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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.

Inventors:
 [1];  [2];  [3]
  1. Castro Valley, CA
  2. Orinda, CA
  3. Lafayette, CA
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
864200
Patent Number(s):
4328106
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23F - NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; inhibiting; silica; precipitation; scaling; geothermal; flow; systems; on-line; injection; concentrations; cationic; nitrogen-containing; compounds; particularly; polymeric; imines; amines; quaternary; ammonium; containing compound; quaternary ammonium; containing compounds; nitrogen-containing compounds; flow systems; geothermal flow; inhibiting silica; nitrogen-containing compound; /210/252/423/

Citation Formats

Harrar, Jackson E, Lorensen, Lyman E, and Locke, Frank E. Method for inhibiting silica precipitation and scaling in geothermal flow systems. United States: N. p., 1982. Web.
Harrar, Jackson E, Lorensen, Lyman E, & Locke, Frank E. Method for inhibiting silica precipitation and scaling in geothermal flow systems. United States.
Harrar, Jackson E, Lorensen, Lyman E, and Locke, Frank E. Fri . "Method for inhibiting silica precipitation and scaling in geothermal flow systems". United States. https://www.osti.gov/servlets/purl/864200.
@article{osti_864200,
title = {Method for inhibiting silica precipitation and scaling in geothermal flow systems},
author = {Harrar, Jackson E and Lorensen, Lyman E and Locke, Frank 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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1982},
month = {1}
}

Patent:

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