Process for receiving, storing and handling aluminum hydroxide w

Details Process for receiving, storing and handling aluminum hydroxide w Process for receiving, storing and handling aluminum hydroxide w

1979-07-11

1980-12-30

Hearn, Brian E.

Compositions

Preservative agents

Anti-corrosion

1062865, 252182, 252455Z, 252314, 423329, 423265, 423629, C09D 100, B01J 1300

Patent

active

042422230

ABSTRACT:
There is disclosed a process for receiving, storing and handling aluminum hydroxide wet hydrate, wherein the aluminum hydroxide wet hydrate is unloaded, optionally in batches, by means of a dumping means, e.g., a dump truck into a hopper which is equipped with a conveying means, e.g., a plate conveyor, the aluminum hydroxide wet hydrate supplied by means of a transporting apparatus, e.g., a double belt vertical conveyor, to a weighing means, e.g., a conveyor-type weigher and weighed, subsequently supplied to an aluminum hydroxide wet hydrate suspension tank, mixing the aluminum hydroxide wet hydrate in the tank with the amount of aqueous sodium hydroxide needed to produce a suspension of the aluminum hydroxide wet hydrate and producing a pumpable and meterable suspension of the aluminum hydroxide wet hydrate by heating to a temperature between 20.degree. and 100.degree. C. with the aid of a heating element and a stirrer.

REFERENCES:
patent: 2734796 (1956-02-01), Ashley
patent: 3860070 (1975-01-01), Herce
patent: 3954659 (1976-05-01), O'Brien
patent: 4052538 (1977-10-01), Eddy
patent: 4073867 (1978-02-01), Roebke
Chemical Abstracts, vol. 81, 1974, Nos. 54,135p, q.

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