Document Detail

Simultaneous removal of ethyl acetate and toluene in air streams using compost-based biofilters.
MedLine Citation:
PMID:  12409249     Owner:  NLM     Status:  MEDLINE    
Biofitration was successfully applied to treat air streams containing a mixture of ethyl acetate and toluene. The experiment was performed by two identical bench-scale biofilters, which were acclimated by ethyl acetate and toluene, respectively. During a 3 month steady-state performance, the two biofilters showed equivalent elimination capacity (EC) for toluene (50 g/m(3) bed/h of pure toluene). However, the biofilter acclimated with ethyl acetate showed a much higher EC for ethyl acetate (400 g/m(3) bed/h of pure ethyl acetate) than that acclimated with toluene (250 g/m(3) bed/h). The concurrent biofiltration of toluene was inhibited by the presence of ethyl acetate. The results also showed that more nitrogen and phosphorus were consumed in the process of the biofiltration of toluene compared with the treatment of ethyl acetate. After the 3 month experiment, the pH of the media treating ethyl acetate dropped from 6.71 to 5.50, whereas the pH of the media treating toluene increased from 6.71 to 7.08.
Yonghui Liu; Xie Quan; Yumei Sun; Jingwen Chen; Daming Xue; Jong Shik Chung
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hazardous materials     Volume:  95     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2002 Nov 
Date Detail:
Created Date:  2002-10-31     Completed Date:  2003-03-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  199-213     Citation Subset:  IM    
School of Environmental Science and Technology, Dalian University of Technology, Zhongshan Road 158-129, Dalian 116012, PR China.
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MeSH Terms
Acetates / analysis*
Air Pollutants / analysis*
Air Pollution / prevention & control*
Biodegradation, Environmental
Filtration / methods
Polymethyl Methacrylate
Toluene / analysis*
Reg. No./Substance:
0/Acetates; 0/Air Pollutants; 108-88-3/Toluene; 141-78-6/ethyl acetate; 9011-14-7/Polymethyl Methacrylate

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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