Process for the granulation of precipitation products formed fro

Details Process for the granulation of precipitation products formed fro Process for the granulation of precipitation products formed fro

1981-04-29

1983-07-19

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

C01C 102

Patent

active

043943632

ABSTRACT:
A process for the granulation of precipitation products, formed from the reaction of ammonium compounds with alkaline-earth compounds, by introducing into the bottom of a reaction chamber an ammonium and alkaline-earth compound such that the alkaline-earth compound in aqueous solution is immediately and intimately mixed with the ammonium compound to form alkaline-earth compound precipitation products in the form of hard granules which are difficultly soluble in water. The alkaline-earth precipitation products are easily withdrawn from the bottom of the reaction chamber without forming a lime sludge which is difficult to remove.

REFERENCES:
patent: 2935840 (1960-05-01), Schoppe
patent: 3231413 (1966-01-01), Berquin
patent: 3304249 (1967-02-01), Katz
patent: 3632257 (1972-01-01), Ashizawa
patent: 3700461 (1972-10-01), Dickens, Jr.
patent: 3849233 (1974-11-01), Lykov et al.
patent: 4088745 (1978-05-01), Godel
patent: 4111759 (1978-09-01), Didycz et al.
patent: 4183763 (1980-01-01), Omilinsky et al.
patent: 4294812 (1981-10-01), Oler

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