发明名称 |
PREPARATION OF SODIUM ORTHOPHOSPHATE MIXTURES |
摘要 |
<p>PREPARATION OF SODIUM ORTHOPHOSPHATE MIXTURES A mixture of disodium and monosodium orthophosphate in a 2:1 mole ratio is prepared by sequentially reacting phosphoric acid with monohydrate process soda ash and caustic soda in a semi-solid reaction medium. Milled monohydrate process soda ash is contacted in less than stoichiometric proportions with phosphoric acid and the resultant orthophosphate containing reaction mixture is brought to a sodium to phosphorus mole ratio of about 1.67:1 by subsequent reaction with caustic soda. The final reaction product of mixed disodium and monosodium orthophosphate is suitable feedstock for conversion to sodium tripolyphosphate. C-5245</p> |
申请公布号 |
CA1119378(A) |
申请公布日期 |
1982.03.09 |
申请号 |
CA19800343570 |
申请日期 |
1980.01.14 |
申请人 |
STAUFFER CHEMICAL COMPANY |
发明人 |
POWERS, EDWARD J. |
分类号 |
C01B25/30;C01B25/41;(IPC1-7):C01B25/30 |
主分类号 |
C01B25/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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