while extracting a catalyst precursor in a solid phase; and (c) baking the extracted catalyst precursor of a solid phase to prepare a zinc ferrite catalyst. As the invention according to the present disclosure can prepare zinc ferrite without going through a step of adjusting pH, the invention has the effects of simplifying the preparation processes and securing reproducibility.

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21-05-2015 дата публикации

CATALYST COMPOSITION AND METHOD FOR PREPARING SAME

Номер: WO2015072779A1
Принадлежит:

The present disclosure relates to a catalyst composition for an oxidative dehydrogenation reaction, and a method for preparing the same and, more particularly, to a catalyst composition comprising a multi-component metal oxide catalyst and a mixed metal hydroxide. According to the present disclosure, the catalyst composition and the method for preparing the same exhibit effects of: having an excellent mechanical durability to prevent loss occurring in the course of filling and prevent abrasion due to long-term use, etc.; inhibiting polymer formation and carbon deposition during the reaction; and exhibiting good conversion rate and selectivity.

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17-12-2015 дата публикации

METHOD FOR MANUFACTURING MULTI-COMPONENT COMPOSITE METAL OXIDE CATALYST

Номер: WO2015190754A1
Принадлежит:

The present invention relates to: a method for manufacturing a multi-component bismuth-molybdenum composite metal oxide catalyst, the method comprising a step of conducting first co-precipitation and second co-precipitation; and a multi-component bismuth-molybdenum composite metal oxide catalyst manufactured by the method. According to the manufacturing method, metal components constituting the catalyst are co-precipitated by two divided steps, the first co-precipitation and the second co-precipitation, and thus the catalyst can have a nearly identical structure to the conventional four-component bismuth-molybdenum catalyst, thereby suppressing the deterioration in catalytic activity due to the deformation of the catalyst structure, and the number of lattice oxygen atoms consumed during the reaction can be controlled to increase the catalytic activity, thereby reducing the generation of byproducts in a catalytic reaction process using the catalyst, particularly, in a catalytic reaction ...

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06-12-2017 дата публикации

HEAT TRANSFER DEVICE

Номер: KR1020170134026A
Принадлежит:

An embodiment of the present invention relates to a heat transfer device, comprising: a heat generating device for generating heat of a strength set by a user; a cover which is in contact with the user′s body while covering the heat generating device; and a heat transfer medium provided between the heat generating device and the cover to transfer heat generated in the heat generating device. The heat transfer medium is a structure formed by entangling a single wire of a predetermined length to have predetermined width and height, and can be a structure in which compression in an axial direction is made when comes in contact with the user′s body and the Poisson′s ratio is 0.5 or more. Thus, by changing only a material in contact with the heat generating device while not requiring structural modification of the device generating heat, generated heat can more quickly reach the user′s body. COPYRIGHT KIPO 2017 (AA) Horizontal contact (BB) Vertical contact ...

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26-10-2017 дата публикации

CATALYST FOR SURFACE COATING OF MICROPOROUS MATERIAL AND METHOD FOR SURFACE TREATMENT OF MICROPOROUS MATERIAL

Номер: WO2017183829A2
Принадлежит:

The present invention relates to a catalyst for surface coating of a microporous material and a method for surface treatment of a microporous material. When used in a butadiene synthesis reaction under the condition of a high gas space velocity and a high pressure, the catalyst for surface coating of a microporous material and the method for surface treatment of a microporous material according to the present invention can readily control heat generation and effectively relieve a pressure difference, with the consequent improvement of conversion rate of reactants and selectivity for products.

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04-04-2018 дата публикации

POWER TRANSMISSION DEVICE

Номер: KR1020180034122A
Автор: HAN, JUN KYU
Принадлежит:

The present invention provides a power transmission device. The power transmission device comprises: a support portion fixed to a hull; a fixing portion disposed on the support portion; a bulkhead chamber provided in the fixing portion; a shaft inserted into the bulkhead chamber; a sealing ring in which a part thereof is inserted into the bulkhead chamber arranged to cover the outer circumferential surface of the shaft; and a position control portion disposed between the fixing portion and the support portion to move the position of the fixing portion. COPYRIGHT KIPO 2018 ...

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27-07-2017 дата публикации

TERMINAL DEVICE, REMOTE CONTROL SYSTEM AND CONTROL METHOD

Номер: WO2017126827A1
Принадлежит:

A terminal device, a remote control system and a control method are disclosed. The terminal device comprises: a communication unit for communicating with a plurality of external devices; a display for creating and displaying a chat window when a preset event generation signal is received from a first external device among the plurality of external devices; and a processor for controlling the communication unit so as to connect with at least one second external device that is associated with the preset event, wherein the processor controls the display so as to display the at least one second external device on the chat window, and display a message and a GUI on the chat window, the message inquiring whether to execute a preset operation corresponding to the preset event, and the GUI enabling selecting whether to execute the preset operation.

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08-09-2017 дата публикации

FERRITE-BASED CATALYST COMPOSITE, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING BUTADIENE

Номер: WO2017150830A1
Принадлежит:

The present invention relates to a ferrite-based catalyst composite, a method for preparing the same, and a method for preparing butadiene. According to the present invention, there are effects of providing: a ferrite-based catalyst composite having a shape capable of preventing a side reaction and the damage to a catalyst by effectively dispersing excessive heat (exothermic) generated in the butadiene preparation process and offsetting the direct exposure of a catalyst to heating; a method for preparing the ferrite-based catalyst composite; and a method for preparing butadiene, wherein the ferrite-based catalyst composite is used to provide a broad temperature profile at a catalyst active site upon the oxidative dehydrogenation reaction, thereby lowering the temperature of a hot spot and reducing the generation of COx, leading to an improvement in process efficiency.

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14-12-2017 дата публикации

OXIDATIVE DEHYDROGENATION REACTION CATALYST AND PREPARATION METHOD THEREFOR

Номер: WO2017213360A1
Принадлежит:

The present invention relates to an oxidative dehydrogenation reaction catalyst and a preparation method therefor. According to the present invention, metal oxide nanoparticles are prepared and then immobilized to a support to afford an oxidative dehydrogenation reaction catalyst which exhibits the effect of high butene conversion rate and outstanding side reaction suppression, with resultant outstanding reactivity and selectivity for products. A preparation method for the catalyst is also provided.

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16-08-2018 дата публикации

HEAT-DISSIPATING MATERIAL HAVING ELECTRICAL INSULATION PROPERTIES

Номер: KR1020180091608A
Принадлежит:

The present invention relates to a heat-dissipating material having insulation properties. More specifically, the present invention relates to a heat-dissipating material having electrical insulation properties including hexagonal boron nitride having a two-dimensional structure such as graphene. To this end, the heat-dissipating material contains a flat first material having high electrical conductivity thermal conductivity, and a flat second material having low electrical conductivity and high thermal conductivity, wherein the second material is bonded to upper and lower surfaces of the first material. The heat-dissipating material having electrical insulation properties enables production of heat-dissipating materials having electrical insulation properties capable of conducting heat while blocking electricity. COPYRIGHT KIPO 2018 ...

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13-07-2016 дата публикации

MANUFACTURING METHOD OF CONJUGATED DIENE

Номер: KR1020160084046A
Принадлежит:

The present invention relates to a manufacturing method of conjugated diene. According to the present invention, the manufacturing method of conjugated diene such as butadiene or the like through contact oxidative dehydrogenation reaction of mono-olefins such as n-butene, or the like, can efficiently manufacture conjugated diene such as butadiene or the like by controlling reaction conditions when degassing and separating a solvent with high yield. COPYRIGHT KIPO 2016 ...

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08-03-2017 дата публикации

부타디엔 제조방법

Номер: KR0101709412B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 부타디엔 제조방법에 관한 것으로, 보다 상세하게는 부텐과 산소를 금속 복합산화물 촉매가 내장된 반응기에 투입하고 산화 탈수소화 반응시켜 부타디엔을 제조하는 방법에 있어서, 상기 부텐과 산소의 몰비가 1.8 내지 2.2인 것을 특징으로 하는 부타디엔 제조방법에 관한 것이다. 본 발명에 따르면, 산화 탈수소화 반응에도 촉매의 강도가 유지되어 장시간 운전 안정성이 확보되고, 또한 부반응이 적어 선택도가 저하되지 않는 부타디엔 제조방법을 제공하는 효과가 있다.

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17-10-2019 дата публикации

METHOD FOR PRODUCING METAL COMPLEX CATALYST, AND METAL COMPLEX CATALYST PRODUCED BY SAME

Номер: WO2019199042A1
Принадлежит:

The present specification pertains to a method for producing a metal complex catalyst, and a metal complex catalyst produced by the method, the method comprising the steps of: (A) obtaining a precipitate by contacting a metal precursor solution, which contains a zinc (Zn) precursor, a ferrite (Fe) precursor, and water, with a basic aqueous solution; (B) obtaining a zinc ferrite catalyst by filtering and calcining the precipitate; and (C) impregnating the zinc ferrite catalyst with an acid.

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13-06-2016 дата публикации

MULTI-COMPONENT COMPLEX METAL OXIDE CATALYST, PREPARATION METHOD THEREOF AND METHOD FOR PREPARING 1,3-BUTADIENE USING SAME

Номер: KR1020160066922A
Принадлежит:

The present invention relates to a bismuth-molybdenum complex metal oxide catalyst, a preparation method thereof, and a method for preparing 1,3-butadiene using the same. More particularly, the bismuth-molybdenum complex metal oxide catalyst has high uniformity in the composition ratio of each metal component constituting the catalyst, and has excellent pore characteristics and surface area characteristics, thereby exhibiting excellent catalytic activity. The bismuth-molybdenum complex metal oxide catalyst and the preparation method thereof can be easily used for a catalyst process industry and, particularly to an oxidative dehydrogenation reaction process industry requiring the above-mentioned properties. The bismuth-molybdenum complex metal oxide catalyst comprises bismuth-molybdenum complex metal oxide represented by a formula of Mo_aBi_bC_cD_dE_eO_y, and has surface area of 20 to 60 m^2/g, pore volume of 0.01 to 0.2 cm^3/g, and an average pore diameter of 1.5 to 4 nm. COPYRIGHT KIPO ...

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28-05-2015 дата публикации

CATALYST COMPOSITION AND PREPARING METHOD THEREOF

Номер: KR1020150058012A
Принадлежит:

The present invention relates to a catalyst composition for an oxidative dehydrogenation reaction, and a preparing method thereof. More specifically, the present invention relates to a catalyst composition comprising a multi-component metal oxide catalyst and a mixed metal hydroxide. According to the present invention, the catalyst composition and the preparing method thereof exhibit effects of: having an excellent mechanical durability to prevent loss occurring in the course of filling and prevent abrasion due to long-term use, etc., inhibiting polymer formation and carbon deposition during the reaction, and exhibiting excellent conversion rate and selectivity. COPYRIGHT KIPO 2015 ...

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29-09-2016 дата публикации

METHOD AND APPARATUS FOR PREPARING CONJUGATED DIENE

Номер: WO2016153139A1
Принадлежит:

The present invention relates to a method and apparatus for preparing a conjugated diene. The present invention provides a method for preparing a conjugated diene and a preparing apparatus used therefor, wherein steam can be utilized that is converted from the lower discharge water, which is discharged after a generation gas containing butadiene is cooled, through byproduct removal and steam extraction without being directly subjected to wastewater disposal; and the existing burden of facilities for biological wastewater due to an excessive content of byproducts can be solved.

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12-07-2017 дата публикации

촉매 조성물 및 이의 제조방법

Номер: KR0101757028B1
Принадлежит: 주식회사 엘지화학

... 본 기재는 산화 탈수소화 반응용 촉매 조성물 및 이의 제조방법에 관한 것으로, 보다 상세하게는 다성분계 금속 산화물 촉매 및 혼합금속 수산화물을 포함하는 촉매 조성물에 관한 것이다. 본 기재에 따르면, 기계적 내구성이 우수하여 충진 과정에서 발생하는 소실과 장기간 사용에 따른 마모 등이 방지되고, 반응 중 고분자 형성 및 탄소침적이 억제되며, 전환율 및 선택도가 우수한 촉매 조성물 및 이의 제조방법 등을 제공하는 효과가 있습니다.

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19-06-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION AND PREPARATION METHOD OF SAME

Номер: KR1020170068351A
Принадлежит:

The present invention relates to a catalyst for oxidative dehydrogenation and a preparation method of the same, and more specifically, to a catalyst for oxidative dehydrogenation, comprising a porous aluminum silicate support and a metal oxide having a composition represented by chemical formula 1, AB_2O_4; and to a preparation method of the same. In the chemical formula 1, A is one or more selected from the group consisting of divalent cation metals, and B is one or more selected from the group consisting of trivalent cation metals. According to the present invention, high-temperature and high-pressure reaction conditions and the generation of heat due to side reaction can be conveniently controlled by means of a porous structure. Thus, a catalyst for oxidative dehydrogenation having excellent product selectivity can be provided. COPYRIGHT KIPO 2017 (AA) Porous rubber (BB) Porous aluminum silicate support (CC) Catalyst for oxidative dehydrogenation ...

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21-06-2016 дата публикации

METAL COMPLEX OXIDE CATALYST FOR PREPARING BUTADIENE AND METHOD FOR PREPARING SAME

Номер: KR1020160071216A
Принадлежит:

The present invention relates to a metal complex oxide catalyst for preparing butadiene and a method for preparing the same, and more particularly, to a metal complex oxide catalyst for preparing butadiene including a metal complex oxide, a binder, and silica gel, and a method for preparing the same. According to the present invention, there is an effect of providing a metal complex oxide catalyst for preparing butadiene, and a method for preparing the same, wherein the metal complex oxide catalyst for preparing butadiene is economically prepared by using a catalyst precursor which does not absorb moisture when being left for a long time at room temperature, thereby having less deformation and improved stability during a process of preparing a commercial catalyst. COPYRIGHT KIPO 2016 (AA) Moisture absorption rate (%) (BB) Starting point (CC) 30 minutes (DD) 60 minutes (EE) 120 minutes (FF) 150 minutes (GG) 180 minutes (HH) 210 minutes (II) 24 hours ...

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31-05-2016 дата публикации

MULTI-COMPONENT COMPOSITE METAL OXIDE CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING 1,3-BUTADIENE USING SAME

Номер: KR1020160061144A
Принадлежит:

The present invention relates to a multi-component bismuth-molybdenum composite metal oxide catalyst, a method for producing the same, and a method for producing 1,3-butadiene by using the same. The multi-component bismuth-molybdenum composite metal oxide catalyst is derived from a composition comprising amorphous composite metal oxide and crystalline composite metal oxide, and exhibits an excellent catalyst activity and excellent mechanical strength, thereby having excellent lifespan properties. The multi-component bismuth-molybdenum composite metal oxide catalyst may have the improved degree of crystallization and thereby have improved mechanical strength. A high catalyst activity is exhibited in a catalyst reaction process using the same, specifically, in an oxidative-dehydrogenation process for producing 1,3-butadiene. Accordingly, excellent crush resistance and wear resistance may be ensured. COPYRIGHT KIPO 2016 (AA) Experimental example 3 (BB) Experimental example 6 (CC) Experimental ...

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03-08-2018 дата публикации

FERRITE CATALYST FOR OXIDATIVE DEHYDROGENATION, METHOD OF PREPARING SAME, AND METHOD OF PRODUCING BUTADIENE USING SAME

Номер: KR1020180088273A
Принадлежит:

The present invention relates to a ferrite catalyst for oxidative dehydrogenation and a method of preparing the same. More specifically, the present invention relates to a method of preparing the ferrite catalyst for oxidative dehydrogenation, the method comprising: a step (a) of dissolving a trivalent cationic iron (Fe) precursor and a divalent cation metal (A) precursor in an alcohol solvent to prepare a precursor solution; a step (b) of mixing the precursor solution with an epoxide-based compound to obtain a gel; a step (c) of aging the obtained gel to prepare an aged gel; a step (d) of drying the aged gel to obtain a synthesized material; and a step (e) of firing the synthesized material. The firing step (e) includes: a first firing step of firing the synthesized material at the temperature of 70 to 200°C; and a second firing step of increasing the temperature from a temperature range of higher than 200 to 250°C to a temperature range of 600 to 900°C to fire the synthesized material ...

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12-10-2017 дата публикации

공액디엔의 제조방법 및 제조장치

Номер: KR0101785146B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 공액디엔의 제조방법 및 제조장치에 관한 것으로, 본 발명에 따르면 부타디엔을 포함하는 생성가스를 냉각시킨 다음 배출된 하부 배출수를 그대로 폐수처리하지 않고 부산물 제거 및 스팀 추출을 거쳐 전환된 스팀을 활용할 뿐 아니라 과도한 부산물 함량에 의한 기존 생물학적 폐수의 설비부담 문제를 해소할 수 있는 공액디엔의 제조방법 및 이에 사용되는 제조장치를 제공하는 효과가 있다.

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07-11-2019 дата публикации

METHOD FOR MANUFACTURING PULLEY FOR AUTOMOBILE COMPRESSOR BY USING COMPOUND FORGING AND PULLEY MANUFACTURED THEREBY

Номер: WO2019212088A1
Принадлежит:

The present invention relates to a method for manufacturing a pulley for an automobile compressor by using compound forging, and a pulley manufactured thereby. The method comprises: a first forging process (S10) based on free forging; a second forging process (S20) based on hot forging; a third forging process (S30) based on cold forging; a piercing process (S40); and a precise cutting process (S50). In the second forging process (S20), the rear inner peripheral surface of an outer die (102) and the front outer peripheral surface of a punch (103) are indented in shapes corresponding to those of an inner rim (131) and a preliminary outer rim (132a), respectively, and a material is sealed/extruded rearward through hot forging, thereby forming the inner rim (131) and the preliminary outer rim (132a). In the third forging process (S30), the front inner peripheral surface of the outer die (102) is indented in a shape corresponding to that of an outer rim (132), and the preliminary outer rim ...

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02-01-2020 дата публикации

METHOD FOR MANUFACTURING PULLEY FOR VEHICLE COMPRESSOR

Номер: WO2020004681A1
Принадлежит:

The present invention enables a pulley to be obtained by making, using a small amount of material, a tangible shape close to pulley design dimensions, and through a post-processing process, processing the tangible shape quickly and precisely while reducing the amount of processing, and thus enables overall manufacturing costs to be drastically reduced and ease of processing to be provided, and enables a durable pulley having a dense structure and excellent tractive force to be provided. The present invention comprises: a preparation step for carrying out an annealing treatment and a lubricating treatment on a disk-shaped material so that same may be cold-formed; a primary cold-forging step for making the prepared disk-shaped material into a tangible pulley shape through cold-forging; a secondary cold-forging step for making the tangible shape completed through the primary cold-forging step into a shape which is closer to pulley design dimensions through cold-forging; and a post-processing ...

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15-12-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION AND PREPARATION METHOD THEREOF

Номер: KR1020170138124A
Принадлежит:

The present invention relates to a catalyst for oxidative dehydrogenation and a preparation method thereof. According to the present invention, metal oxide nanoparticles are manufactured and immobilized on a support so a catalyst for oxidative dehydrogenation has a high butene conversion rate, excellent side reaction inhibitory effects and excellent reactivity and selectivity with respect to products. To this end, the catalyst for oxidative dehydrogenation is represented by chemical formula 1: AB_2O_4 and has the average diameter of 0.1 to 50 nm. COPYRIGHT KIPO 2018 ...

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30-03-2017 дата публикации

부타디엔 제조장치

Номер: KR0101721737B1
Принадлежит: 주식회사 엘지화학

... 본 기재는 부타디엔 제조장치에 관한 것으로, 보다 상세하게는 반응기, 냉각탑, 흡수탑 및 분리탑을 포함하는 부타디엔 제조장치에 있어서, 상기 냉각탑은 상기 반응기에서 생성된 부타디엔 생성가스와, 별도의 냉각수가 각각 투입되어 향류 흐름을 갖고, 사용된 냉각수는 냉각탑 밖으로 배출되어, 오존가스 흐름을 갖는 워터탱크(water tank)를 거친 다음, 냉각탑으로 순환되는 것을 특징으로 하는 부타디엔 제조장치에 관한 것이다. 본 기재에 따르면, 냉각수에 축적되는 고비점 물질(heavies)을 효과적으로 제거하여 냉각수의 사용을 최소화하고, 이에 따라 냉각수의 운전비용 및 폐수 처리비용을 크게 저감시키는 부타디엔 제조장치를 제공하는 효과가 있다.

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15-06-2016 дата публикации

APPARATUS OF PRODUCING BUTADIENE

Номер: KR1020160068378A
Принадлежит:

The present disclosure relates to an apparatus of producing butadiene, and more particularly, to an apparatus of producing butadiene characterized by including a reactor, a cooling tower, an absorption tower, and a separation column, wherein each of a butadiene gas produced in the reactor and separate cooling water is input to the cooling column and has a countercurrent flow and the used cooling water is discharged outside to pass through a water tank having an ozone gas stream, and then circulates the cooling tower. The present disclosure has an effect of providing an apparatus of producing butadiene minimizing use of cooling water by effectively removing heavies accumulated in cooling water, accordingly greatly reducing running costs and waste water treatment costs of the cooling water. COPYRIGHT KIPO 2016 ...

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22-08-2019 дата публикации

CATALYST LOADING METHOD AND METHOD FOR PREPARATION OF BUTADIENE BY USING SAME

Номер: WO2019160259A1
Принадлежит:

The present specification pertains to a catalyst loading method comprising the steps of: (A) mixing a ferrite-based catalyst molded product and diluent material particles; and (B) loading the catalyst molded product mixed with diluent material particles into a catalyst reactor, and a method for preparation of butadiene by using same.

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27-02-2017 дата публикации

다성분계 복합금속산화물 촉매의 제조방법

Номер: KR0101706851B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 1차 공침 및 2차 공침하는 단계를 포함하는 다성분계 비스무스-몰리브덴 복합금속산화물 촉매의 제조방법, 이로부터 제조된 다성분계 비스무스-몰리브덴 복합금속산화물 촉매에 관한 것이다. 이에 따른, 상기 제조방법은 상기 촉매를 구성하는 금속 성분을 1차 및 2차 공침으로 2단계 나누어 공침시킴으로써 종래의 4성분계 비스무스-몰리브덴 촉매와 거의 동일한 구조를 가질 수 있어 촉매 구조 변형에 의한 촉매 활성 저하가 억제될 수 있으며, 반응 중에 소모되는 격자산소의 수를 조절할 수 있어 촉매 활성을 높여 상기 촉매를 이용한 촉매 반응 공정, 특히 상대적으로 저온조건에서의 촉매 반응 공정에서 부산물의 생성은 줄이고 반응물의 전환율 및 목적 생성물의 수율은 향상되는 효과가 있다.

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21-09-2017 дата публикации

METHOD FOR PREPARING CATALYST FOR OXIDATIVE DEHYDROGENATION

Номер: WO2017160071A1
Принадлежит:

The present invention relates to a method for preparing a catalyst for oxidative dehydrogenation. According to the present invention, the pH of a coprecipitation solution is maintained at a constant level using a dual drip-type settling technique to control the content of alpha-iron oxide in the catalyst, thereby producing the advantage of providing the method for preparing the catalyst for oxidative dehydrogenation having excellent conjugated diene selectivity and yield.

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31-12-2018 дата публикации

산화적 탈수소화 반응용 촉매 및 제조방법

Номер: KR0101933480B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 산화적 탈수소화 반응용 촉매 및 제조방법에 관한 것으로, 본 발명에 따르면 산화적 탈수소화 반응용 촉매를 1회 단위 생산량을 늘리면서 산화적 탈수소화 반응성 또한 확보할 수 있는 촉매 및 제조방법을 제공하는 효과가 있다.

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28-09-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, AND PREPARATION METHOD THEREFOR

Номер: WO2017164542A1
Принадлежит:

The present invention relates to a method for preparing a catalyst for an oxidative dehydrogenation reaction, comprising: a first step of preparing an iron-metal precursor aqueous solution by dissolving a trivalent cation iron (Fe) precursor and a divalent cation metal (A) precursor in distilled water; (b) a second step of obtaining an iron-metal oxide slurry by reacting the iron-metal precursor aqueous solution with ammonia water in a coprecipitation tank so as to form an iron-metal oxide, and then filtering the same; and a third step of heating the iron-metal oxide slurry. The present invention provides a method for economically preparing, by means of a simple process, a catalyst having a high amount of spinel structure during the preparation of a metal oxide catalyst as a catalyst for an oxidative dehydrogenation reaction.

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21-12-2015 дата публикации

METHOD FOR MANUFACTURING MULTI-COMPONENT COMPOSITE METAL OXIDE CATALYST

Номер: KR1020150141879A
Принадлежит:

The present invention relates to a method for manufacturing a multi-component bismuth-molybdenum composite metal oxide catalyst comprising the steps of primary coprecipitation and secondary coprecipitation, and the multi-component bismuth-molybdenum composite metal oxide catalyst manufactured by the method. The manufacturing method in accordance with the present invention: inhibits a decrease in catalyst activity due to structure modification of the catalyst as having a structure almost same as a structure of a quaternary bismuth-molybdenum catalyst by coprecipitating a metal component, which composes the catalyst, through two steps of the primary coprecipitation and secondary coprecipitation; and reduces production of by-products and increases conversion factor of a reactant and yield of a target product in a catalyst reaction process using the catalyst, especially in the catalyst reaction process under the relatively low temperatures, as adjusting the number of lattice oxygen consumed ...

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13-07-2016 дата публикации

MANUFACTURING METHOD OF CONJUGATED DIENE

Номер: KR1020160084043A
Принадлежит:

The present invention relates to a manufacturing method of conjugated diene. According to the present invention, a manufacturing method of conjugated diene such as butadiene, or the like, through a contact oxidative dehydrogenation reaction of mono-olefin such as n-butene, or the like can effectively remove byproducts such as acrolein, butenone, benzaldehyde, and the like, during a dehydration process after a cooling process without using a desiccant. The manufacturing method comprises the following steps of: a) manufacturing a product gas including butadiene by oxidative dehydrogenation of a raw gas including n-butene; b) cooling the product gas, and manufacturing an organic solution by making the product gas absorb to an organic solvent; and c) obtaining crude butadiene by degassing and stripping the organic solution. COPYRIGHT KIPO 2016 ...

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12-11-2018 дата публикации

공액디엔의 제조 방법

Номер: KR0101917910B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 공액디엔의 제조 방법에 관한 것으로, 본 발명에 따르면 n-부텐 등의 모노올레핀의 접촉 산화 탈수소 반응에 의해 부타디엔 등의 공액디엔을 제조하는 방법에 있어서, 냉각 공정 이후 탈수 공정에서 건조제 미사용 하에 아크롤레인, 부테논, 및 벤즈알데히드 등의 부생물을 효과적으로 제거할 수 있는 공액디엔의 제조방법을 제공하는 효과가 있다.

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23-06-2015 дата публикации

METHOD FOR TREATING WASTEWATER OF BUTENE-TO-BUTADIENE PROCESS AND WASTEWATER TREATMENT APPARATUS USING SAME

Номер: KR1020150069148A
Принадлежит:

The present invention relates to a method for treating wastewater of a butene-to-butadiene process by injecting a Fenton reagent to wastewater in a lower part of a quencher of the butene-to-butadiene process, and to a wastewater treatment apparatus using the same. COPYRIGHT KIPO 2015 ...

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16-01-2019 дата публикации

산화적 탈수소화 반응용 촉매의 제조방법 및 이를 이용한 부타디엔 제조방법

Номер: KR1020190005521A
Принадлежит:

... 본 발명은 산화적 탈수소화 반응용 촉매의 제조방법 및 이를 이용한 부타다엔의 제조방법에 관한 것으로, 보다 상세하게는 산화적 탈수소화 반응용 촉매 제조 시 소성온도를 조절하여 촉매의 결정 크기를 특정 범위 내로 제어함으로써, 넓은 반응 온도 범위에서 활성이 우수한 촉매를 제공할 수 있는 산화적 탈수소화 반응용 촉매의 제조방법 및 이를 이용한 부타디엔의 제조방법에 관한 것이다.

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06-07-2018 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION OF BUTANE, PREPARATION METHOD THEREOF, AND METHOD OF PRODUCING BUTADIEN USING SAME

Номер: KR1020180076835A
Принадлежит:

The present disclosure relates to a catalyst for oxidative dehydrogenation reaction of butane, a preparation method thereof, and a method of producing butadiene using the same, and more specifically, to a reaction catalyst used in oxidative dehydrogenation reaction of butane, as a metal oxide represented by chemical formula 1, A_xZn_(1-x)Fe_2O_4, a preparation method of the catalyst, and a method of producing butadiene using the catalyst. In chemical formula 1, A is one or more selected from the group consisting of Cu, Ra, Ba, Sr, Ca, Be, Fe(II), Mg, Mn, Co, Ni, Al, Cr, Si, V, Ga, In, La and Ce, and x satisfies 0 <= x < 1. Accordingly, the present disclosure has effects of providing a catalyst for oxidative dehydrogenation reaction of butane, the catalyst which has uniform particle size distribution while including metals other than iron and zinc metal, has a high reactivity at low temperatures compared to the prior art, and obtains effects such as high yield of butadiene, lifetime extension ...

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09-05-2018 дата публикации

METHOD FOR PREPARING BUTADIENE HAVING EXCELLENT REPRODUCIBILITY AS CATALYST

Номер: KR1020180046648A
Принадлежит:

The present invention relates to a method for preparing butadiene having excellent reproducibility as a catalyst. More specifically, the method for preparing butadiene having excellent reproducibility as a catalyst includes: a reaction step of inputting a reaction product including butene, oxygen, nitrogen, and stream as configuration components to a reactor filled with a metal oxide catalyst and executing an oxidative dehydrogenation reaction at a reaction temperature of 300-450°C; a primary cooling step of maintaining the supply of the reaction product within the range of flow rate change ratio of each configuration component being less than ±40% after the reaction step or only stopping the supply of butene in the reaction product to cool the reactor down to the range of 70-200°C; and a secondary cooling step of stopping the supply of the reaction product after the primary cooling step or stopping the supply of the butene in the reaction product in the minimum amount before cooling the ...

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28-09-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, AND PREPARATION METHOD THEREFOR

Номер: WO2017164492A1
Принадлежит:

The present invention relates to a catalyst for an oxidative dehydrogenation reaction, and a preparation method therefor. The present invention has an effect of providing: a catalyst capable of securing oxidative dehydrogenation reactivity while increasing the unit production amount of a catalyst for an oxidative dehydrogenation reaction; and a preparation method therefor.

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22-10-2018 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION, PREPARATION METHOD THEREOF, AND OXIDATIVE DEHYDROGENATION METHOD USING CATALYST

Номер: KR1020180115227A
Принадлежит:

The present invention relates to a catalyst for an oxidative dehydrogenation reaction, a preparation method thereof, and an oxidative dehydrogenation method using the catalyst. More specifically, a porous support is coated with metal oxide (AB_2O_4) active in the oxidative dehydrogenation reaction to satisfy formula 1, X wt% + Y wt% = 100 wt%, thereby enhancing durability of the catalyst and facilitating the filling. Ultimately, it is possible to greatly improve conversion rates of butane, and selectivity and yield of butadiene during the oxidative dehydrogenation reaction of the butane. In formula 1, X is a content value of AB_2O_4, in the range of at least 5 or more to less than 30; A is at least one element selected from a group consisting of copper (Cu), radium (Ra), barium (Ba), strontium (Sr), calcium (Ca), beryllium (Be), zinc (Zn), magnesium (Mg), manganese (Mn), and cobalt (Co); B is iron (Fe); and Y is a content value of the porous support in the range of greater than 70 to 95 ...

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14-06-2016 дата публикации

MANUFACTURING METHOD OF CONJUGATED DIENE

Номер: KR1020160067425A
Принадлежит:

The present invention relates to a manufacturing method of conjugated diene. More particularly, the manufacturing method of conjugated diene manufactures conjugated diene such as butadiene or the like by contact oxidation dehydrogenation reaction of monoolefin such as n-butene or the like. Also, the manufacturing method does not increase the amount of generated wastewater by distilling an effluent discharged by cooling, and can effectively remove hardened byproducts during a cooling step. COPYRIGHT KIPO 2016 ...

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15-06-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION AND METHOD FOR PRODUCING SAME

Номер: WO2017099411A1
Принадлежит:

The present invention relates to a catalyst for an oxidative dehydrogenation reaction and a method for producing the same. The present invention has effects of providing a catalyst for an oxidative dehydrogenation reaction and a method for producing the catalyst, wherein the catalyst has excellent selectivity to a product by easily controlling the heat, which is generated by high-temperature and high-pressure reaction conditions and a side effect, through a porous structure.

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09-01-2020 дата публикации

SYSTEM FOR ADHERING FRICTION MATERIAL OF AUTOMOBILE COMPRESSOR PULLEY

Номер: WO2020009266A1
Автор: HAN, Joon Kyu
Принадлежит:

The present invention relates to a system for adhering a friction material of an automobile compressor pulley and, more particularly, to a system for adhering a friction material in which an automobile compressor pulley with a friction material pre-attached thereto is supplied from a main conveyor to completely adhere the friction material to an adhesive coating surface, the system comprising: a first loading unit going up and down to/from the upper side of a transfer plate of the main conveyor to/from a second loading unit; the second loading unit going back and forth to/from the upper side of the first loading unit to/from an entrance of a heating unit; the heating unit which provides an entrance at one side of the second loading unit and an exit at one side of a first unloading unit, and completely adheres the pre-attached friction material due to the dead weight of the pulley and heat; the first unloading unit going back and forth to/from an exit of the heating unit to/from the upper ...

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08-11-2018 дата публикации

METHOD FOR PREPARING CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION AND OXIDATIVE DEHYDROGENATION METHOD USING SAME CATALYST

Номер: WO2018203615A9
Принадлежит:

The present invention relates to a method for preparing a catalyst for an oxidative dehydrogenation reaction and an oxidative dehydrogenation process using the same. More specifically, the present invention includes a process of supplying an inert gas or air at specific time when preparing a catalyst for an oxidative dehydrogenation reaction by co-precipitation, thereby reducing an inactive α-Fe2O3 crystal structure and improving the activity of the catalyst, and furthermore, the present invention applies the same to an oxidative dehydrogenation reaction of butene so as to suppress side reactions and improve the selectivity of butadiene, thereby providing a high productivity of butadiene.

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14-12-2017 дата публикации

공액디엔의 제조 방법

Номер: KR0101809319B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 공액디엔의 제조 방법에 관한 것으로, 본 발명에 따르면 n-부텐 등의 모노올레핀의 접촉 산화 탈수소 반응에 의해 부타디엔 등의 공액디엔을 제조하는 방법에 있어서, 흡수용매 종류 및 반응조건 제어에 의해 부타디엔을 최대한 흡수시킴으로써 발생하는 흡수탑정 배기가스를 상기 산화 탈수소화 반응으로 순환시킬 수 있어 부타디엔 등의 공액디엔을 고 효율로 제조할 수 있는 방법에 관한 것이다.

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12-10-2017 дата публикации

METHOD FOR PREPARING ZINC FERRITE CATALYST

Номер: KR1020170111478A
Принадлежит:

The present disclosure relates to a method for preparing a zinc ferrite catalyst and, more specifically, to a method for preparing a zinc ferrite catalyst, comprising the following steps: (a) dissolving a zinc precursor and an iron (III) precursor in water to prepare a metallic precursor aqueous solution; (b) evaporating the water from the metallic precursor aqueous solution while extracting a catalyst precursor in a solid phase; and (c) baking the extracted catalyst precursor of a solid phase to prepare a zinc ferrite catalyst. As the invention according to the present disclosure can prepare zinc ferrite without going through a step for adjusting pH, the invention has the effects of simplifying preparation processes and securing reproducibility. COPYRIGHT KIPO 2017 ...

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21-05-2015 дата публикации

BISMUTH MOLYBDATE-BASED CATALYST HAVING ZEOLITE COATING LAYER, METHOD FOR PRODUCING SAME, AND METHOD FOR PREPARING 1,3-BUTADIENE USING SAME

Номер: WO2015072820A1
Принадлежит:

The present invention relates to a bismuth molybdate-based composite oxide catalyst having high selectivity to 1,3-butadiene and comprising a microporous zeolite coating layer formed on a surface thereof, a method for producing the same, and a method for preparing 1,3-butadiene using the same. The catalyst has the zeolite coating layer with micropores, thereby selectively passing only a gas product (light) containing 1,3-butadiene, as a target product, thus improving the selectivity to 1,3-butadiene.

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28-06-2018 дата публикации

SHAFT ANGLE ADJUSTMENT DEVICE FOR GOLF PUTTERS

Номер: KR101858144B1

The present invention relates to a technology for adjusting a shaft angle of a golf putter and maintaining the adjusted angle even with shock application due to putting. In particular, the present invention relates to a technology to prevent pushing by shock from the putting at an adjusted angle while precise adjustment of the angle is possible when adjusting the angle of a shaft. According to the present invention, the weight of a have part can be easily corrected by adjusting the head part size of a shaft angle fixing bolt which fixes respective constituent modules so that a lie angle and a loft angle are set at the same time. COPYRIGHT KIPO 2018 ...

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06-09-2019 дата публикации

METHOD FOR PREPARING 1,3-BUTADIENE

Номер: WO2019168276A1
Принадлежит:

The present specification relates to a method for preparing 1,3-butadiene, comprising the steps of: (A) obtaining, from a reactant comprising butene, a first product comprising a light component, 1,3-butadiene and a heavy component; (B) performing heat exchange on the first product, and then condensing the heavy component, thereby separating same from a second product comprising the 1,3-butadiene and the light component; and (C) reheating the condensed heavy component so as to separate out a concentrated heavy component.

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14-03-2017 дата публикации

다성분계 복합금속산화물 촉매, 이의 제조방법 및 이를 이용한 1,3-부타디엔의 제조방법

Номер: KR0101716552B1
Принадлежит: 주식회사 엘지화학

... 본 발명은 촉매를 구성하는 각 금속성분의 조성비율의 균일성이 높고 우수한 기공 특성 및 표면적 특성을 가짐으로써 결과적으로 우수한 촉매 활성을 나타낼 수 있는 비스무스-몰리브덴 복합금속산화물 촉매, 이의 제조방법 및 이를 이용한 1,3-부타디엔의 제조방법에 관한 것이다. 이에 따른 상기 비스무스-몰리브덴 복합금속산화물 촉매 및 이의 제조방법은 이를 필요로 하는 촉매 공정 산업, 특히 산화적-탈수소화 반응 공정 산업에 용이하게 적용할 수 있다.

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26-10-2017 дата публикации

CATALYST FOR SURFACE COATING OF MICROPOROUS MATERIAL AND METHOD FOR SURFACE TREATMENT OF MICROPOROUS MATERIAL

Номер: WO2017183829A3
Принадлежит:

The present invention relates to a catalyst for surface coating of a microporous material and a method for surface treatment of a microporous material. When used in a butadiene synthesis reaction under the condition of a high gas space velocity and a high pressure, the catalyst for surface coating of a microporous material and the method for surface treatment of a microporous material according to the present invention can readily control heat generation and effectively relieve a pressure difference, with the consequent improvement of conversion rate of reactants and selectivity for products.

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07-08-2017 дата публикации

금속 복합산화물 촉매 및 이의 제조방법

Номер: KR0101765992B1
Принадлежит: 주식회사 엘지화학

... 본 기재는 금속 복합산화물 촉매 및 이의 제조방법에 관한 것으로, 보다 상세하게는 금속 복합산화물 전구체와 금속 복합산화물 촉매 미분이 혼합되어 제조됨을 특징으로 하는 금속 복합산화물 촉매 및 이의 제조방법에 관한 것이다. 본 기재에 따르면, 촉매활성의 저하 없이 촉매생산비용이 절감되고, 촉매강도가 증가하여 촉매의 물리적인 안정성(stability)이 크게 향상된 금속 복합산화물 촉매 및 이의 제조방법을 제공하는 효과가 있다.

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12-10-2017 дата публикации

CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION AND METHOD FOR PREPARING SAME

Номер: KR1020170111236A
Принадлежит:

The present invention relates to a catalyst for oxidative dehydrogenation reaction and a method for preparing the same, which increase a single-unit production amount of a catalyst for oxidative dehydrogenation reaction and simultaneously, secure oxidative dehydrogenation reaction. To achieve the purpose, the method for preparing a catalyst for oxidative dehydrogenation reaction comprises: a step of forming a mixed solution having a concentration of greater than 16.5 wt% and less than 53.5 wt% by mixing a trivalent cation Fe precursor and a divalent cation metal(A) precursor; a step of obtaining a coprecipitation solution in which AFe_2O_4 and Fe_2O_3 coexist by dropping the mixed solution together with a basic aqueous solution to a coprecipitation bath in which distilled water having the temperature of greater than 0°C and less than 40°C is prepared, and a pH level is controlled into greater than pH 6 to less than pH 10 at a drop speed of greater than 2 g/min to less than 32 g/min; and ...

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24-06-2016 дата публикации

PREPARATION METHOD OF BUTADIENE

Номер: KR1020160073300A
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The present invention relates to a preparation method of butadiene and, more particularly, to a preparation method of butadiene by injecting butene and oxygen to a reactor containing a metal complex oxide catalyst inside and conducting oxidation dehydrogenation. The molar ratio of butene and oxygen is 1.8 to 2.2. According to the present invention, catalytic strength is maintained during the oxidation dehydrogenation and the long-term operational stability is secured. Also, the preparation method of butadiene has little amount of side reactions, thereby preventing degradation of selectivity. COPYRIGHT KIPO 2016 ...

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08-11-2018 дата публикации

METHOD FOR PREPARING CATALYST FOR OXIDATIVE DEHYDROGENATION REACTION AND OXIDATIVE DEHYDROGENATION METHOD USING SAME CATALYST

Номер: WO2018203615A1
Принадлежит:

The present invention relates to a method for preparing a catalyst for an oxidative dehydrogenation reaction and an oxidative dehydrogenation process using the same. More specifically, the present invention includes a process of supplying an inert gas or air at specific time when preparing a catalyst for an oxidative dehydrogenation reaction by co-precipitation, thereby reducing an inactive α-Fe2O3 crystal structure and improving the activity of the catalyst, and furthermore, the present invention applies the same to an oxidative dehydrogenation reaction of butene so as to suppress side reactions and improve the selectivity of butadiene, thereby providing a high productivity of butadiene.

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