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发明名称
RE-POST PRECIPITATION CONTROL
摘要
Prevention of re-post precipitation in concentrated wet process phosphoric acid by heating the acid at 55 DEG to 85 DEG C. thereby to dissolve solids without substantial re-post precipitation.
申请公布号
ZA8003504(B)
申请公布日期
1981.07.29
申请号
ZA19800003504
申请日期
1980.06.12
申请人
W R GRACE & CO
发明人
HILL R
分类号
C01B25/235
主分类号
C01B25/235
代理机构
代理人
主权项
地址
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