Deodorization of sewage sludge-derived oils

Patent · Tue Jul 06 00:00:00 EDT 1993

OSTI ID:6420535

Sawatzky, H; Giddings, T; Farnand, B

A method is described for treating a sewage sludge-derived oil comprising the steps of: (A) providing sewage sludge-derived oil having the following elemental composition: Nitrogen: about 2% to about 8%; Oxygen: about 3% to about 12%; Sulphur: about 0.1 % to about 4%; Hydrogen: about 8% to about 11%; Carbon: about 86.9% to about 65%; (B) distilling said sewage sludge-derived oil to a temperature of about 150 C. to remove water and volatile organic compounds; and (C) circulating a gas consisting essentially of carbon dioxide therethrough.

• Assignee: IMS; EDB-93-103267
• Patent Number(s): A; US 5225159
• Application Number: PPN: US 7-806330
• OSTI ID: 6420535
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
090900* -- Biomass Fuels-- Processing-- (1990-)
AERATION
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CARBON
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CLEANING
DISTILLATION
ELEMENTS
HYDROGEN
MATERIALS
MATTER
NITROGEN
NONMETALS
ODORANTS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
REMOVAL
SEPARATION PROCESSES
SEWAGE
SEWAGE SLUDGE
SLUDGES
SULFUR
VOLATILE MATTER
WASTES
WATER REMOVAL