反应详情

adding water to the dehydrator bottoms stream to convert a portion of the maleic anhydride to fumaric acid and then cooling the dehydrator bottoms stream comprising molten maleic anhydride, entrainer, and fumaric acid to a temperature of about 250° F. to about 310° F. to precipitate the fumaric acid and form a slurry of fumaric acid in molten maleic acid;

1. temperaturecooling the dehydrator
2. customto a temperature of about 250° F. to about 310° F.
3. customto precipitate the fumaric acid