Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1991-10-24
1993-06-22
Hruskoci, Peter
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
210700, 252180, C02F 514
Patent
active
052214877
ABSTRACT:
A method is disclosed for inhibiting or preventing the formation of scale on surfaces in contact with an aqueous system comprising adding to the system an amount effective to inhibit scale formation of a sulfonated organophosphonate compound having the formula: ##STR1## wherein n is an integer from 3 to 10 X is OH or NH.sub.2 ; and water soluble salts thereof.
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Barr James P.
Hruskoci Peter
W. R. Grace & Co.,-Conn.
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