| Bed mixing and leachate recycling strategies to overcome pressure drop buildup in the biofiltration of hydrogen sulfide. | |
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MedLine Citation:
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PMID: 22300638 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The effects of leachate recycling and bed mixing on the removal rate of H(2)S from waste gas stream were investigated. The experimental setup consisted of an epoxy-coated three-section biofilter with an ID of 8cm and effective bed height of 120cm. Bed material consisted of municipal solid waste compost and PVC bits with an overall porosity of 54% and dry bulk density of 0.456gcm(-3). Leachate recycling had a positive effect of increasing elimination capacity (EC) up to 21gSm(-3) bedh(-1) at recycling rates of 75mld(-1), but in the bed mixing period EC declined to 8g Sm(-3)bedh(-1). Pressure drop had a range of zero to 18mm H(2)Om(-1) in the course of leachate recycling. Accumulation of sulfur reduced removal efficiency and increased pressure drop up to 110mm H(2)Om(-1) filter during the bed mixing stage. |
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Authors:
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Babak Roshani; Ayoob Torkian; Hasan Aslani; Reza Dehghanzadeh |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-17 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-2-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Chemical Engineering, University of Saskatchewan, Saskatoon, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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