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Bio-leaching of toxic metals from geothermal waste. A preliminary engineering analysis

Description: The feasibility of a biological facility to treat geothermal sludge from a base case 50-MW double-flash geothermal power plant in the Imperial Valley, California was evaluated. The effect of sludge and nutrient concentration, agitation air bubbling and sterility on the rate of metal solubilization by the bacteria Thiobacillus thiooxidans and ferrooxidans was examined. All experiments were performed in batch flasks and monitored daily for bacterial growth. T. Thiooxidans leached 36% of the zinc … more
Date: February 1, 1986
Creator: Dobryn, D. G.; Brisson, A. L.; Lee, C. M. & Roll, S. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Chemical behaviour of geothermal silica after precipitation from geothermal fluids with inorganic flocculating agents at the Hawaii Geothermal Project Well-A (HGP-A)

Description: The report summarizes the results of experiments dealing with the problem of removal of waste-silica from spent fluids at the experimental power generating facility in the Puna District of the island of Hawaii. Geothermal discharges from HGP-A represent a mixture of meteoric and seawaters which has reacted at depth with basalts from the Kilauea East Rift Zone under high pressure and temperature. After separation of the steam phase of the geothermal fluid from the liquid phase and a final flashi… more
Date: January 1, 1987
Creator: De Carlo, E.H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

DOE Geothermal Program Review - Critique on Production

Description: I think it is wonderful that our Country can support research projects. Innovations and the development of cost-effective technology is a strategic issue for our industry. We all know that this is important--in fact, required to keep the industry healthy. The objective must be to continuously develop technology which will do things better for less money. This is the ultimate goal of research. I've been asked to comment on production research issues. And so, I will limit my discussion to just th… more
Date: March 24, 1992
Creator: Jung, Douglas B.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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