RU96113071A - METHOD FOR PRODUCING ALUMINUM HYDROXIDE - Google Patents

METHOD FOR PRODUCING ALUMINUM HYDROXIDE

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Publication number
RU96113071A
RU96113071A RU96113071/25A RU96113071A RU96113071A RU 96113071 A RU96113071 A RU 96113071A RU 96113071/25 A RU96113071/25 A RU 96113071/25A RU 96113071 A RU96113071 A RU 96113071A RU 96113071 A RU96113071 A RU 96113071A
Authority
RU
Russia
Prior art keywords
aluminum hydroxide
producing aluminum
solution
aluminate
equal
Prior art date
Application number
RU96113071/25A
Other languages
Russian (ru)
Other versions
RU2124478C1 (en
Inventor
В.Б. Мельников
В.И. Вершинин
Original Assignee
В.Б. Мельников
Filing date
Publication date
Application filed by В.Б. Мельников filed Critical В.Б. Мельников
Priority to RU96113071/25A priority Critical patent/RU2124478C1/en
Priority claimed from RU96113071/25A external-priority patent/RU2124478C1/en
Publication of RU96113071A publication Critical patent/RU96113071A/en
Application granted granted Critical
Publication of RU2124478C1 publication Critical patent/RU2124478C1/en

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Claims (1)

1. Способ получения гидроксида алюминия путем разложения водного алюминатного раствора перекисью водорода с последующим выделением целевого продукта, отличающийся тем, что в качестве алюминатного раствора используют раствор алюмината натрия с мольным отношением Al2O3/Na2O, равным 0,5 - 2,0 и концентрацией по Al2O3 1 - 50 мас.%, процесс ведут при температуре 0 - 30oC и мольном отношении алюмината натрия к перекиси водорода в расчете на Al2O3, равным 0,02 - 0,15, образующийся оксид алюминия псевдобемитной структуры выделяют и промывают дистиллированной водой при температуре 0 - 30oC до pH 7 - 8.1. The method of producing aluminum hydroxide by decomposition of an aqueous aluminate solution with hydrogen peroxide, followed by separation of the target product, characterized in that as an aluminate solution using a solution of sodium aluminate with a molar ratio of Al 2 O 3 / Na 2 O equal to 0.5 to 2, 0 and a concentration of Al 2 O 3 1 - 50 wt.%, The process is carried out at a temperature of 0 - 30 o C and a molar ratio of sodium aluminate to hydrogen peroxide based on Al 2 O 3 equal to 0.02 - 0.15, the resulting pseudoboehmite alumina is isolated and washed with distilled in Doi at a temperature of 0 - 30 o C until pH 7 - 8.
RU96113071/25A 1996-07-01 1996-07-01 Aluminum hydroxide production process RU2124478C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96113071/25A RU2124478C1 (en) 1996-07-01 1996-07-01 Aluminum hydroxide production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96113071/25A RU2124478C1 (en) 1996-07-01 1996-07-01 Aluminum hydroxide production process

Publications (2)

Publication Number Publication Date
RU96113071A true RU96113071A (en) 1998-10-27
RU2124478C1 RU2124478C1 (en) 1999-01-10

Family

ID=20182566

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96113071/25A RU2124478C1 (en) 1996-07-01 1996-07-01 Aluminum hydroxide production process

Country Status (1)

Country Link
RU (1) RU2124478C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304294C (en) * 2004-08-03 2007-03-14 中国科学院过程工程研究所 Big pore volume and high specific surface gamma-Al2O3 nanometer fibre powder preparation method
CN1319862C (en) * 2005-01-13 2007-06-06 中国科学院过程工程研究所 Method for preparing pseudoboehmite

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