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Method for lime stabilization of wastewater treatment plant sludges

Patent ·
OSTI ID:6455616
A method for the lime stabilization of wastewater sludge, includes the steps of dewatering sludge so as to produce a sludge cake containing from about 10 to 60% by weight of dry solids and rapidly and intimately mixing and reacting the sludge cake with calcium oxide so as to produce stabilized sludge pellets. An apparatus for performing the process is also provided.
Assignee:
Willow Technology Inc
Patent Number(s):
US 4306978
OSTI ID:
6455616
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
LIQUID WASTES
OXIDES
OXYGEN COMPOUNDS
REMOVAL
SLUDGES
STABILIZATION
WASTE PROCESSING PLANTS
WASTE WATER
WASTES
WATER
WATER REMOVAL