An integrated approach of composting methodologies for solid waste management
2016
A. Sridhar (Department of Biotechnology, Kumaraguru College of Technology, Coimbatore 641049, India) | K. Kumaresan (Department of Biotechnology, Kumaraguru College of Technology, Coimbatore 641049, India) | J. Aravind (Department of Biotechnology, Kumaraguru College of Technology, Coimbatore 641049, India) | P. Kanmani (Department of Biotechnology, Kumaraguru College of Technology, Coimbatore 641049, India) | R. Balan (Department of Biotechnology, Kumaraguru College of Technology, Coimbatore 641049, India)
Organic fraction of solid waste, which upon degradation produces foul smell and generates pathogens, if not properly managed. Composting is not a method of waste disposal but it is a method of waste recycling and used for agricultural purposes. An integrated approach of composting methodology was tested for municipal solid waste management. Solid waste first was composted and after 22 days, was further processed by vermicomposting. Samples were routinely taken for analysis of carbon, nitrogen, moisture content, pH and temperature to determine the quality of composting. Decrease in moisture content to 32.1 %, relative decrease in carbon and nitrogen content were also observed. Among the different types of treatment, municipal solid waste + activated sludge integration showed promising results, followed by vermicomposting municipal solid waste + activated sludge combination, compared to the combinations of dried activated sludge, municipal solid waste + activated sludge semisolid and municipal solid waste + sewage water. Thus, windrow composting followed by vermicomposting gave a better result than other methods. Thus this method would serve as a potential alternative for solid waste management.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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