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Pakistan Journal of Biological Sciences
Year: 2006  |  Volume: 9  |  Issue: 3  |  Page No.: 460 - 464

Segregation of Biodegradable Solid Wastes of Chittagong Metropolitan Area Based on Specific Physical and Chemical Properties

M. Asrafur Rahman, M. Shafiul Alam and M. Al-Amin    

Abstract: The present study was conducted to identify the most potential source and composition of biodegradable solid waste generated in the Chittagong metropolitan area of Bangladesh, without which any energy recovery plan from solid waste tends to be trivial. The composition of the domestic source along with their sub sources (done by systematic sampling) and physical and chemical properties were studied. Pertinent domestic source was found the most potential (75.75%) source of biodegradable solid waste production. Vegetable matters and remaining of fruit matters was found the highest component (38.4%) of domestic solid waste along with the sub sources ranging from 50 to 25%. Average waste density, moisture content, organic matter, C: N was found 117 kg m-3 (ranging from 136.23-95.36 kg m-3 among the sub sources), 0 (34.13-25.38%), 9.57% (43.03-35.75%) and 17 (20.37-15.08), respectively. The study revealed the promising prospect of the capability of ostensible domestic solid waste to redeem the energy rather than pervert them to dump in the open low value lands.

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