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Method for inhibiting silica precipitation and scaling in geothermal flow systems

Patent ·
OSTI ID:5200839
; ;
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.
Assignee:
Department Of Energy
Patent Number(s):
US 4328106
OSTI ID:
5200839
Country of Publication:
United States
Language:
English

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Related Subjects

15 GEOTHERMAL ENERGY
150903* -- Geothermal Engineering-- Corrosion
Scaling & Materials Development
ADDITIVES
BRINES
CHALCOGENIDES
COLLOIDS
CONTROL
DISPERSIONS
FLUIDS
GEOTHERMAL FLUIDS
GEOTHERMAL WELLS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
INHIBITION
INJECTION WELLS
INORGANIC ACIDS
MINERALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PARTICLES
PHOSPHONATES
PRECIPITATION
SCALE CONTROL
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SURFACES
WELLS