摘要(英) |
Owing to the ineffective treatment of waste recently, illegal waste disposal is the major environmental problem in Taiwan. The reasons include the waste related treatment facilities are inadequate, landfills have saturated and waste incinerators have reached the age limit. Obviously, current waste disposal modes are not enough to meet the needs of the society. How to effectively treat wastes is an important issue that needs to be discussed.
This study will explore the feasibility of solid recovered fuel (SRF) be made from municipal solid waste and industrial or commercial waste (collectively referred to as waste) via advanced mechanical as using part of the fuel for coal-fired boilers, power plants and cement kilns. Further explore the benefits on reducing environmental impacts and costs. The purposes of this study are (1) to discuss the current situation of waste treatment in Taiwan; (2) to discuss the benefits of SRF applications; and (3) to do the feasibility analysis about introducing SRF applications to Taiwan.
According to our research results, while replace 10% of coal with SRF, the fuel costs can be saved by 3%, heavy metals can be reduced by 8.7%, and CO2 emissions can be reduced by 6.5%; If replace 100% of coal with SRF, the fuel costs can be saved by 30%, heavy metal can be reduced by 87%, and CO2 emissions can be reduced by 65%. It can be seen that the economic benefits and environmental benefits of using SRFs instead of burning coal have positive effects. Introducing SRF to Taiwan facing the following problems: (1) lack of SRF concepts and specifications; (2) divergent opinions between central policy and local government; (3) no relevant policy subsidies or incentives; (4) no solutions about boilers co-firing fuel derivative waste; and (5) people’ insufficient knowledge about waste treatment. Finally, this study provides some suggestions about introducing SRF experiences to Taiwan: (1) to actively learn SRF experiences from foreign companies because there are still no successful SRF applications in Taiwan; (2) to improve the effectiveness of waste disposal, users only need to adjust the receiving facilities; and (3) to develop regulations in line with government’s circular economy policies will help the real SRF actions. |
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