发明名称 |
Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling |
摘要 |
The invention is a method for preparing a stabilized aqueous alkali or alkaline earth metal hypobromite solution. The method comprises the steps of: a. Mixing an aqueous solution of alkali or alkaline earth metal hypochlorite having from about 5 percent to about 70 percent available halogen as chlorine with a water soluble bromide ion source; b. Allowing the bromide ion source and the alkali or alkaline earth metal hypochlorite to react to form a 0.5 to 70 percent by weight aqueous solution of unstabilized alkali or alkaline earth metal hypobromite; c. Adding to the unstabilized solution of alkali or alkaline earth metal hypobromite an aqueous solution of an alkali metal sulfamate in a quantity to provide a molar ratio of alkali metal sulfamate to alkali or alkaline earth metal hypobromite is from about 0.5 to about 7; and, d. Recovering a stabilized aqueous alkali or alkaline earth metal hypobromite solution.
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申请公布号 |
US6136205(A) |
申请公布日期 |
2000.10.24 |
申请号 |
US19990305892 |
申请日期 |
1999.05.05 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
DALLMIER, ANTHONY W.;MCCOY, WILLIAM F.;YANG, SHUNONG |
分类号 |
D06L3/06;A01N59/08;A61L2/18;C01B11/20;C02F1/50;C02F1/76;C11D3/02;C11D3/20;C11D3/33;C11D3/34;C11D3/395;C11D3/48;D21C9/12;(IPC1-7):C02F1/76 |
主分类号 |
D06L3/06 |
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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