Process for the preparation of solid sodium hydrogen cyanamide

Details Process for the preparation of solid sodium hydrogen cyanamide Process for the preparation of solid sodium hydrogen cyanamide

1986-07-16

1987-12-22

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

C01C 316

Patent

active

047146028

ABSTRACT:
The present invention relates to a process for the preparation of solid sodium hydrogen cyanamide by reacting cyanamide with sodium hydroxide in aqueous solution, the aqueous solution or suspension containing sodium hydrogen cyanamide being concentrated to dryness with the aid of a drier device which uses heating gases, preferably, a spray drier or atomization drier, and, if appropriate, the product then being dried. A pulverulent product with good flow properties, purity and storage stability is thereby obtained in an industrially simple manner.

REFERENCES:
patent: 2557997 (1951-06-01), Phelps et al.

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