alexa Microbial dynamics and enzyme activities during rapid composting of municipal solid waste - a compost maturity analysis perspective.
Environmental Sciences

Environmental Sciences

International Journal of Waste Resources

Author(s): Raut MP, Prince William SP, Bhattacharyya JK, Chakrabarti T, Devotta S

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Abstract An investigation was carried out in the laboratory to find out the microbial dynamics and enzyme activities during rapid composting of municipal solid waste (MSW). Various treatments such as aeration (A), addition of chemical agents (glucose (G) and acetic acid (AA) and application of cellulolytic microbial (M) inoculum (Phanerochaete chrysosporium and Trichoderma reesei) were used to facilitate the decomposition of MSW. The result of the present investigation revealed that the degradation of organic substrates were quick (within 9-12 days) in case of rapid composting as indicated by the reduction (below 20) in C/N ratio. Whereas, normal composting took more than 20 days to attain C/N ratio of below 20. Estimation of selected enzymes (amylase, protease, phosphatase and cellulase) provided information on the substrate specific degradation profiles of various labile substrates contained in organic waste. This article was published in Bioresour Technol and referenced in International Journal of Waste Resources

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