Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1982-12-02
1985-02-19
Hruskoci, Peter
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
606415, 210698, 422 12, C02F 508
Patent
active
045004340
ABSTRACT:
A method for inhibiting the precipitation of a scale, such as an iron silicate scale, from a hot aqueous brine solution, such as a geothermal brine, during production and handling of the brine wherein there is injected into the brine a brine-soluble acid in an amount sufficient to lower the pH of the brine from 0.1 to 0.3 pH units.
REFERENCES:
patent: 4224151 (1980-09-01), Jost
patent: 4319895 (1982-03-01), Kemmer
patent: 4405463 (1983-09-01), Jost et al.
Field Evaluation of Scale Control Methods: Acidification by J. Z. Grens and L. B. Owen of Lawrence Livermore Laboratory, Geothermal Resources Council, Transactions, vol. 1, May 1977.
Using Salton Sea Geothermal Brines for Electrical Power: A Review of Progress in Chemistry and Materials Technology--1976 Status by George E. Tardiff, May 31,1977, Lawrence Livermore Laboratory.
Determination of the Rate of Formation of Solids from Hypersaline Geothermal Brine as a Function of pH by J. E. Harrar, C. H. Otto, Jr., J. H. Hill, C. J. Morris, R. Lim, and S. B. Deutscher--Sep. 28, 1977, Lawrence Livermore Laboratory.
Gallup Darrell L.
Jost John W.
Franks Robert A.
Hruskoci Peter
Sandford Dean
Union Oil Company of California
Wirzbicki Gregory F.
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