Production of calcium carbonate

Details Production of calcium carbonate Production of calcium carbonate

1975-02-10

1977-04-19

Vertiz, Oscar R.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

423165, C01F 1118

Patent

active

040188779

ABSTRACT:
Calcium carbonate is manufactured by the carbonation of an aqueous suspension of calcium hydroxide in the presence of a complex-forming agent for calcium ions which is added subsequently to the primary nucleation stage, and preferably during a first carbonation stage. Optionally there is also added a long-chain fatty acid or long-chain fatty acid salt, preferably after a final carbonation stage.

REFERENCES:
patent: 2927091 (1960-03-01), Lissett
patent: 3126253 (1964-03-01), Podschus
patent: 3133824 (1964-05-01), Podschus
patent: 3347624 (1967-10-01), Taylor
patent: 3443890 (1969-05-01), Sisson

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