Water treatment

Details Water treatment Water treatment

C - Chemistry, Metallurgy

23

F

134/35

C23F 14/02 (2006.01) C02F 5/14 (2006.01) C23F 11/167 (2006.01)

Patent

CA 1128402

WATER TREATMENT A B S T R A C T Potentially scale forming corrosive water systems are treated with threshold amounts of cyclic dimer of 1-hydroxyethan-1, 1-diphosphonic acid or its homologs. Dimer comprises a single 6 membered ring including 2 C-O-P bonds and is particularly effective in conjunction with other threshold agents, anti-corrosive agents, threshold synergist, polyelectrolytes and dispersants, and for treating water systems containing strong oxidising agents such as chromate.

316871

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