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Anaerobic digestion of waste from an intensive pig unit. [NON]

Abstract

Use was made of heated (35/sup 0/C), stirred, and daily fed laboratory digesters. It was found that digestion of undiluted feces-urine was impossible, but balanced digestion could be obtained in digesters originally seeded from a working domestic anaerobic digester or in digesters filled with water into which small amounts of waste were regularly added. The results from running two digesters for over 80 weeks at loading rates of 0.5 to 3.2 g VS/l/day at detention times of 37.5 to 14 days are given. Above a loading rate of about 2.6 g VS/l/day, at a detention time of 14 days, performance in terms of percentage reduction in solids, BOD and COD began to fall. Maximum BOD reduction of 80 to 90% was found at that loading rate. Volatile acids and ammonia remained below inhibitory levels. It was postulated that there was an upper limit of total solids of about 4.5% above which satisfactory performance cannot be expected.
Publication Date:
Mar 01, 1973
Product Type:
Journal Article
Reference Number:
EDB-78-078053
Resource Relation:
Journal Name: Water Res.; (United Kingdom); Journal Volume: 7:3
Subject:
09 BIOMASS FUELS; MANURES; ANAEROBIC DIGESTION; METHANE; BIOSYNTHESIS; BIOCHEMICAL OXYGEN DEMAND; CHEMICAL OXYGEN DEMAND; MESOPHILIC CONDITIONS; SWINE; AGRICULTURAL WASTES; ALKANES; ANIMALS; BIOCONVERSION; CRYOGENIC FLUIDS; DIGESTION; DOMESTIC ANIMALS; FLUIDS; HYDROCARBONS; MAMMALS; MANAGEMENT; ORGANIC COMPOUNDS; PROCESSING; SOLID WASTES; SYNTHESIS; VERTEBRATES; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; 090122* - Hydrocarbon Fuels- Preparation from Wastes or Biomass- (1976-1989)
OSTI ID:
5042998
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: WATRA
Submitting Site:
TIC
Size:
Pages: 437-449
Announcement Date:
Jul 01, 1978

Citation Formats

Hobson, P N, and Shaw, B G. Anaerobic digestion of waste from an intensive pig unit. [NON]. United Kingdom: N. p., 1973. Web. doi:10.1016/0043-1354(73)90025-0.
Hobson, P N, & Shaw, B G. Anaerobic digestion of waste from an intensive pig unit. [NON]. United Kingdom. doi:10.1016/0043-1354(73)90025-0.
Hobson, P N, and Shaw, B G. 1973. "Anaerobic digestion of waste from an intensive pig unit. [NON]." United Kingdom. doi:10.1016/0043-1354(73)90025-0. https://www.osti.gov/servlets/purl/10.1016/0043-1354(73)90025-0.
@misc{etde_5042998,
title = {Anaerobic digestion of waste from an intensive pig unit. [NON]}
author = {Hobson, P N, and Shaw, B G}
abstractNote = {Use was made of heated (35/sup 0/C), stirred, and daily fed laboratory digesters. It was found that digestion of undiluted feces-urine was impossible, but balanced digestion could be obtained in digesters originally seeded from a working domestic anaerobic digester or in digesters filled with water into which small amounts of waste were regularly added. The results from running two digesters for over 80 weeks at loading rates of 0.5 to 3.2 g VS/l/day at detention times of 37.5 to 14 days are given. Above a loading rate of about 2.6 g VS/l/day, at a detention time of 14 days, performance in terms of percentage reduction in solids, BOD and COD began to fall. Maximum BOD reduction of 80 to 90% was found at that loading rate. Volatile acids and ammonia remained below inhibitory levels. It was postulated that there was an upper limit of total solids of about 4.5% above which satisfactory performance cannot be expected.}
doi = {10.1016/0043-1354(73)90025-0}
journal = {Water Res.; (United Kingdom)}
volume = {7:3}
journal type = {AC}
place = {United Kingdom}
year = {1973}
month = {Mar}
}