Document Detail


Reduction of ammonia and volatile organic compounds from food waste-composting facilities using a novel anti-clogging biofilter system.
MedLine Citation:
PMID:  21300539     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The performance of a pilot-scale anti-clogging biofilter system (ABS) was evaluated over a period of 125days for treating ammonia and volatile organic compounds emitted from a full-scale food waste-composting facility. The pilot-scale ABS was designed to intermittently and automatically remove excess biomass using an agitator. When the pressure drop in the polyurethane filter bed was increased to a set point (50mm H(2)O m(-1)), due to excess biomass acclimation, the agitator automatically worked by the differential pressure switch, without biofilter shutdown. A high removal efficiency (97-99%) was stably maintained for the 125days after an acclimation period of 1week, even thought the inlet gas concentrations fluctuated from 0.16 to 0.55gm(-3). Due the intermittent automatic agitation of the filter bed, the biomass concentration and pressure drop in the biofilter were maintained within the ranges of 1.1-2.0g-DCW gPU(-1) and below 50mm H(2)O m(-1), respectively.
Authors:
Hee Wook Ryu; Kyung-Suk Cho; Tae-Ho Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-14
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-2-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Chemical Engineering, Soongsil University, Seoul 156-743, Republic of Korea.
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