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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 10. Отображено 10.
07-04-2023 дата публикации

Beneficiation method for reducing content of impurity titanium in pegmatite pyrochlore ore concentrate

Номер: CN115921104A
Принадлежит:

The invention relates to a method for reducing the content of impurity titanium in pegmatite pyrochlore ore concentrate. The method comprises the following steps that iron and titanium are removed through magnetic separation; decalcification is performed; niobium flotation; electric separation is conducted, impurity titanium existing in ilmenite is preferentially removed through low intensity magnetic separation and high-gradient wet-type high intensity magnetic separation, meanwhile, magnetite and part of iron-containing gangue are removed, the titanium removal and tailing discarding effects are achieved, and the ore feeding amount of follow-up operation is reduced; a hydroximic acid collecting agent with good selectivity is adopted in niobium floating operation, and the variety and dosage of a regulator and an inhibitor are reduced; due to the fact that the difference between the specific conductivity of pyrochlore and the specific conductivity of niobium-containing ilmenite in the floating ...

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29-04-2021 дата публикации

Method for intensive recovery of valuable components from rare earth tailings

Номер: AU2020294218A1
Принадлежит:

The present invention relates to a method for intensive recovery of valuable components from rare earth tailings. The method includes the following steps: Si. magnetic separation and enrichment of a high-intensity magnetically separated concentrate and a high-intensity magnetically separated tailing; S2. leaching and recovery of molybdenum to obtain a molybdate solution and a leached residue; S3. gravity separation and flotation of the rare earth to obtain a rare earth concentrate and a flotation rare earth tailing; S4. leaching of lead to obtain a lead-containing solution; S5. flotation of barium to obtain a barite concentrate and a barite flotation tailing. The invention achieves effective enrichment and intensive recovery of useful components of rare earth, molybdenum, lead, and barium through a low-intensity magnetic separation and a high-intensity magnetic separation, laying a good foundation for subsequent centralized recovery; adopts the leaching to recover molybdenum, associates ...

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17-12-2014 дата публикации

Beneficiation method for color molybdenum lead ores

Номер: CN104209183A
Принадлежит:

The invention discloses a beneficiation method for color molybdenum lead ores. The beneficiation method is characterized by comprising the following steps of performing magnetic separation on the color molybdenum lead ores to obtain nonmagnetic ores; adding sodium carbonate in the nonmagnetic ores and then performing ore grinding and desliming; adding water in the deslimed nonmagnetic ores, mixing to form ore pulp, adding a regulator for adjusting the pH value of the ore pulp, and adding a collecting agent for floating to obtain flotation concentrates; performing gravity separation to separate the flotation concentrate and further obtain gravity separation molybdenum concentrates and gravity separation molybdenum defective concentrates. According to the beneficiation method disclosed by the invention, the high-selectivity collecting agent is adopted for directly floating, so that high-efficiency recovery of molybdenum ores is realized; the process flow is simple, the cost is low and the ...

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02-06-2023 дата публикации

Direct flotation method for micro-fine particle iron-containing cassiterite

Номер: CN116197054A
Принадлежит:

The invention relates to the technical field of mineral processing, and particularly discloses a direct flotation method for micro-fine particle iron-containing cassiterite. The method provided by the invention comprises the following steps: firstly, finely grinding micro-fine particle iron-containing cassiterite raw ore, then adding a roughing regulator and a collecting agent, and carrying out tin roughing to respectively obtain tin rough concentrate and roughing tailings; a regulator and a collecting agent are added into the tin rough concentrate for heating treatment, and a heating operation product is obtained; and carrying out tin concentration on the heated product to respectively obtain tin concentrate and concentrated tailings. The method is high in adaptability to raw materials, high in guarantee of concentrate indexes, good in economic feasibility and good in industrialization prospect.

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30-04-2014 дата публикации

Mixed leaching assistant-based cyanidation gold-leaching method

Номер: CN103757437A
Принадлежит:

The invention discloses a mixed leaching assistant-based cyanidation gold-leaching method. The mixed leaching assistant-based cyanidation gold-leaching method comprises the following steps of crushing gold-containing ore to obtain powder containing 90-95% of particles having the sizes of 0.074mm, adding tap water into the powder according to a liquid-solid ratio of 2: 1, adding quicklime into the solution to adjust a pH value to 10-11, adding 0.2-0.3kg/t of barium peroxide, 0.05-0.10kg/t of sodium peroxide and 2-3kg/t of sodium cyanide into the solution, carrying out stirring leaching for 4h, adding 0.025-0.05kg/t of sodium peroxide into the leaching solution, sequentially carrying out stirring leaching for 8h, adding 0.025-0.05kg/t of sodium peroxide into the leaching solution, and carrying out leaching for 8-18h to obtain the cyanidation leaching solution of gold. The mixed leaching assistant-based cyanidation gold-leaching method solves the problem that in cyanidation leaching, an oxide ...

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06-08-2014 дата публикации

Rare earth ore beneficiation method

Номер: CN103962232A
Принадлежит:

The invention relates to a rare earth ore beneficiation method which is characterized in that grading is carried out after ore grinding is carried out on raw ore; reselection is carried out on coarse fractions to obtain gravity concentrates and tailings; magnetic separation is carried out on fine fractions to obtain strong-magnetic separation concentrates and tailings; reselection is respectively carried out on gravity concentrates and strong-magnetic separation concentrates which are different in fraction through a table to obtain table concentrates, table middlings and table tailings; the table concentrates and the table middlings which are different in fraction are mixed, and wet-type high-gradient magnetic separation is carried out to obtain magnetic separation rare earth ore concentrates and magnetic separation middlings; the magnetic separation middlings and the table tailings are mixed, closed-loop flotation including primary rough concentration, secondary scavenging and secondary ...

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12-02-2014 дата публикации

Method for enriching platinum family elements from platinum family concentrate

Номер: CN103572066A
Принадлежит:

The invention discloses a method for enriching platinum family elements from platinum family concentrates. The method is characterized by comprising the following steps: 1) mixing a sulfuric acid solution having mass concentration of 10-50% with a platinum family concentrate in a mass ratio of 3-10:1, at normal pressure or pressure, leaching under the conditions of heating and oxygen feeding, and carrying out solid-liquid separation so as to obtain leaching liquid containing copper, nickel, cobalt and iron and leaching residues containing platinum family elements; 2) concentrating the leaching residues obtained in the step 1) until the solid content is 10-40wt%, and carrying out flotation so as to obtain a platinum family element enrichment concentrate and tailings; 3) carrying out solid-liquid separation on the tailings so as to obtain tailings slag and tailings liquid; 4) mixing the leaching liquid obtained in the step 1) with the solution obtained in the step 3) so as to recover copper ...

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23-06-2023 дата публикации

Beneficiation method for comprehensively recovering rubidium from hard rock type lithium polymetallic ore

Номер: CN116273432A
Принадлежит:

The invention provides a beneficiation method for comprehensively recovering rubidium from hard rock type lithium polymetallic ore. The method comprises the following steps: grinding raw ore; tantalum-niobium concentrate and tin concentrate are obtained through a gravity-magnetic separation process; and the gravity separation tailings are subjected to secondary grinding and size mixing, rubidium-containing mica concentrate is obtained through flotation, floating mica tailings are regulated and controlled through an agent, rubidium-containing feldspar concentrate is obtained, and the mica concentrate and the feldspar concentrate are combined into final rubidium concentrate. According to the method, the high-selectivity rubidium selection collecting agent is used, the rubidium concentrate with the Rb2O grade larger than 0.55% is obtained through the simple, convenient, economical and efficient mineral separation technology in the non-desliming weak alkaline environment, and the rubidium smelting ...

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12-05-2023 дата публикации

Beneficiation method for recovering pyrochlore from high-silicon high-calcium carbonic acid type niobium ore

Номер: CN116099650A
Принадлежит:

The invention discloses a beneficiation method for recovering pyrochlore from high-silicon high-calcium carbonic acid type niobium ore, which comprises the following steps of: mixing an ore grinding product into pulp, and performing coarse and fine low-intensity magnetic separation to obtain magnetite concentrate and low-intensity magnetic tailings; the weak magnetic tailings are subjected to one-roughing, three-refining and two-scavenging niobium flotation, and flotation niobium concentrate and flotation niobium tailings 1 are obtained; the flotation niobium concentrate is subjected to one-rough one-fine strong magnetic separation to obtain niobium concentrate 1 and strong magnetic concentrate; and performing one-roughing, four-concentrating and one-sweeping niobium flotation on the strong magnetic concentrate to obtain niobium concentrate 2 and floating niobium tailings 2. According to the method, the characteristics of different types of niobium flotation reagents are utilized, the technological ...

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10-12-2014 дата публикации

Full water-based plastic film gravure ink

Номер: CN104194477A
Автор: ZOU JIANJIAN, ZOU ZHUOYUN
Принадлежит:

The invention relates to a full water-based plastic film gravure ink, which belongs to the field of industrial inks. The ink is prepared from four parts, namely, resin, color paste, a solvent and aids. The full water-based plastic film gravure ink is characterized in that the solvent part completely abandons low-boiling-point organic volatiles and adopts water; and due to use of water, a waterborne acrylic resin is selected, poly alkylene glycol which can be completely dissolved in water is taken as a main aid, lake/color source, azo, quinacridone organic pigments which can be used for preparing full water-based color paste, titanium dioxide produced by using a rutile sulfuric acid method and carbon black which can be used for preparing water-based color paste are selected. The gravure ink disclosed by the invention has the advantages that low-boiling-point organic volatiles are completely abandoned in products, thereby greatly reducing the emissions of VOC; and the gravure ink is applicable ...

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