发明名称 |
Control of sulfates in membrane cell chlor-alkali process |
摘要 |
Method of addition of calcium ions to salt-depleted brine prior to resaturation, wherein the concentration of sulfate impurity is controlled. The invention relates to a process for the electrolysis of aqueous alkali metal chloride solutions to produce chlorine and high purity alkali metal hydroxide solutions.
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申请公布号 |
US4586993(A) |
申请公布日期 |
1986.05.06 |
申请号 |
US19850739730 |
申请日期 |
1985.05.31 |
申请人 |
STEARNS CATALYTIC WORLD CORPORATION |
发明人 |
O'BRIEN, THOMAS F. |
分类号 |
C25B15/08;(IPC1-7):C25B1/16 |
主分类号 |
C25B15/08 |
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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