Method for manufacture of products containing disalts of formic acid
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United States of America Patent
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Oct 24, 2000
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N/A
app pub date -
Feb 26, 1998
filing date -
May 12, 1995
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Abstract
A method for manufacture of products containing disalts of formic acid. Potassium hydroxide, carbonate, bicarbonate or formate, sodium hydroxide, carbonate, bicarbonate for formate, cesium hydroxide, carbonate, bicarbonate or formate or ammonium formate or ammonia is mixed with formic acid at 40-100.degree. C., the mixture is cooled and centrifuged. The filtrate containing acid salt is collected. The filter cake is transported to a drier/mixer where other disalts, calcium formate and/or a desiccant can be added.
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