IMPROVED METHOD FOR PRODUCING CRYSTALLINE CARBOXYLIC ACIDS AND APPARATUS THEREFOR
摘要
Improved process for producing purified aromatic carboxylic acid in the form of dried crystals which comprises cooling the crystals in a fluidized state after the drying step to a temperature at or below 100 DEG C prior to packaging and an apparatus therefor.
申请公布号
WO9845238(A1)
申请公布日期
1998.10.15
申请号
WO1998US07181
申请日期
1998.04.08
申请人
E.I. DU PONT DE NEMOURS AND COMPANY;BRISTOW, MARK, ANTHONY;DEAN, RICHARD, PAUL