EXPERIMENTAL STUDIES ON WINDROW COMPOSTING AND VERMICOMPOSTING (TWIN PROCESS) OF ORGANIC FRACTION OF MUNICIPAL SOLID WASTE WITH SLUDGE FROM VARIED INDUSTRIESS.P. RAVIKANNAN* AND T. MEENAMBALAbstract In this investigation, an attempt was made to convert the organic fraction of municipal solid waste and the sludge from three different industries (Pulp and paper industry, Sugar industry and Dairy industry) into compost (value added fertilizer) using three different processes, i.e., Windrow composting, vermicomposting and a combination of windrow and vermicomposting (Twin Process). For this purpose, a detailed analysis of treatments with different combinations and different ratios were done. In this study, a series of experimental studies were conducted with regard to bioconversion of organic fraction of municipal solid waste along with dairy waste water at different C/N ratios using combined composting and vermicomposting technology. The variation in physical and chemical parameters was monitored throughout the process. The results indicate that combined composting and vermicomposting of dairy waste water with municipal solid waste produces high quality compost.
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