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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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Применить Всего найдено 2. Отображено 2.
20-03-2013 дата публикации

Regeneration method for rhenium-containing high-temperature alloy scrap

Номер: CN102978406A
Автор: Li Jin, Du Minghuan, Ma Guang, Wu Xian, Meng Hanqi, Wang Jingkun, Chen Kunkun
Принадлежит:

The invention discloses a regeneration method for rhenium-containing high-temperature alloy scrap, comprising the following steps of: 1, performing atomizing treatment; 2, performing acid dissolution; 3, performing solid-liquid separation to obtain a filtrate a and filter residue b; and 4, treating the filtrate a and the filter residue b respectively, wherein the treatment process for the filtrate a is as follows: separating element Re, precipitating the solution after separating the element Re and removing impurities from the solution, and separating element Ni from element Co in the solution after removing impurities; and the treatment process for the filter residue b is as follows: performing oxidation treatment, filtering, separating out element W and element Mo in the filtrate after filtering, and separating out element Ta and element Hf in the filter residue via acid dissolution after filtering. The method disclosed by the invention is simple in steps, convenient to realize, low in ...

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Номер записи: 1
27-03-2013 дата публикации

Regeneration method of high-temperature alloy wastes without rhenium

Номер: CN102994760A
Автор: Du Minghuan, Ma Guang, Wu Xian, Li Jin, Meng Hanqi, Cao Qigao, Wang Zhijun
Принадлежит:

The invention discloses a regeneration method of high-temperature alloy wastes without rhenium. The regeneration method comprises the following steps of: (1) carrying out atomizing treatment; (2) carrying out acid dissolving; (3) carrying out solid-liquid separation, thus obtaining filtrate a and filter residue b; (4) respectively carrying out treatment on the filtrate a and filter residue b, wherein adopting a solvent extraction method to separate Ni and Co elements from the filtrate a when the filtrate a is treated; the treating process of the filter residue b is as follows: 401, solid-phase roasting: adding alkali into the filter residue b to carry out solid-phase roasting, then carrying out crushing and water leaching on roasted materials and obtaining mixed liquid I and filtering; 402, carrying out separation on W and Mo elements; 403, carrying out acid dissolving; and 404, carrying out separation on Ta and Hf elements. The regeneration method disclosed by the invention has the advantages ...

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Номер записи: 2