The role of feed composition on the composting process. II. Effect on the release of volatile organic compounds and odours

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DOIResolve DOI: http://doi.org/10.1080/10934529909376901
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TypeArticle
Journal titleJournal of Environmental Science and Health, Part A
Volume34
Issue6
Pages13691396; # of pages: 28
SubjectComposting; Organic material; Volatile organic compounds (VOCs); Odours; Emissions
AbstractIn this study the influence of four specific feed materials: grass clippings, leaves, cabbage and soya bean meal on odours and VOCs has been studied in a controlled and systematic manner using a commercial feed material in laboratory composters. The results of this study suggest that while some feeds can be composted with the minimum of problems, high levels of specific feeds could be problematic. Based upon the results obtained with the four feeds examined the following general observation can be made: Grass can be satisfactorily incorporated into compost feed at levels up to about 10% without adversely effecting odour emissions or VOC releases. At higher grass levels odours could start to become a problem. High levels of leaves, up to at least 30%, appear to have no detrimental impact on odours or VOC releases. While low levels of cabbage may be acceptable (less than 10%), higher levels can give rise to high emissions of sulphur compounds and result in serious odour problems. It appears that high nitrogen containing materials, when present in large amounts, can lead to serious odour problems associated with anaerobic activity. The presence of ammonia in the VOCs is a clear indication of excessive levels of nitrogen in the compost feed.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Chemical Process and Environmental Technology
Peer reviewedYes
NRC number41980b
NPARC number15825970
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Record identifier4895a7c0-25ab-4ff1-9aab-c2d38e0dcc22
Record created2010-07-14
Record modified2016-05-09
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