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Title: Method for inhibiting silica precipitation and scaling in geothermal flow systems

Abstract

A method for inhibiting silica scaling and precipitation in geothermal flow systems by on-line injection of low concentrations of cationic nitrogen-containing compounds, particularly polymeric imines, polymeric amines, and quaternary ammonium compounds is described.

Inventors:
; ;
Issue Date:
OSTI Identifier:
6485163
Assignee:
Dept. of Energy
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY; BRINES; CORROSIVE EFFECTS; SCALE CONTROL; GEOTHERMAL FLUIDS; SILICA; PRECIPITATION; AMINES; AMMONIUM COMPOUNDS; CHLORIDES; CORROSION INHIBITORS; IMINES; ORGANIC NITROGEN COMPOUNDS; POLYMERS; SCALING; STEELS; TEFLON; ALLOYS; CHALCOGENIDES; CHLORINE COMPOUNDS; CONTROL; FLUIDS; FLUORINATED ALIPHATIC HYDROCARBONS; HALIDES; HALOGEN COMPOUNDS; HALOGENATED ALIPHATIC HYDROCARBONS; IRON ALLOYS; IRON BASE ALLOYS; MATERIALS; MINERALS; ORGANIC COMPOUNDS; ORGANIC FLUORINE COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; ORGANIC POLYMERS; OXIDES; OXYGEN COMPOUNDS; PETROCHEMICALS; PETROLEUM PRODUCTS; PLASTICS; POLYETHYLENES; POLYOLEFINS; POLYTETRAFLUOROETHYLENE; SEPARATION PROCESSES; SILICON COMPOUNDS; SILICON OXIDES; SYNTHETIC MATERIALS; 150903* - Geothermal Engineering- Corrosion, Scaling & Materials Development

Citation Formats

Harrar, J E, Lorensen, L E, and Locke, F E. Method for inhibiting silica precipitation and scaling in geothermal flow systems. United States: N. p., 1980. Web.
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Harrar, J E, Lorensen, L E, & Locke, F E. Method for inhibiting silica precipitation and scaling in geothermal flow systems. United States.
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Harrar, J E, Lorensen, L E, and Locke, F E. Fri . "Method for inhibiting silica precipitation and scaling in geothermal flow systems". United States.
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@article{osti_6485163,
title = {Method for inhibiting silica precipitation and scaling in geothermal flow systems},
author = {Harrar, J E and Lorensen, L E and Locke, F E},
abstractNote = {A method for inhibiting silica scaling and precipitation in geothermal flow systems by on-line injection of low concentrations of cationic nitrogen-containing compounds, particularly polymeric imines, polymeric amines, and quaternary ammonium compounds is described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jun 13 00:00:00 EDT 1980},
month = {Fri Jun 13 00:00:00 EDT 1980}
}
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