RU93006354A - METHOD OF EXTRACTING SCANDIUM FROM RED SLUDGE OF ALUMINUM PRODUCTION - Google Patents

METHOD OF EXTRACTING SCANDIUM FROM RED SLUDGE OF ALUMINUM PRODUCTION

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Publication number
RU93006354A
RU93006354A RU93006354/02A RU93006354A RU93006354A RU 93006354 A RU93006354 A RU 93006354A RU 93006354/02 A RU93006354/02 A RU 93006354/02A RU 93006354 A RU93006354 A RU 93006354A RU 93006354 A RU93006354 A RU 93006354A
Authority
RU
Russia
Prior art keywords
aluminum production
red sludge
extracting scandium
extraction
concentration
Prior art date
Application number
RU93006354/02A
Other languages
Russian (ru)
Other versions
RU2040587C1 (en
Inventor
В.Н. Диев
С.П. Яценко
В.С. Анашкин
Н.А. Сабирзянов
Original Assignee
В.Н. Диев
С.П. Яценко
В.С. Анашкин
Н.А. Сабирзянов
Filing date
Publication date
Application filed by В.Н. Диев, С.П. Яценко, В.С. Анашкин, Н.А. Сабирзянов filed Critical В.Н. Диев
Priority to RU93006354A priority Critical patent/RU2040587C1/en
Priority claimed from RU93006354A external-priority patent/RU2040587C1/en
Application granted granted Critical
Publication of RU2040587C1 publication Critical patent/RU2040587C1/en
Publication of RU93006354A publication Critical patent/RU93006354A/en

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Claims (1)

Способ относится к комплексной переработке бокситов, в частности к извлечению ценных компонентов из красного шлама глиноземного производства. Предлагаемый способ включает обработку красного шлама соляной кислотой 3 - 5%-ной концентрации при комнатной температуре и отношении Т:Ж = 1:5 oC 10, а затем последующую обработку серной кислотой 50 - 55%-ной концентрации при 100 - 110°С и отношении Т:Ж = 1:6 oC 8. Способ позволяет при сохранении высокой степени извлечения скандия (90,1 - 91,5%) получать растворы значительно более чистые по сопутствующим компонентам, таким, как железо, алюминий, титан, кремний.The method relates to the complex processing of bauxite, in particular to the extraction of valuable components from the red mud of alumina production. The proposed method involves treating red mud with hydrochloric acid of 3–5% concentration at room temperature and a T: W ratio = 1: 5 o C 10, and then subsequent treatment with sulfuric acid of 50–55% concentration at 100–110 ° C and the relation T: W = 1: 6 o C 8. The method allows, while maintaining a high degree of extraction of scandium (90.1 - 91.5%), to obtain solutions that are much cleaner for the accompanying components, such as iron, aluminum, titanium, silicon .
RU93006354A 1993-02-03 1993-02-03 Method for extraction of scandium from alumina production red sludge RU2040587C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93006354A RU2040587C1 (en) 1993-02-03 1993-02-03 Method for extraction of scandium from alumina production red sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93006354A RU2040587C1 (en) 1993-02-03 1993-02-03 Method for extraction of scandium from alumina production red sludge

Publications (2)

Publication Number Publication Date
RU2040587C1 RU2040587C1 (en) 1995-07-25
RU93006354A true RU93006354A (en) 1995-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU93006354A RU2040587C1 (en) 1993-02-03 1993-02-03 Method for extraction of scandium from alumina production red sludge

Country Status (1)

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RU (1) RU2040587C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2581327C1 (en) * 2015-01-19 2016-04-20 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Method of extracting scandium from red mud from alumina production

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