Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1986-05-19
1987-04-28
Sadowski, David
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
252180, C02F 510
Patent
active
046612610
ABSTRACT:
A method of stabilizing alumina precipitates in industrial waters has been discovered. The method involves the addition to industrial water of effective amounts of low molecular weight multi-functional carboxylic acids, particularly citric acid and its water soluble salts.
REFERENCES:
patent: 3463730 (1969-08-01), Booth et al.
patent: 3898037 (1975-08-01), Lange et al.
patent: 4443340 (1984-04-01), May et al.
Epple Donald G.
Nalco Chemical Company
Peterson Jeffrey W.
Premo John G.
Sadowski David
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