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Method for inhibiting silica precipitation and scaling in geothermal flow systems

Patent ·
OSTI ID:6485163
; ;
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.
DOE Contract Number:
W-7405-ENG-48
Assignee:
Dept. of Energy
Patent Number(s):
None
OSTI ID:
6485163
Country of Publication:
United States
Language:
English

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Related Subjects

15 GEOTHERMAL ENERGY
150903* -- Geothermal Engineering-- Corrosion
Scaling & Materials Development
ALLOYS
AMINES
AMMONIUM COMPOUNDS
BRINES
CHALCOGENIDES
CHLORIDES
CHLORINE COMPOUNDS
CONTROL
CORROSION INHIBITORS
CORROSIVE EFFECTS
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
GEOTHERMAL FLUIDS
HALIDES
HALOGEN COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
IMINES
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYTETRAFLUOROETHYLENE
PRECIPITATION
SCALE CONTROL
SCALING
SEPARATION PROCESSES
SILICA
SILICON COMPOUNDS
SILICON OXIDES
STEELS
SYNTHETIC MATERIALS
TEFLON