RU93002430A - METHOD FOR EXPIRATING ALUMINATE SOLUTIONS - Google Patents

METHOD FOR EXPIRATING ALUMINATE SOLUTIONS

Info

Publication number
RU93002430A
RU93002430A RU93002430/26A RU93002430A RU93002430A RU 93002430 A RU93002430 A RU 93002430A RU 93002430/26 A RU93002430/26 A RU 93002430/26A RU 93002430 A RU93002430 A RU 93002430A RU 93002430 A RU93002430 A RU 93002430A
Authority
RU
Russia
Prior art keywords
stage
desiliconization
lime
alumina
expirating
Prior art date
Application number
RU93002430/26A
Other languages
Russian (ru)
Other versions
RU2056357C1 (en
Inventor
В.Н. Афанасьев
З.Н. Александрова
А.Г. Жуков
Е.А. Беликов
Е.А. Исаков
А.А. Кузнецов
Н.А. Кузьмин
С.Н. Макаров
В.И. Чернов
Original Assignee
Акционерное общество - Пикалевское объединение "Глинозем"
Filing date
Publication date
Application filed by Акционерное общество - Пикалевское объединение "Глинозем" filed Critical Акционерное общество - Пикалевское объединение "Глинозем"
Priority to RU93002430A priority Critical patent/RU2056357C1/en
Priority claimed from RU93002430A external-priority patent/RU2056357C1/en
Publication of RU93002430A publication Critical patent/RU93002430A/en
Application granted granted Critical
Publication of RU2056357C1 publication Critical patent/RU2056357C1/en

Links

Claims (1)

Для получения глинозема высших марок по содержанию кремнезема предусмотрено 2-стадийное обескремнивание алюминатных растворов, 2-я стадия (глубокое обескремнивание) - в присутствии интенсифицирующей добавки (известковое молоко), которая готовится гашением извести водой, что связано с большими тепло - и энергозатратами, а при обескремнивании - со значительными потерями компонентов. Предложенный способ предусматривает гашение извести алюмощелочным раствором с преобладанием каустической щелочи. В результате получается интенсифицирующая добавка для обескремнивания в виде высокодисперсной, сильногидратированной известково-щелочной суспензии, которая может непосредственно подаваться на 2-ю стадию обескремнивания или же после смешения с алюминатным раствором в виде карболюминатной суспензии.For alumina of higher grades in silica content, 2-stage desiliconization of aluminate solutions is provided, 2nd stage (deep desiliconization) - in the presence of an intensifying additive (lime milk), which is prepared by slaking lime with water, which is associated with large heat and energy consumption when desilicated - with significant loss of components. The proposed method involves the extinguishing of lime alumina alkaline solution with a predominance of caustic alkali. The result is an intensifying additive for desiliconization in the form of a highly dispersed, strongly hydrated calc-alkaline suspension, which can be directly supplied to the 2nd stage of desalination or, after mixing with the aluminate solution, in the form of a carboluminate suspension.
RU93002430A 1993-01-12 1993-01-12 Method of aluminate solution desiliconization RU2056357C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93002430A RU2056357C1 (en) 1993-01-12 1993-01-12 Method of aluminate solution desiliconization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93002430A RU2056357C1 (en) 1993-01-12 1993-01-12 Method of aluminate solution desiliconization

Publications (2)

Publication Number Publication Date
RU93002430A true RU93002430A (en) 1995-03-10
RU2056357C1 RU2056357C1 (en) 1996-03-20

Family

ID=20135690

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93002430A RU2056357C1 (en) 1993-01-12 1993-01-12 Method of aluminate solution desiliconization

Country Status (1)

Country Link
RU (1) RU2056357C1 (en)

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