Method for lime stabilization of wastewater treatment plant sludges

Patent · Tue Dec 22 00:00:00 EST 1981

OSTI ID:6455616

Wurtz, W O

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
• Resource Relation: Patent File Date: Filed date 14 Jul 1980; Other Information: PAT-APPL-167864
• Country of Publication: United States
• Language: English

Related Subjects

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