On-line tests of organic additives for the inhibition of the precipitation of silica from hypersaline geothermal brine [electronic resource]
Geothermal Legacy.
Saved in:
| Online Access: |
Online Access |
|---|---|
| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Livermore, Calif : Oak Ridge, Tenn. :
Lawrence Livermore National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1979.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a On-line tests of organic additives for the inhibition of the precipitation of silica from hypersaline geothermal brine |h [electronic resource] |
| 260 | |a Livermore, Calif : |b Lawrence Livermore National Laboratory ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1979. | ||
| 300 | |a Pages: 27 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 04/03/1979. | ||
| 500 | |a "ucid-18091" | ||
| 500 | |a Harrar, J.E.; Lorensen, L.E.; Locke, F.E.; Otto, C.H. Jr.; Deutscher, S.B.; Frey, W.P.; Lim, R. | ||
| 520 | 3 | |a A number of compounds have been screened as potential scale control agents by examining their effect on the precipitation of silica from Magmamax No. 1 brine. The substances were tested using the Lawrence Livermore Laboratory scale-control test system at the Niland, California, test site. Solutions of the test substances were injected into flowing brine at approx. 200°C, the brine was flashed at 125°C, and then the kinetics of solids and silica precipitation from effluent brine held at 90°C were measured. Compounds tested include a variety of cellulose derivatives, ethylene oxide polymers, several polyethoxylated surfactants, and a phosphonate. The ethylene oxide moiety was confirmed as the source of activity in substances that inhibit the precipitation of silica at 90°C, and the polyethylene glycols in the molecular weight range of approximately 10,000 to 100,000 are the most effective. A brief, in-plant scaling test with the most promising precipitation inhibitor showed that, although it significantly retarded scaling at 90°C, there was no improvement at 125°C or higher, and at 125°C there may have been a slight increase in scaling rate. | |
| 520 | 0 | |a Geothermal Legacy. | |
| 536 | |b W-7405-ENG-48. | ||
| 650 | 7 | |a Phosphates. |2 local. | |
| 650 | 7 | |a Silica. |2 local. | |
| 650 | 7 | |a Surfactants. |2 local. | |
| 650 | 7 | |a Organic Compounds. |2 local. | |
| 650 | 7 | |a Geothermal Fluids. |2 local. | |
| 650 | 7 | |a Chlorine Compounds. |2 local. | |
| 650 | 7 | |a Turbomachinery. |2 local. | |
| 650 | 7 | |a Silicon Oxides. |2 local. | |
| 650 | 7 | |a Polymers. |2 local. | |
| 650 | 7 | |a Separation Processes. |2 local. | |
| 650 | 7 | |a Brines. |2 local. | |
| 650 | 7 | |a Precipitation. |2 local. | |
| 650 | 7 | |a Turbines. |2 local. | |
| 650 | 7 | |a Oxygen Compounds. |2 local. | |
| 650 | 7 | |a Organic Polymers. |2 local. | |
| 650 | 7 | |a Aluminium Chlorides. |2 local. | |
| 650 | 7 | |a Scale Control. |2 local. | |
| 650 | 7 | |a Minerals. |2 local. | |
| 650 | 7 | |a Fluids. |2 local. | |
| 650 | 7 | |a Halogen Compounds. |2 local. | |
| 650 | 7 | |a Halides. |2 local. | |
| 650 | 7 | |a Corrosion Protection. |2 local. | |
| 650 | 7 | |a Potassium Compounds. |2 local. | |
| 650 | 7 | |a Evaporation. |2 local. | |
| 650 | 7 | |a Scaling. |2 local. | |
| 650 | 7 | |a Chlorides. |2 local. | |
| 650 | 7 | |a Polyethylene Glycols. |2 local. | |
| 650 | 7 | |a Aluminium Compounds. |2 local. | |
| 650 | 7 | |a Silicon Compounds. |2 local. | |
| 650 | 7 | |a Potassium Phosphates. |2 local. | |
| 650 | 7 | |a Additives. |2 local. | |
| 650 | 7 | |a Corrosion Inhibitors. |2 local. | |
| 650 | 7 | |a Test Facilities. |2 local. | |
| 650 | 7 | |a Phosphorus Compounds. |2 local. | |
| 650 | 7 | |a Flashing. |2 local. | |
| 650 | 7 | |a Alkali Metal Compounds. |2 local. | |
| 650 | 7 | |a Oxides. |2 local. | |
| 650 | 7 | |a Phase Transformations. |2 local. | |
| 650 | 7 | |a Chalcogenides. |2 local. | |
| 650 | 7 | |a Geothermal Energy. |2 edbsc. | |
| 710 | 2 | |a Lawrence Livermore National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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