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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 22. Отображено 22.
30-03-2018 дата публикации

Micro -reactor

Номер: CN0207153676U
Автор: DING QUANYOU, FENG BAICHENG, LI PENGFEI, YANG QIAN, ZHANG LAN, MENG FANGUO, HUANG ZHEN, YANG ZHIHUA
Принадлежит: SHANDONG HIMILE CHEM TECH CO LTD, SHANDONG HIMILE CHEMICAL TECHNOLOGY CO., LTD.

The utility model provides a micro -reactor. This micro -reactor includes the powder size of heat transfer system and multiple modules ization, and powder size includes heat transfer unit and react unit, and powder size is last to be provided with a plurality of interfaces, powder size still including run through heat transfer unit and react unit and with heat transfer unit and isolated isolationpassageway (11) of react unit, the interface includes the heat transfer interface and reacts the interface that the both ends of isolation passageway (11) are connected with the reaction interface respectively, can free multiple modules 0 between powder size's the reaction interface. The utility model discloses a micro -reactor, simple structure, the commonality is good, has higher suitability.

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Номер записи: 1
06-06-2023 дата публикации

Liquorice incense stick and preparation method thereof

Номер: CN116212081A
Автор: DING QUANYOU, ZHANG WENXIN, JIANG NAI, SUN XIAOJIE, WANG TIANTIAN, LIANG MENGJIAO
Принадлежит:

The invention relates to the field of incense preparation, in particular to a liquorice joss stick and a preparation method thereof.The preparation method comprises the following steps that 1, liquorice, ambergris and elm bark are dried in the sun and then ground into powder, liquorice powder, ambergris powder and elm sticky powder are obtained, the liquorice powder, the ambergris powder and the elm sticky powder are mixed to obtain mixed spice, and the mixed spice is used for standby application; mixing the mixed spice with water according to a certain mass ratio, uniformly stirring, and standing to obtain incense stick mud; (2) wrapping the incense stick paste in the step (1) with a preservative film, and standing for a period of time; (3) pouring the incense stick paste obtained in the step (2) into an electric incense making machine, and performing compression molding to obtain molded incense sticks; and (4) removing the mold from the formed incense stick in the step (3), neatly and ...

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Номер записи: 2
13-06-2023 дата публикации

Method for preparing 4-nitro-1-naphthol by dynamic tubular reactor

Номер: CN116253644A
Автор: DING QUANYOU, ZHANG QIDI, LU XUE, LI YUYU, SU HONGQIANG
Принадлежит:

The invention discloses a method for preparing 4-nitro-1-naphthol by using a dynamic tubular reactor, and relates to the field of preparation of organic matters by using a continuous flow method, 1-naphthol is used as a raw material, an organic solvent is used for dissolving the raw material, and nitration reaction is performed in the dynamic tubular reactor to obtain the 4-nitro-1-naphthol. The feeding is continuous, and meanwhile, the continuous reaction can be realized, so that the material is produced without intermittence. The heat transfer and mass transfer efficiency is high, the temperature is accurately controlled, the explosion possibility of the nitration reaction is reduced, and meanwhile no by-product is generated in the nitration reaction. The dynamic tubular reactor has powerful mechanical stirring, so that solids are not easy to deposit and block, reactants are uniformly mixed, and the effect of full reaction is achieved.

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Номер записи: 3
09-05-2023 дата публикации

Method for preparing beta-naphthyl methyl ether by dynamic tubular reactor

Номер: CN116082125A
Автор: DING QUANYOU, LU XUE, ZHANG QIDI, SU HONGQIANG, LI YUYU
Принадлежит:

The invention discloses a method for preparing beta-naphthyl methyl ether by using a dynamic tubular reactor, and relates to the field of preparation of organic matters by using a continuous flow method, 2-naphthol and methanol are used as raw materials, a catalyst and the raw materials are added into the dynamic tubular reactor for reaction to obtain a beta-naphthyl methyl ether crude product, and then the beta-naphthyl methyl ether crude product is extracted to obtain the beta-naphthyl methyl ether. The dynamic tubular reactor belongs to a plug flow reactor, and compared with a tank reactor, the dynamic tubular reactor is small in backmixing; the mass transfer efficiency is high, automatic control is accurate, the amplification effect is small, pilot test links are reduced, and the process research and development period can be shortened.

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Номер записи: 4
02-06-2023 дата публикации

Fructus momordicae backflow tower incense and preparation method thereof

Номер: CN116196456A
Автор: DING QUANYOU, SUN XIAOJIE, WANG TIANTIAN, ZHANG WENXIN, JIANG NAI, LIANG MENGJIAO
Принадлежит:

The invention relates to the technical field of tower incense, and discloses fructus momordicae backflow tower incense and a preparation method thereof.The preparation method comprises the following steps that 1, fructus momordicae, sandalwood and nanmu are dried in the sun and then ground into powder, and fructus momordicae powder, sandalwood powder and nanmu sticky powder are obtained; mixing the siraitia grosvenorii powder, the sandalwood powder and the nanmu sticky powder to obtain a mixed spice, mixing the mixed spice with water according to a certain mass ratio, uniformly stirring, and standing to obtain tower incense mud; (2) wrapping the tower incense mud in the step (1) with a preservative film, and standing for a period of time; (3) pouring the tower incense mud obtained in the step (2) into a tower incense mold, and performing compression molding to obtain molded tower incense; and (4) removing the formed tower incense in the step (3) from the mold, and drying the formed tower ...

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Номер записи: 5
02-05-2023 дата публикации

Optimization design method of AB process for sewage treatment

Номер: CN116040797A
Автор: DING QUANYOU, JIANG NAI, WANG TIANTIAN, SUN XIAOJIE, ZHANG WENXIN, LIANG MENGJIAO
Принадлежит:

The invention discloses a sewage treatment AB process optimization design method, and relates to the technical field of sewage treatment, a B-section aeration tank is transformed, the B-section aeration tank is transformed into at least one anoxic tank and a plurality of aerobic tanks from a gallery of a B-section filter tank, and the B-section aeration tank is locally transformed into an A/O process by adding a reflux device; the whole process comprises the following steps: sewage firstly passes through an A-section aeration tank and enters a mid-sedimentation tank under the action of high load and high efficiency of the A section, then a part of the sewage flows back to the A-section aeration tank, a part of the sewage flows back to an anoxic tank and an aerobic tank of a B section and then enters a secondary sedimentation tank, a part of the secondary sedimentation tank flows back to the anoxic tank, and a part of the secondary sedimentation tank is discharged. According to the invention ...

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Номер записи: 6
26-05-2023 дата публикации

Method for continuously preparing chlorinated tert-butane through microchannel

Номер: CN116162014A
Автор: DING QUANYOU, WANG ZHENG, HAN YU, DING SHUAI, QIN XUEPING
Принадлежит:

The invention relates to the technical field of organic synthesis, and discloses a method for continuously preparing chlorinated tert-butane through a micro-channel, which comprises the following steps: (1) washing the interior of a micro-channel reactor for multiple times, and correcting the flow of a feed pump at the same time; (2) the cold-heat exchange all-in-one machine controls the reaction temperature, so that the temperature in the micro-channel reactor is kept stable; (3) conveying n-butyl alcohol into the micro-channel reactor through a first polytetrafluoroethylene pump, conveying concentrated hydrochloric acid into the micro-channel reactor through a second polytetrafluoroethylene pump, stirring and mixing the n-butyl alcohol and the concentrated hydrochloric acid in the micro-channel reactor, and reacting; after the reaction is finished, collecting reaction liquid at the tail end of the micro-channel reactor; and (4) carrying out quenching reaction on the reaction liquid in ...

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Номер записи: 7
09-06-2023 дата публикации

Laboratory preparation method of 2, 4-dichlorophenoxyacetic acid

Номер: CN116239459A
Автор: DING QUANYOU, FENG LI, SUN AKANG
Принадлежит:

The invention discloses a laboratory preparation method of 2, 4-dichlorphenoxyacetic acid, and relates to the technical field of preparation methods of pesticide products, and the laboratory preparation method comprises the following steps: step 1, adding 2, 4-dichlorophenol into a certain amount of polar solvent, stirring and dissolving, adding solid alkali, dropwise adding methyl chloroacetate at a certain temperature, reacting for a certain time, and filtering to obtain 2, 4-dichlorophenoxyacetic acid; after the reaction is finished, distilling off the solvent under reduced pressure to obtain methyl 2, 4-dichlorophenoxyacetate; and 2, slowly dropwise adding water into a reaction flask filled with methyl 2, 4-dichlorophenoxyacetate, carrying out reflux hydrolysis, cooling to 70 DEG C, maintaining the temperature, slowly dropwise adding concentrated hydrochloric acid into the reaction, stirring for 1.5 hours after dropwise adding, cooling to room temperature, filtering, washing with water ...

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Номер записи: 8
09-06-2023 дата публикации

Method for synthesizing 5-tert-butyl m-xylene by adopting tubular reactor

Номер: CN116239436A
Автор: DING QUANYOU, SUN XIAOXUE, WANG ZHENG, LIU SHUAI, DING SHUAI, QIN XUEPING
Принадлежит:

The invention relates to the technical field of organic synthesis, and discloses a method for synthesizing 5-tert-butyl m-xylene by adopting a tubular reactor, which specifically comprises the following steps: (1) washing the interior of the tubular reactor for multiple times; (2) mixing a solvent m-xylene and a catalyst anhydrous aluminum chloride according to a certain mass ratio to obtain a raw material A; taking tert-butyl chloride as a raw material B; (3) conveying the raw material A obtained in the step (2) into a tubular reactor through a peristaltic pump, conveying the raw material B into the tubular reactor through a metering pump, and carrying out a reaction on the raw material A and the raw material B to obtain a reaction solution; (4) performing quenching reaction on the reaction liquid in the step (3) in ice water, and absorbing tail gas after the reaction is completed; and (5) adjusting the pH value of the reaction liquid in the step (4), filtering, extracting, and finally ...

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Номер записи: 9
23-06-2023 дата публикации

Preparation method for synthesizing 2-methyl-4-chlorophenoxyacetic acid

Номер: CN116283545A
Автор: DING QUANYOU, LI ZHANGLIAN, YUE TAO, WANG YUNMENG, ZHONG XUE
Принадлежит:

The invention discloses a preparation method for synthesizing 2-methyl-4-chlorophenoxyacetic acid, and relates to the technical field of organic synthesis, and the preparation method comprises the following steps: step 1, dissolving chloroacetic acid with water, cooling to 0 DEG C, and reacting with a sodium hydroxide solution to prepare a sodium chloroacetate solution; the preparation method comprises the following steps: reacting o-cresol with a sodium hydroxide solution to obtain a sodium o-cresol solution, and then adding a sodium chloroacetate solution into the sodium o-cresol solution to react to prepare o-methyl phenoxyacetate; adding concentrated hydrochloric acid into the o-methyl phenoxyacetate, and then cooling and crystallizing the reaction liquid; after cooling crystallization is finished, carrying out suction filtration and water washing on reaction liquid to prepare o-methylphenoxyacetic acid; 2, adding o-methylphenoxyacetic acid into a mixed solution of water and 1, 2-dichloroethane ...

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Номер записи: 10
04-04-2023 дата публикации

Skraup method for synthesizing 3, 8-dimethyl-7-chloroquinoline

Номер: CN115894357A
Автор: DING QUANYOU, ZHONG XUE, YUE TAO, WANG YUNMENG
Принадлежит:

The invention belongs to the technical field of synthesis of intermediates of herbicides, and particularly relates to synthesis of 3, 8-dimethyl-7-chloroquinoline by a Skraup method. The method comprises the following steps: taking 2-methyl-3-chloroaniline and 2-methylacrolein as raw materials, firstly carrying out cyclization reaction in concentrated sulfuric acid to generate 3, 8-dimethyl-7-chlorotetrahydroquinoline, then taking sodium iodide as an oxidizing agent, carrying out oxidative dehydrogenation reaction, carrying out suction filtration, and washing with a large amount of warm water to prepare relatively pure 3, 8-dimethyl-7-chloroquinoline. The method has the advantages of high yield, high purity of the obtained intermediate, small environmental pollution and no violent reaction phenomenon. When the reaction temperature is 110 DEG C, the optimal concentration of the sulfuric acid is 70%, the feeding ratio of the 2-methyl-3-chloroaniline to the 2-methylacrolein is 1: 1.6 mol, ...

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Номер записи: 11
11-04-2023 дата публикации

Method for continuously preparing 4-tert-butyl cyclohexanone in fixed bed

Номер: CN115947649A
Автор: DING QUANYOU, GUO DAOZHENG, ZHU JINLIANG, CHEN XIAOYU
Принадлежит:

The invention relates to the field of synthesis of 4-tert-butyl cyclohexanone through catalytic hydrogenation of 4-tert-butyl phenol, in particular to a method for continuously preparing 4-tert-butyl cyclohexanone through a fixed bed, which comprises the following steps: (1) uniformly mixing a catalyst, filling a reaction tube with the catalyst, preheating a 4-tert-butyl phenol dichloromethane solution, mixing the preheated 4-tert-butyl phenol dichloromethane solution with H2, and feeding the mixture into the reaction tube; (2) carrying out hydrogenation reaction at 100 DEG C, cooling after the reaction is finished, and then slowly dropwise adding hydrogen peroxide; (3) after dropwise adding, heating to 100-150 DEG C for reaction, cooling after the reaction is finished, and then separating liquid while the reaction is hot; and (4) washing the obtained supernatant with a saturated Na2SO3 aqueous solution, washing with water, drying with anhydrous Na2SO4, and carrying out suction filtration ...

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Номер записи: 12
16-04-2014 дата публикации

Method for mounting central tube base of reforming reactor

Номер: CN103725314A
Автор: DING QUANYOU, CHEN DICHAO, HUANG ZHEN, WANG WEI
Принадлежит:

The invention discloses a method for mounting a central tube base of a reforming reactor, and the method is used for solving the problem that the levelness cannot be ensured when a central tube base of a reforming reactor in the prior art is mounted and relates to the field of mounting of petrochemical equipment in the mechanical industry. The method disclosed by the invention comprises the following steps, fixedly connecting one ends of an inverted chain I2, an inverted chain II3 and an inverted chain III4 onto a central tube base 5 respectively, fixing the other ends of the three inverted chains on a lifting hook 1, adjusting the inverted chains so that a port of the central tube base 5 is perpendicular to the ground, and then enabling the central tube base 5 to slowly descend by a crane through the lifting hook 1; when being away from a mounting position by a certain distance, adjusting the inverted chains to ensure that the central tube base 5 keeps horizontal, then pulling the three ...

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Номер записи: 13
09-05-2023 дата публикации

Method for preparing watermelon ketone by utilizing continuous technology

Номер: CN116082293A
Автор: DING QUANYOU, LI YUYU, SU HONGQIANG, ZHANG QIDI, LU XUE
Принадлежит:

The invention relates to the field of synthesizing watermelon ketone by utilizing a continuous technology, and discloses a method for preparing watermelon ketone by utilizing a continuous technology, which comprises the following steps: (1) constructing tubular reactor continuous flow equipment, and washing the interior of a tubular reactor for multiple times; (2) dissolving sodium carbonate and potassium iodide in an acetone solution according to a certain molar ratio, and uniformly mixing by a colloid mill to obtain a turbid liquid A; dissolving 4-methylcatechol and 1, 3-dichloroacetone in an acetone solution according to a certain molar ratio, and uniformly stirring and mixing to obtain a solution B; (3) conveying the turbid liquid A obtained in the step (2) into a tubular reactor through a peristaltic pump, conveying the solution B into the tubular reactor through a high-pressure plunger pump, and enabling the turbid liquid A and the solution B to flow out through a liquid outlet after ...

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Номер записи: 14
16-05-2023 дата публикации

Method for separating and purifying 4-tert-butylphenol and 4-tert-butylcyclohexanone

Номер: CN116120155A
Автор: DING QUANYOU, ZHU JINLIANG, GUO DAOZHENG, CHEN XIAOYU
Принадлежит:

The invention discloses a method for separating and purifying 4-tert-butyl phenol and 4-tert-butyl cyclohexanone. The method comprises the following steps: (1) dropwise adding a sodium hydroxide solution into a dichloromethane solution of 4-tert-butyl phenol, 4-tert-butyl cyclohexanone and 4-tert-butyl cyclohexanol; (2) filtering and collecting a liquid phase and a solid phase; (3) standing the liquid phase and collecting a water phase and an organic phase; the solid phase and the water phase are mixed, a hydrochloric acid solution is dropwise added, then dichloromethane is added, standing and liquid separation are carried out, an organic phase is collected, and (4) reduced pressure distillation is carried out, and 4-tert-butylphenol is obtained. (5) preparing a dichloromethane solution in which the mass ratio of a Delta-Martin oxidizing agent to the organic phase 4-tert-butyl cyclohexanol in the step (3) is 2: 5, (6) adding the organic phase in the step (3) into the dichloromethane solution ...

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Номер записи: 15
23-04-2014 дата публикации

Method for assembling and welding AB cover plate sealing blocks of reforming reactor

Номер: CN103740399A
Автор: DING QUANYOU, WU RUIPING, FAN BOXIN, KONG FANHONG
Принадлежит:

The invention provides a method for assembling and welding AB cover plate sealing blocks of a reforming reactor, relating to a manufacturing process of the reforming reactor in the field of the petrochemical industry and aiming to solve the technical problem that AB cover plate sealing blocks in the prior art are easy to fall off in transport, loading and unloading processes. The method is characterized by numbering, casing and sending AB cover plate sealing blocks 1 to a reforming reactor installation site; assembling the AB cover plate sealing blocks on the site, and spot-welding the AB cover plate sealing blocks 1 and an AB cover plate 2. The method has the advantages of convenience in operation, high reliability and stable technical performance.

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Номер записи: 16
25-08-2023 дата публикации

Preparation method of lithium 1, 3, 5, 7 (1, 3)-tetraphenyl-octane-12, 32, 52, 72-tetra (alkyd ester)

Номер: CN116640049A
Автор: DING QUANYOU, ZHU JINLIANG, LI ZHANGLIAN, YUE TAO, LU XUE
Принадлежит:

The invention relates to the technical field of organic synthesis, and discloses a preparation method of lithium 1, 3, 5, 7 (1, 3)-tetraphenyl ring octalkane-12, 32, 52, 72-tetra (alkyd ester), the lithium 1, 3, 5, 7 (1, 3)-tetraphenyl ring octalkane-12, 32, 52, 72-tetra (alkyd ester) is prepared from calixarene and metal lithium, calixarene [4] is prepared from p-tert-butyl calixarene, phenol, anhydrous aluminum trichloride and anhydrous toluene as raw materials, and the preparation method comprises the following steps: (1) at room temperature, adding a catalyst, a catalyst, a catalyst and a catalyst into a reaction kettle, and carrying out a reaction to obtain a reaction The method comprises the following steps: adding calix [4] arene and metal lithium in a certain mass ratio into a three-neck flask, and directly reacting the calix [4] arene and the metal lithium by adopting an ether solution such as tetrahydrofuran as a solvent to obtain a reaction solution; and (2) refluxing the reaction ...

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Номер записи: 17
06-06-2023 дата публикации

Safe and continuous production musk xylene preparation method

Номер: CN116217401A
Автор: DING QUANYOU, LIU SHUAI, WANG ZHENG, SUN XIAOXUE, DING SHUAI, QIN XUEPING
Принадлежит:

The invention relates to the technical field of chemical process continuous production, and discloses a safe and continuous production musk xylene preparation method which comprises the following steps: (1) stirring m-xylene and anhydrous aluminum chloride to obtain a mixed solution; (2) firstly adding tert-butyl chloride into the mixed solution according to a certain flow rate, and then adding anhydrous aluminum chloride into the mixed solution; (3) carrying out suction filtration and water washing treatment on the reaction liquid in the step (2), adding anhydrous magnesium sulfate to remove water, and carrying out suction filtration and rotary evaporation purification to obtain an intermediate 5-tert-butyl-m-xylene crude product; (4) preparing mixed acid, namely mixing nitric acid and sulfuric acid according to a certain mass ratio; (5) continuously feeding the mixed acid and a 5-tert-butyl m-xylene crude product at a sample inlet of the tubular reactor; and (6) extracting a reaction ...

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Номер записи: 18
16-05-2023 дата публикации

Preparation method of novel modified red mud-based denitration catalyst

Номер: CN116116418A
Автор: DING QUANYOU, WANG TIANTIAN, LIANG MENGJIAO, JIANG NAI, SUN XIAOJIE, ZHANG WENXIN
Принадлежит:

The invention discloses a preparation method of a novel modified red mud-based denitration catalyst, which is characterized by comprising the following steps: (1) drying red mud, sieving with a 40-mesh sieve, and then carrying out ball milling; (2) pickling the red mud with a dilute sulfuric acid solution, washing the red mud with deionized water until the red mud is neutral, and drying the red mud in a drying oven; (3) preparing a cerous nitrate aqueous solution, and magnetically stirring at normal temperature for 1 hour to completely dissolve cerous nitrate particles; and (4) adding the acid-washed red mud into the cerium nitrate aqueous solution, magnetically stirring for 2 hours at normal temperature, putting a mixed solution of the cerium nitrate and the red mud into a high-pressure reaction kettle, reacting, taking out the mixed solution after the reaction is completed, standing, washing with deionized water, and drying in a drying oven.

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Номер записи: 19
23-06-2023 дата публикации

Method for synthesizing o-nitrotoluene by adopting microchannel reaction device

Номер: CN116283595A
Автор: DING QUANYOU, WANG YUNMENG, YUE TAO, LI ZHANGLIAN, ZHONG XUE
Принадлежит:

The invention relates to the field of organic synthesis, and discloses a method for synthesizing o-nitrotoluene by adopting a micro-channel reaction device, which comprises the following steps: (1) washing the interior of the micro-channel reaction device for multiple times, and correcting the flow of a feed pump; (2) mixing dichloroethane and fuming nitric acid according to a certain volume ratio to obtain a raw material A; (3) adjusting the reaction temperature of the micro-channel reaction device, and adding toluene into a reaction cavity of the micro-channel reaction device through a toluene inlet pump; adding the raw material A into a reaction cavity of the micro-channel reaction device through an acid inlet pump; (4) after reacting for a period of time, enabling reaction liquid to flow out from the tail end of the micro-channel reaction device, namely primary o-nitrotoluene; and (5) putting ortho-nitrotoluene into water, separating an organic phase, washing with water for multiple ...

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Номер записи: 20
02-05-2023 дата публикации

Method for continuously synthesizing musk ketone by tubular reactor

Номер: CN116041185A
Автор: DING QUANYOU, WANG ZHENG, SUN XIAOXUE, LIU SHUAI, GAO YONGMEI
Принадлежит:

The invention relates to the technical field of synthesis of artificial perfumes, and discloses a method for continuously synthesizing musk ketone in a tubular reactor, which comprises the following steps: (1) cleaning a pipeline of the tubular reactor, and correcting the flow of a feed pump; (2) mixing concentrated nitric acid and concentrated sulfuric acid according to a certain volume ratio to obtain mixed acid, and recording the mixed acid as a raw material A; (3) taking dichloroethane and acetylbenzene according to a certain mass ratio, dissolving acetylbenzene in dichloroethane, mixing and stirring, and recording as a raw material B; (4) controlling the temperature by a cooling and heating all-in-one machine, and adding the prepared raw material A into a tubular reactor through a polytetrafluoroethylene pump; adding the prepared raw material B into a tubular reactor through a peristaltic pump; and (5) collecting a reaction product at the tail end of the tubular reactor, quenching ...

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Номер записи: 21
02-05-2023 дата публикации

Preparation method of novel modified durian shell biochar for adsorbing ciprofloxacin

Номер: CN116037082A
Автор: DING QUANYOU, ZHANG WENXIN, SUN XIAOJIE, LIANG MENGJIAO, JIANG NAI, WANG TIANTIAN
Принадлежит:

The invention discloses a preparation method of novel modified durian shell biochar for adsorbing ciprofloxacin, and relates to the technical field of biochar adsorption materials.The preparation method comprises the following steps that 1, durian shells are washed with water and placed in a drying oven to be dried, and then the durian shells are smashed and stored for use; (2) feeding the treated durian shell powder into a high-temperature furnace in the presence of nitrogen to be roasted and carbonized, then immersing the durian shell powder into a hydrochloric acid solution, filtering, washing with clear water until the durian shell powder is neutral, and then drying; and (3) mixing the obtained durian shell biochar with ZnCI2/KOH, grinding, sieving with a 60-mesh sieve, feeding into a high-temperature furnace in the presence of nitrogen, roasting and carbonizing, taking out, repeatedly washing with a hydrochloric acid solution and deionized water, filtering until the filtrate is neutral ...

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Номер записи: 22