JPS6445717A - Production of basic aluminum chloride - Google Patents
Production of basic aluminum chlorideInfo
- Publication number
- JPS6445717A JPS6445717A JP62201926A JP20192687A JPS6445717A JP S6445717 A JPS6445717 A JP S6445717A JP 62201926 A JP62201926 A JP 62201926A JP 20192687 A JP20192687 A JP 20192687A JP S6445717 A JPS6445717 A JP S6445717A
- Authority
- JP
- Japan
- Prior art keywords
- hydrate
- dissolved
- alumina hydrate
- stability
- aluminum chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
PURPOSE:To contrive to reduce cost of installation and to improve shelf stability and aggregation properties of product, by specifying temperature, pH and slurry concentration in neutralizing sodium aluminate and further dissolution temperature of amorphous alumina hydrate in hydrochloric acid. CONSTITUTION:Sodium aluminate and a mineral acid are continuously fed to a tank and alumina hydrate is formed by maintaining slurry in the tank at pH 4.5-7.5 at <=30 deg.C and <=3wt.% calculated as Al2O3 of alumina hydrate. The formed alumina hydrate is dissolved in hydrochloric acid at 20-50 deg.C to give basic aluminum chloride. In the operation, the slurry concentration may be <=3wt.% and facilities can be miniaturized. When pH is <4.5, the hydrate partially exists in a dissolved state to cause loss. When pH >7.5, solubility is deteriorated and the liquid becomes pasty. When hydrolysis temperature exceeds 30 deg.C, the hydrate is slightly dissolved in the acid, stability and aggregation performance of the dissolved solution are deteriorated. When the dissolution temperature of the hydrate is <=20 deg.C, the hydrate will not be dissolved and when >=50 deg.C, stability of the prepared solution is decrease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62201926A JPS6445717A (en) | 1987-08-14 | 1987-08-14 | Production of basic aluminum chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62201926A JPS6445717A (en) | 1987-08-14 | 1987-08-14 | Production of basic aluminum chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445717A true JPS6445717A (en) | 1989-02-20 |
Family
ID=16449084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62201926A Pending JPS6445717A (en) | 1987-08-14 | 1987-08-14 | Production of basic aluminum chloride |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6186528B1 (en) * | 2017-03-21 | 2017-08-23 | 朝日化学工業株式会社 | Method for producing basic aluminum chloride |
-
1987
- 1987-08-14 JP JP62201926A patent/JPS6445717A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6186528B1 (en) * | 2017-03-21 | 2017-08-23 | 朝日化学工業株式会社 | Method for producing basic aluminum chloride |
| JP2018154543A (en) * | 2017-03-21 | 2018-10-04 | 朝日化学工業株式会社 | Method for producing basic aluminum chloride |
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