发明公开
- 专利标题： INHIBITION OF CALCIUM OXALATE SCALE IN AQUEOUS BASED SOLUTIONS
- 专利标题（中）： 预防在水溶液中的草酸钙
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申请号： EP98911491申请日： 1998-02-05
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公开(公告)号： EP0975551A4公开(公告)日： 2001-01-17
- 发明人: PALARDY WILLIAM J , DIANGELO NANCY A
- 申请人： BETZDEARBORN INC
- 专利权人： BETZDEARBORN INC
- 当前专利权人： BETZDEARBORN INC
- 优先权： US80127297 1997-02-18
- 主分类号： C02F5/10
- IPC分类号： C02F5/10 ; C02F5/14 ; C02F5/00
摘要：
A method of inhibiting the precipitation and deposition of calcium oxalate scale in an aqueous system is disclosed, in which an effective amount of a combination of a high molecular weight lignosulfonate compound and a phosphate compound is added to the system.
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