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Effects of microbial culture and chicken manure biochar on compost maturity and greenhouse gas emissions during chicken manure composting
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, PR China; Institute of Biology, Freie Universität Berlin Altensteinstr. 6, 14195 Berlin, Germany.
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, PR China.
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, PR China.
College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, PR China.
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2020 (English)In: Journal of Hazardous Materials, ISSN 0304-3894, E-ISSN 1873-3336, Vol. 389Article in journal (Refereed) Published
Abstract [en]

The effects of chicken manure biochar (CMB) and chicken manure integrated microbial consortium (CMMC) as co-amendments were assessed on compost maturity and reduction of greenhouse gases and ammonia (NH3) emissions during chicken manure composting. Composting was conducted using six combinations of CMB and CMCC (0 % CMB + 0 % CMMC, 0 % CMB + 10 % CMMC, 2 % CMB + 10 % CMMC, 4 % CMB + 10 % CMMC, 6 % CMB + 10 % CMMC, 10 % CMB + 10 % CMMC added on a dry weight basis) in six polyvinyl chloride composting reactors for 42 days under an aerobic environment. Co-amendment of CMB and CMMC extended the thermophilic stage and promoted compost maturity. The release of greenhouse gases [nitrous oxide (N2O) and methane (CH4)] and NH3 from treatments co-amended by CMB and CMMC were reduced by 19.0-27.4 %, 9.3-55.9 % and 24.2-56.9 %, respectively, compared with the control. In addition, a redundancy analysis showed that the C/N ratio and temperature had a significant relationship with greenhouse gases and NH3 emissions among all physiochemical characteristics.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 389
Keywords [en]
Greenhouse gases, Ammonia, Chicken manure biochar, Chicken manure composting
National Category
Environmental Engineering Industrial Biotechnology
Identifiers
URN: urn:nbn:se:hb:diva-24849DOI: 10.1016/j.jhazmat.2019.121908ISI: 000524479100068Scopus ID: 2-s2.0-85076854857OAI: oai:DiVA.org:hb-24849DiVA, id: diva2:1520924
Available from: 2021-01-21 Created: 2021-01-21 Last updated: 2021-10-21Bibliographically approved

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Mukesh Kumar, Awasthi

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