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Title: Anaerobic digestion process

Abstract

An algae culture grown on the water from the digested slurry of a biogasification plant serves as a means of removing CO/sub 2/ from the methane stream while purifying the wastewater and providing more biomass for the anaerobic digestion plant. Tested on a sewage-sludge digestion system, the proposed process improved the methane yield by 32% and methane concentration by 53-98 vol % while lowering the concentration of nitrogen and phosphorus in the final water.

Inventors:
; ;
Publication Date:
OSTI Identifier:
6526618
Patent Number(s):
US 4354936
Assignee:
Agency of Industrial Science and Tech., Japan
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 10 SYNTHETIC FUELS; BIOMASS; ANAEROBIC DIGESTION; METHANE; BIOSYNTHESIS; ALGAE; BIOGAS PROCESS; CARBON DIOXIDE; PRODUCTION; SEWAGE SLUDGE; WASTE PROCESSING PLANTS; WASTE WATER; ALKANES; BIOCONVERSION; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; DIGESTION; ENERGY SOURCES; HYDROCARBONS; HYDROGEN COMPOUNDS; INDUSTRIAL PLANTS; LIQUID WASTES; MANAGEMENT; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PLANTS; PROCESSING; RENEWABLE ENERGY SOURCES; SEWAGE; SLUDGES; SYNTHESIS; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; WATER; 140504* - Solar Energy Conversion- Biomass Production & Conversion- (-1989); 090100 - Hydrocarbon Fuels- (-1989)

Citation Formats

Ishida, M, Haga, R, and Odawara, Y. Anaerobic digestion process. United States: N. p., 1982. Web.
Ishida, M, Haga, R, & Odawara, Y. Anaerobic digestion process. United States.
Ishida, M, Haga, R, and Odawara, Y. 1982. "Anaerobic digestion process". United States.
@article{osti_6526618,
title = {Anaerobic digestion process},
author = {Ishida, M and Haga, R and Odawara, Y},
abstractNote = {An algae culture grown on the water from the digested slurry of a biogasification plant serves as a means of removing CO/sub 2/ from the methane stream while purifying the wastewater and providing more biomass for the anaerobic digestion plant. Tested on a sewage-sludge digestion system, the proposed process improved the methane yield by 32% and methane concentration by 53-98 vol % while lowering the concentration of nitrogen and phosphorus in the final water.},
doi = {},
url = {https://www.osti.gov/biblio/6526618}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 19 00:00:00 EDT 1982},
month = {Tue Oct 19 00:00:00 EDT 1982}
}