Technological process for the production of aluminum oxide
Aluminium oxide of 99.999% purity
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The process for production of superpure aluminum oxide consists of several stages:
- Dissolution of aluminum in isopropyl alcohol;
- Purification of the obtained aluminum isopropoxide;
Dissolution of aluminum is done in isopropyl alcohol. The reaction product is aluminum isopropoxide.
Aluminum isopropoxide undergoes a two-stage purification process.
|Purified aluminum isopropoxide (of 99.9999% purity) runs into a hydrolysis reactor.|
|Hydrolysis gives aluminum hydroxide|
|The produced aluminum hydroxide is dried up and poured into a special container.|
|Aluminum hydroxide is heated at several stages.|
|In this process aluminum hydroxide turns into gamma-phase aluminum oxide..|