Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1997-02-18
1998-05-26
Hruskoci, Peter A.
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
210698, 252180, 252181, 435161, C02F 514
Patent
active
057559716
ABSTRACT:
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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DiAngelo Nancy A.
Palardy William J.
BetzDearborn Inc.
Hruskoci Peter A.
Morrison Betsey J.
Paikoff Richard A.
Ricci Alexander D.
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