| Novel bulking agent from clay residue for food waste composting. | |
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MedLine Citation:
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PMID: 20171087 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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New granular material from clay residue was investigated as a bulking agent for food waste composting. Five mixing ratios of granule were conducted in a laboratory scale reactor at the desired low rate of air (0.05 l min(-1)). The evolution of temperature and the accumulative CO(2) emissions were monitored. Physical and chemical changes, N loss, and organic matter degradation of compost were also examined. Adoption of granules of 15% V/V (FAS 31.6%) enhanced the thermophilic composting and CO(2) emissions; thus satisfying the Process to Further Reduce Pathogens (PFRP, USEPA) as well as obtaining the highest rate constant of organic matter degradation (k=0.005 day(-1)). As the amount of granules was doubled (35% V/V), the temperature was not only cooled, but also promoted the substantial N loss (54%). It was suggested that bulking agent from clay residue can be used beneficially as reusable media for microbial inoculation as analyzed by SEM. |
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Authors:
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Banjarata Jolanun; Sirintornthep Towprayoon |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-02-18 |
Journal Detail:
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Title: Bioresource technology Volume: 101 ISSN: 1873-2976 ISO Abbreviation: Bioresour. Technol. Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-03-15 Completed Date: 2010-06-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: England |
Other Details:
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Languages: eng Pagination: 4484-90 Citation Subset: IM |
Copyright Information:
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(c) 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department Environmental Engineering, Rajamangala University of Technology Lanna, 128 Hauykeaw Rd., Muang, Chaingmai 50300, Thailand. banjarata@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aluminum Silicates
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chemistry* Bioreactors Carbon Dioxide / analysis Food* Microscopy, Electron, Scanning Nitrogen / analysis Organic Chemicals / chemistry Refuse Disposal* Soil* Temperature Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Aluminum Silicates; 0/Organic Chemicals; 0/Soil; 124-38-9/Carbon Dioxide; 1302-87-0/clay; 7727-37-9/Nitrogen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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