PROCESS FOR PREPARING CALCIUM FORMIATE Russian patent published in 1996 - IPC

Abstract RU 2057113 C1

FIELD: chemical industry. SUBSTANCE: aqueous formaldehyde is reacted with calcium hydroxide at 60-70 C in the presence of boric acid or borax; the calcium hydroxide to acid weight ratio is 1:0.09. The process is carried out till formaldehyde is completely eliminated. Calcium hydroxide is preferable metallurgical lime in the form of lime milk. EFFECT: more efficient preparation process. 2 cl, 1 tbl

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RU 2 057 113 C1

Authors

Kabakova Z.I.

Agarkina E.N.

Krank E.I.

Nakrokhin V.B.

Dates

1996-03-27Published

1992-10-29Filed