Modeling an aerobic biotrickling filter for biogas desulfurization through a multi-step oxidation mechanism
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چکیده
منابع مشابه
Modelling biotrickling filters to minimize elemental sulfur accumulation during biogas desulfurization under aerobic conditions
A mathematical dynamic model describing biological removal of high loads of H2S from biogas streams through a biotrickling filter (BTF) was developed, calibrated and validated to a range of specific experimental conditions of a lab-scale BTF. This model takes into account the main processes occurring in the three phases of the desulfurizing BTF (gas, liquid and biofilm phase) in a co-current co...
متن کاملLaboratory pilot scale study for H2S removal from biogas in an anoxic biotrickling filter.
The purpose of this laboratory pilot scale study at the Wastewater Technology Centre (WTC), Environment Canada, Burlington, ON was to investigate the anaerobic biological removal of H2S from biogas under real-time operating conditions. Biogas produced in a 538 litre pilot anaerobic digester was continuously fed into a 12 litre biotrickling filter containing plastic fibres as packing bed media. ...
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Biogas biodesulfurization by an anoxic biotrickling filter packed with open pore polyurethane foam at the laboratory scale (packed volume 2.4L) has been studied. The biotrickling system was operated for 620 days with biogas supplied continuously and two nitrate feeding regimes were tested (manual and programmed). Biomass immobilization was carried out under the manual nitrate feeding regime and...
متن کاملAnalysis of the rate-limiting step of an anaerobic biotrickling filter removing TCE vapors
A detailed analysis of a biotrickling filter treating trichloroethene (TCE) vapors anaerobically is presented and discussed. The biotrickling filter relies on mixed cultures containing bacteria from the genus Dehalococcoides that reductively dechlorinate TCE to ethene. After about 200 days of steady operation, as biomass in the packed bed increased, a partial loss in treatment performance was o...
متن کاملReductive dehalogenation of trichloroethene vapors in an anaerobic biotrickling filter.
Until now, it has not been possible to use biofiltration to treat trichloroethene (TCE) from waste gases generated by soil vapor extraction or dual-phase extraction at remediation sites because aerobic biodegradation of TCE is possible only via cometabolism, which is difficult to engineer on a large scale. This study looks at the possibility of conducting anaerobic gas-phase biotreatment of TCE...
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ژورنال
عنوان ژورنال: Chemical Engineering Journal
سال: 2016
ISSN: 1385-8947
DOI: 10.1016/j.cej.2016.03.013