Industrial waste-water reuse by selective silica removal over activated alumina
Patent
·
OSTI ID:6028082
Industrial waste-water, particularly cooling water containing water conditioning chemical additives, which heretofore has been discharged to the environment as blowdown because of high silica content, may now be treated for selective silica removal to condition it for reuse in industrial systems. It has been discovered that silica may be effectively and selectively removed from such waste-water streams without the consequential removal of its beneficial chemical conditioning additives by passing such water over activated alumina and thereafter returning it to the system from which it was withdrawn thereby maintaining the silica concentration in the system below its scale formation level.
- Assignee:
- IFI; EDB-82-012615
- Patent Number(s):
- US 4276180
- OSTI ID:
- 6028082
- Resource Relation:
- Patent File Date: Filed date 30 Nov 1979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ALUMINIUM OXIDES
ABSORPTION
SILICA
REMOVAL
WASTE WATER
WASTE PROCESSING
ADDITIVES
CHEMICAL ACTIVATION
COOLING SYSTEMS
RECYCLING
WATER POLLUTION CONTROL
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CONTROL
ENERGY SYSTEMS
HYDROGEN COMPOUNDS
LIQUID WASTES
MANAGEMENT
MINERALS
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
PROCESSING
SILICON COMPOUNDS
SILICON OXIDES
WASTE MANAGEMENT
WASTES
WATER
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management
ALUMINIUM OXIDES
ABSORPTION
SILICA
REMOVAL
WASTE WATER
WASTE PROCESSING
ADDITIVES
CHEMICAL ACTIVATION
COOLING SYSTEMS
RECYCLING
WATER POLLUTION CONTROL
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CONTROL
ENERGY SYSTEMS
HYDROGEN COMPOUNDS
LIQUID WASTES
MANAGEMENT
MINERALS
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
PROCESSING
SILICON COMPOUNDS
SILICON OXIDES
WASTE MANAGEMENT
WASTES
WATER
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management