Comparison of Backyard and Municipal Solid Waste Composting Phenomena by Physicochemical, FT-IR and X-Ray Diffraction Analysis

Manohara B and Belagali Sl
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Belagali Sl: Department of Studies in Environmental Science, University of Mysore, India

Current Trends in Biomedical Engineering & Biosciences, 2017, vol. 6, issue 3, 38-44

Abstract: In the present work, comparison of characteristics of Backyard (Home) and Municipal Solid Waste (MSW) composting was studied by physico-chemical characteristics, Fourier Transform Infrared (FT-IR) spectroscopy and X-ray diffraction methods in order to determine the quality of the compost produced. Samples were analyzed for both the composting piles at 10, 20, 30, 40, 50 and 60 days of composting processes. Temperature of both the piles reached thermophilic phase before the 10th day, but faster rate of decrease in temperature was observed for backyard composting. The concentrations of essential plant nutrients like Nitrogen, Phosphorous, Potassium, Calcium etc., were quite similar in both Backyard and MSW composting samples. The higher concentration of trace metals were observed in MSW compost samples, which can lead do accumulation of trace metals in agricultural lands and thereby enhancing the toxicity level. FT-IR spectra indicate the formation of stable aromatic structures from the long chain polysaccharides and other aliphatic compounds. Degradation of complex molecules into smaller constituents was indicated by X-ray Diffraction.

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Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jctbeb:v:6:y:2017:i:3:p:38-44

DOI: 10.19080/CTBEB.2017.06.555687

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