Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste

Sharma, Isha; Ramachandra, T V

doi:10.1016/j.wasman.2008.09.014

Title: Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste

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Abstract

The fermentation characteristics of six specific types of the organic fraction of municipal solid waste (OFMSW) were examined, with an emphasis on properties that are needed when designing plug-flow type anaerobic bioreactors. More specifically, the decomposition patterns of a vegetable (cabbage), fruits (banana and citrus peels), fresh leaf litter of bamboo and teak leaves, and paper (newsprint) waste streams as feedstocks were studied. Individual OFMSW components were placed into nylon mesh bags and subjected to various fermentation periods (solids retention time, SRT) within the inlet of a functioning plug-flow biogas fermentor. These were removed at periodic intervals, and their composition was analyzed to monitor decomposition rates and changes in chemical composition. Components like cabbage waste, banana peels, and orange peels fermented rapidly both in a plug-flow biogas reactor (PFBR) as well as under a biological methane potential (BMP) assay, while other OFMSW components (leaf litter from bamboo and teak leaves and newsprint) fermented slowly with poor process stability and moderate biodegradation. For fruit and vegetable wastes (FVW), a rapid and efficient removal of pectins is the main cause of rapid disintegration of these feedstocks, which left behind very little compost forming residues (2-5%). Teak and bamboo leaves and newsprint decomposedmore »« less

Authors:

Sharma, Isha ^[1]; Ramachandra, T V ^[1]

Centre for Sustainable Technologies, (formerly ASTRA), Indian Institute of Science, Bangalore 560 012 (India)

Publication Date:: Wed Apr 15 00:00:00 EDT 2009

OSTI Identifier:: 21217156

Resource Type:: Journal Article

Journal Name:: Waste Management

Additional Journal Information:: Journal Volume: 29; Journal Issue: 4; Other Information: DOI: 10.1016/j.wasman.2008.09.014; PII: S0956-053X(08)00330-9; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0956-053X

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; ANAEROBIC DIGESTION; BAMBOO; BANANAS; BIODEGRADATION; BRASSICA; CHEMICAL COMPOSITION; COMPOST; FERMENTATION; METHANE; SOLID WASTES

Citation Formats


                    Chanakya, H.N., Sharma, Isha, Ramachandra, T V, and Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560 012. Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste.  United States: N. p., 2009. 
        Web.  doi:10.1016/j.wasman.2008.09.014.

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                    Chanakya, H.N., Sharma, Isha, Ramachandra, T V, & Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560 012. Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste.  United States.  https://doi.org/10.1016/j.wasman.2008.09.014

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                    Chanakya, H.N., Sharma, Isha, Ramachandra, T V, and Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560 012. 2009.  
        "Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste".  United States.  https://doi.org/10.1016/j.wasman.2008.09.014.

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@article{osti_21217156,

  title        = {Micro-scale anaerobic digestion of point source components of organic fraction of municipal solid waste},

  author       = {Chanakya, H.N. and Sharma, Isha and Ramachandra, T V and Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560 012},

  abstractNote = {The fermentation characteristics of six specific types of the organic fraction of municipal solid waste (OFMSW) were examined, with an emphasis on properties that are needed when designing plug-flow type anaerobic bioreactors. More specifically, the decomposition patterns of a vegetable (cabbage), fruits (banana and citrus peels), fresh leaf litter of bamboo and teak leaves, and paper (newsprint) waste streams as feedstocks were studied. Individual OFMSW components were placed into nylon mesh bags and subjected to various fermentation periods (solids retention time, SRT) within the inlet of a functioning plug-flow biogas fermentor. These were removed at periodic intervals, and their composition was analyzed to monitor decomposition rates and changes in chemical composition. Components like cabbage waste, banana peels, and orange peels fermented rapidly both in a plug-flow biogas reactor (PFBR) as well as under a biological methane potential (BMP) assay, while other OFMSW components (leaf litter from bamboo and teak leaves and newsprint) fermented slowly with poor process stability and moderate biodegradation. For fruit and vegetable wastes (FVW), a rapid and efficient removal of pectins is the main cause of rapid disintegration of these feedstocks, which left behind very little compost forming residues (2-5%). Teak and bamboo leaves and newsprint decomposed only to 25-50% in 30 d. These results confirm the potential for volatile fatty acids accumulation in a PFBR's inlet and suggest a modification of the inlet zone or operation of a PFBR with the above feedstocks.},

  doi          = {10.1016/j.wasman.2008.09.014},

  url          = {https://www.osti.gov/biblio/21217156},
  journal      = {Waste Management},

  issn         = {0956-053X},

  number       = 4,

  volume       = 29,

  place        = {United States},

  year         = {Wed Apr 15 00:00:00 EDT 2009},

  month        = {Wed Apr 15 00:00:00 EDT 2009}

}

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