aerobic digestion


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aerobic digestion

[e′rōb·ik də′jes·chən]
(chemical engineering)
Digestion of matter suspended or dissolved in waste by microorganisms under favorable conditions of oxygenation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
During aerobic digestion of sludge, the microorganisms are in the endogenous respiration phase, so the reaction rate and biomass follow the first-order reaction equation [12].
For instance, conventional aerobic digestion has a maximum feed concentration of about 2 percent solids and the Hydraulic Retention Time (HRT) would need to be about 30 days as opposed to a minimum feed concentration of 4 percent solids and an HRT of 10-12 days with ATAD technology.
Treatment of N, P of auto-thermal thermophillic aerobic digestion fluid with struvite crystallization.
In addition to updating the original manual's 19 chapters, it adds materials on public outreach and involvement, waste minimization, anaerobic and aerobic digestion, odors, and treatment and utilization of green gases.
The Awards for Excellence celebrated a host of initiatives in the region, ranging from local sourcing and supply chain development to carbon reduction programmes and the installation of an aerobic digestion plant.
The Anaerobic & Aerobic Digestion plant of the Domestic Solid Waste Management Centre at Mesaieed has produced approximately 1,000 tonnes of Grade A compost until date.
The proposal is for a power station and aerobic digestion plant to be sited on an old quarry and residents have spent the last two years mounting a campaign against it.
The development of a successful PCR reaction now allows for specific organisms of interest (e.g., pathogens or known sludge bulking species) to be detected early and monitored throughout the aerobic digestion process.
Newton Aycliffe company John Wade is building an aerobic digestion plant at a cost of almost pounds 4m for its main clients Darlington Council.
Less common is the use of aerobic digestion. Generally, the anaerobic process is still the subject of research, due to the biogas evolved as a by product of such a process.
The Tri-Mer system serves as a practical alternative to thermal oxidizers, in-bed biofiltration and aerobic digestion for the control of VOC emissions from a wide range of sources.
The three councils in the South of Tyne and Wear Partnership are considering nine options, which include: to continue as currently; anaerobic digestion of all waste; mechanical biological treatment (refuse-derived fuel); mechanical biological treatment (landfill); autoclaving (re-fuse-derived fuel); energy from waste (incinerator); advanced thermal treatment (incinerator); aerobic digestion and energy from waste (combined heat and power, incinerator).