Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 8. Отображено 8.
07-04-2023 дата публикации

Beryllium element separation and recovery method

Номер: CN115927883A
Автор: LIU HUIWU, SU XUEBIN, CHENG HAO, WANG GUISHUO, ZHANG CHENGTIAN, QUE WEIMIN, XIANG QIULIN, LIU ZHONGCHEN, LIU KANG, LIU ZHICHAO, LI CHUNFENG
Принадлежит:

The invention belongs to the technical field of metallurgy, and particularly relates to a beryllium element separation and recovery method. The beryllium element separation and recovery method provided by the invention comprises the following steps: carrying out beryllium leaching treatment on beryllium-containing ore to obtain beryllium-containing leachate; adjusting the pH value of the beryllium-containing leachate to 2-4, and filtering by using a filter tank to obtain an extraction stock solution; the solid content in the extraction stock solution is below 5mg/L; the filler in the filter tank comprises one or more of quartz sand, manganese sand and garnet, and the thickness of the filler in the filter tank is 0.7-1.5 m; performing centrifugal extraction on the extraction stock solution to obtain a beryllium-loaded organic phase; an extraction solution for centrifugal extraction comprises 10-30% of an extraction agent, 5-20% of a regulator and 50-85% of a diluent; the stage number of ...

Подробнее
Номер записи: 1
18-04-2023 дата публикации

Website file tamper-proofing method and system

Номер: CN115982782A
Автор: SUN HONGJUN, MA CHUANGUO, SUI JINGQI, SUN YONGJIAN, MA CHUNLING, ZHANG HUA, WU PENGFEI, SUN CHENXIN, GUAN SHUO, FENG YANYAN, LI BAI, LIU QINGSONG, WANG GUISHUO
Принадлежит:

The invention discloses a website file tamper-proofing method, which comprises the following steps of: copying all website files to a backup folder of a website server, collecting characteristic value information of the website files and incremental backup and incremental update increased by website administrator operation, continuously generating backups and writing the backups into a database; reading the states of all files and folders in the website directory in real time, and comparing the states with the characteristic value information stored in the database; if the content is inconsistent with the information stored in the database, the network user cannot access the tampered network content, meanwhile, the content of the backup path folder is copied to the corresponding file position of the monitoring folder in a plain text safe copying mode, and website display is recovered after copying is completed. When the webpage is tampered, the backup file can be timely displayed to the ...

Подробнее
Номер записи: 2
30-05-2023 дата публикации

Method for improving solid-liquid separation efficiency of hydrochloric acid leaching ore pulp of superior monazite slag

Номер: CN116179850A
Автор: CHENG HAO, SU XUEBIN, LIU KANG, LIU ZHONGCHEN, LIU HUIWU, XIANG QIULIN, ZHANG CHENGTIAN, WANG GUISHUO, LIANG GENGYU
Принадлежит:

The invention provides a method for improving the solid-liquid separation efficiency of hydrochloric acid leaching ore pulp of superior monazite dissolving slag, and belongs to the technical field of hydrometallurgy. A high-molecular polymer is adopted as a filter aid and is directly added into the ore pulp after leaching the monazite excellent slag with hydrochloric acid, and the solid-liquid separation efficiency of the ore pulp is improved by improving the filtering performance of the ore pulp; and the filter aid and the ore pulp can be pumped into a filter press for solid-liquid separation treatment after being mixed, and the ore pulp filtering speed can be easily increased to more than 100L/(m < 2 >. H). The added filter aid has no side effect, does not generate extra precipitate, does not influence separation and recovery of valuable elements in the leachate, has no aging waiting time, is simple and continuous in process operation, effectively reduces equipment investment and energy ...

Подробнее
Номер записи: 3
21-04-2023 дата публикации

Method for separating rare earth uranium and beryllium from sulfuric acid leaching solution containing rare earth uranium and beryllium

Номер: CN115992317A
Автор: LIU HUIWU, SU XUEBIN, QUE WEIMIN, LIU KANG, WANG GUISHUO, ZHANG CHENGTIAN, XIANG QIULIN, LIU ZHONGCHEN, CHENG HAO, LIU ZHICHAO, LI GUANG
Принадлежит:

The invention provides a method for separating rare earth uranium and beryllium from a sulfuric acid leaching solution containing the rare earth uranium and beryllium, and belongs to the technical field of hydrometallurgy. According to the method, a high-temperature and high-pressure impurity removal method is adopted, iron vitriol, niobium, titanium, zirconium and other hydrolytic compounds are generated through regulation and control of acidity and oxidizing atmosphere in the solution, reaction temperature and the like, efficient removal of impurities under the high-acidity condition is achieved, meanwhile, the concentration of sulfate radicals in the second filtrate is effectively reduced, and favorable conditions are created for subsequent uranium separation. The rare earth is precipitated by adopting the sulfate double salt, the beryllium-loaded organic phase washing liquid is returned to precipitate and deeply recover the rare earth, and a high-temperature impurity removal method ...

Подробнее
Номер записи: 4
11-08-2023 дата публикации

Method for recovering uranium from high-quality monazite slag

Номер: CN116574928A
Автор: CHENG HAO, SU XUEBIN, LIU KANG, XIANG QIULIN, LIU HUIWU, LIU ZHONGCHEN, HUANG YONG, ZHANG CHENGTIAN, WANG GUISHUO, LIANG GENGYU
Принадлежит:

The invention provides a method for recycling uranium from high-quality monazite molten slag, and belongs to the technical field of hydrometallurgy. The method comprises the following steps: 1, leaching; 2, carrying out solid-liquid separation; 3, extracting to remove iron; and 4, extracting uranium. According to the method, the problem that solid-liquid separation of ore pulp is difficult is solved by adding polyacrylamide, the leaching rate of uranium, thorium and rare earth is high by adopting a high hydrochloric acid system, iron is removed and uranium is extracted step by step by utilizing a single extraction technology, the process is simple and easy to use, the uranium-iron-thorium separation effect is good, sodium diuranate prepared from uranium qualified liquid is few in impurity, high in quality and suitable for industrial application.

Подробнее
Номер записи: 5
28-07-2023 дата публикации

Method for recovering uranium and aluminum from ion type rare earth ore impurity removal slag

Номер: CN116497242A
Автор: WANG GUISHUO, SU XUEBIN, XIANG QIULIN, LIU HUIWU, ZHANG CHENGTIAN, LIU KANG, LIU ZHONGCHEN, CHENG HAO
Принадлежит:

The invention provides a method for recovering uranium and aluminum from ion type rare earth ore impurity removal slag, and relates to the technical field of hydrometallurgy. The method for recycling uranium and aluminum from the ion type rare earth ore impurity removal slag comprises the following steps that the ion type rare earth ore impurity removal slag and concentrated sulfuric acid are mixed, stirring leaching is conducted, and a leaching solution is obtained; mixing the leachate with an ammonium-containing reagent, and carrying out an ammonium-aluminum reaction to obtain an aluminum ammonium sulfate precipitate and a precipitate mother solution; the precipitation mother liquor is subjected to uranium extraction, and an organic phase loaded with uranium is obtained; and the uranium-loaded organic phase is subjected to back extraction, and uranium qualified liquid is obtained. The problem that valuable elements such as aluminum, uranium and rare earth in the impurity removal slag ...

Подробнее
Номер записи: 6
07-04-2023 дата публикации

Method for comprehensively recovering rare earth and iron from rare earth ore with high iron content

Номер: CN115927840A
Автор: LIU HUIWU, XIANG QIULIN, SU XUEBIN, QUE WEIMIN, WANG GUISHUO, LIU ZHONGCHEN, LIU KANG, ZHANG CHENGTIAN, CHENG HAO, LIU ZHICHAO, LI GUANG
Принадлежит:

The invention provides a method for comprehensively recovering rare earth and iron from high-iron-content rare earth ore, and relates to the technical field of hydrometallurgy. According to the method, the ore powder of the high-iron-content rare earth ore and the concentrated sulfuric acid are mixed, pre-cured and roasted, the decomposition rate of minerals in the ore is high, and the extraction rate of target elements is increased; according to the method, rare earth in the rare earth leachate obtained after water leaching is precipitated by adopting a sulfate double salt precipitation method, so that the rare earth is effectively separated from a large number of iron elements; the rare earth sulfate double salt is transformed by sodium hydroxide and is optimally dissolved by hydrochloric acid to obtain a rare earth chloride solution product; according to the method, the characteristics of high sulfate radical content and high acidity in the precipitation mother liquor are utilized, the ...

Подробнее
Номер записи: 7
27-06-2023 дата публикации

Method for selectively separating vanadium and chromium from vanadium-chromium solution

Номер: CN116334414A
Автор: WANG GUISHUO, LI PEIYOU, JIA XIUMIN, LIU HUIWU, XIANG QIULIN, LIU KANG, LIU ZHONGCHEN, CHENG HAO
Принадлежит:

The invention provides a method for selectively separating vanadium and chromium from a vanadium-chromium solution, and relates to the technical field of hydrometallurgy. According to the method, the selective separation of chromium is realized by adjusting the pH value of the vanadium-chromium solution and utilizing multi-stage anion exchange resin adsorption; and vanadium is separated from the chromium-removed solution through vanadium extraction and back extraction crystallization, so that the separation of vanadium and chromium can be realized. The process is simple, operation is convenient, and high-purity vanadium oxide and chromium oxide can be prepared.

Подробнее
Номер записи: 8