Briefly explain the production process of activated alumina

Briefly explain the production process of activated alumina




First, ALCl3+NH4OH is mixed;

Second, precipitation;

Third, the precipitate of ALCl3+NH4OH is aged between pH 8-9 for a certain period of time;

Fourth, filtering;

Fifth, washing;

Sixth, the acid cake is acidified;

Seventh, basic molding;

Eighth, make it dry;

Ninth, carry out burning;

Finally, the activated alumina ball (AL2O3) was made.

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