ENERGY AND ENVIRONMENT
Volume 3, Issue 2, 2012 pp.237-246
Journal homepage: www.IJEE.IEEFoundation.org
Municipal solid waste disposal by using metallurgical technologies and equipments
Jiuju Cai, Wenqiang Sun
State Environmental Protection Key Laboratory of Eco-industry, Institute of Thermal and Environmental
Engineering, Northeastern University, Shenyang 110819, P. R. China.
Pyrolysis of municipal solid waste can take full advantage of energy and resource and avoid producing hazardous material during this period. In combination with mature metallurgical technologies of coking by coke oven, regenerative flame furnace technology and melting by electric arc furnace, technologies of regenerative fixed bed pyrolysis technology for household waste, co-coking technology for waste plastic and blend coal, and incineration ash melting technology by electric arc technology for medical waste were respectively developed to improve current unsatisfied sorting status of waste. The investigation results of laboratory experiments, semi-industrial experiments and industrial experiments as well as their economic benefits and environmental benefits for related technologies were separately presented.
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Keywords: Municipal solid waste; Household waste; Waste plastic; Medical waste; Metallurgical technology. 1. Introduction
Municipal solid waste (MSW) includes partial household waste (HW), waste plastic (WP), and medical waste (MW) which has complex components. With the rapid development of economy and raised people’s standard of living, the quantity and lower heating value (LHV) of MSW has been rising year by year. It is shown that the LHV of HW in big cities such as Beijing and Shanghai, China has approached
6,200 kJ/kg, that the LHV of MW has already climbed to 10,000 kJ/kg due to packs of textiles, pledgets, mutilated bodies,
References: 200 kg coking-oven experiment. Journal of Fuel Chemistry and Technology. 2004, 32(1), 27-30. Total Environment. 2006, 371, 1-10. 2008, 28(10), 2013-2021. Dissertation, Northeastern University, 2005. (in Chinese) Jiuju Cai is Professor in the Institute of Thermal and Environmental Engineering, Northeastern Wenqiang Sun reveived his BS Degree (2007) in Thermal Energy and Power Engineering and MS Degree (2009) in Thermal Power Engineering from Northeastern University, China