Novel processes for high-efficiency biodigestion of particulate feeds

Conference · Sun Jan 01 04:00:00 EST 1984

OSTI ID:6027204

Ghosh, S

The development, application, and advantages of three advanced anaerobic digestion processes utilizing phase-separated fermentation and novel upflow digesters are described in this paper. The three processes described are (1) continuously stirred tank reactor (CSTR) two-phase digestion, (2) upflow two-phase digestion, and (3) leach-bed two-phase digestion. Unlike single-stage conventional digestion, these processes are suitable for the digestion of solid and concentrated semi-solid feeds, which are by far the largest biomass and waste resources available for simultaneous stabilization and energy production. All novel processes were significantly superior to conventional single-stage digestion in terms of methane yield and production rate, solids conversion efficiency, and net energy production. The upflow and the leach-bed two-phase digestion processes effected virtually complete conversion of the biodegradable fraction of the feed; the leach-bed process could accomplish this with a nutritionally deficient, highly cellulosic, refuse-derived substrate. 16 references, 5 figures, 5 tables.

• Research Organization: Institute of Gas Technology, Chicago, IL (USA)
• OSTI ID: 6027204
• Report Number(s): CONF-8411154-1; ON: TI85900656
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
090122* -- Hydrocarbon Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
ALKANES
ANAEROBIC DIGESTION
BIOCONVERSION
BIOREACTORS
BIOSYNTHESIS
COMPARATIVE EVALUATIONS
DATA
DESIGN
DIAGRAMS
DIGESTION
EXPERIMENTAL DATA
FLOWSHEETS
HYDROCARBONS
INDUSTRIAL WASTES
INFORMATION
MANAGEMENT
MESOPHILIC CONDITIONS
METHANE
NUMERICAL DATA
ORGANIC COMPOUNDS
PROCESSING
SEWAGE
SYNTHESIS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES