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Studies of brine chemistry, precipitation of solids, and scale formation at the Salton Sea geothermal field

Description: Factors affecting the precipitation of solids and deposition of scale from the hypersaline brines of the Salton Sea geothermal field - two potential problems in the proposed utilization of these brines for electric power generation - were investigated. The average physical and chemical composition of the fluid from Magmamax No. 1 well was noted and the effects of changes in well flowrate on the chemistry of the brine and the formation of solids were determined. The effects of pH on the process stream chemistry and on the composition and rates of formation of solids and scale that precipitated from this brine were studied. Reduction of the pH from 6 to 4-5 decreased the scaling rates and increased the proportions of bariun sulfate and calcium fluoride in the scales and precipitated solids. These studies were conducted using a small-scale four-stage brine flash system constructed at the site.
Date: January 8, 1979
Creator: Harrar, J.E.; Otto, C.H. Jr.; Deutscher, S.B.; Ryon, R.W. & Tardiff, G.E.
Partner: UNT Libraries Government Documents Department