发明授权
US3594123A Enhancement of gypsum crystal growth in wet-process phosphoric acid 失效
水溶性磷酸中水晶生长的增强

Enhancement of gypsum crystal growth in wet-process phosphoric acid
摘要:
IMPROVEMENTS IN WET-PROCESS PHOSPHRIC ACID SYSTEMS COMPRISING ADDING A COMPOSITION COMPRISING (1) AN ADDUCT OBTAINED BY REACTING ETHYLENE OXIDE WITH TALL OIL ROSIN; WITH OR WITHOUT (2) FATTY ACIDS, WHEREBY FOAM IS SUPPRESSED AND GYPSUM CRYSTAL GROWTH IS ENHANCED.
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