期刊
WASTE MANAGEMENT & RESEARCH
卷 34, 期 4, 页码 327-336出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0734242X15620007
关键词
Organic fractions; biogas potential; biodegradability; combustibility; solid waste to energy
Non-renewable energy sources have remained the choice of the world for centuries. Rapid growth in population and industrialisation have caused their shortage and environmental degradation by using them. Thus, at the present rate of consumption, they will not last very long. In this prospective, this study has been conducted. The estimation of energy in terms of biogas and heat from various organic fractions of municipal solid waste is presented and discussed. The results show that organic fractions of municipal solid waste possess methane potential in the range of 3%-22% and their heat capacity ranges from 3007 to 20,099kJkg(-1). Also, theoretical biogas potential of different individual fruit as well as vegetable components and mixed food waste are analysed and estimated in the range of 608-1244m(3)t(-1). Further, the share of bioenergy from municipal solid waste in the total primary energy supply in Pakistan has been estimated to be 1.82%. About 8.43% of present energy demand of the country could be met from municipal solid waste. The study leads us to the conclusion that the share of imported energy (i.e. 0.1% of total energy supply) and reduction in the amount of energy from fossil fuels can be achieved by adopting a waste-to-energy system in the country.
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