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Promoting the Circular Economy via Waste-to-Power (WTP) in Taiwan

Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
Resources 2019, 8(2), 95; https://doi.org/10.3390/resources8020095
Received: 22 April 2019 / Revised: 7 May 2019 / Accepted: 8 May 2019 / Published: 14 May 2019
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Abstract

The waste management sector significantly contributes to emissions of ambient air pollutants and greenhouse gases, especially in sanitary landfills. In this regard, Taiwan is moving toward a circular economy society via resource recycling and waste-to-power (WTP) in the waste management. In the past decade, the recycling rate of general waste (including recyclable waste, kitchen waste, and bulk waste) increased from 40.97% in 2008 to 60.22% in 2017. On the other hand, 24 large-scale waste incineration plants gained about 2.5 TW-h of net electricity generation, based on 6.25 million metric tons of waste incinerated in 2017. The objectives of this paper are to update the status of waste generation and its WTP in Taiwan. Based on these updated data, the preliminary benefit analysis of WTP showed annual benefits of equivalent electricity charge of around $US 3.3 × 108 (using the feed-in-tariff rate 3.8945 NTD$/kW-h; 1 $US ≈ 30 NTD$) and equivalent CO2 mitigation of about 1.4 million metric tons (using the electricity emissions factor 0.55 kg CO2 equivalent/kW-h). In order to gain environmental, energy, and economic benefits, the regulatory and technological measures for promoting WTP are briefly summarized to create another low-carbon society in Taiwan. View Full-Text
Keywords: municipal solid waste; waste-to-power; feed-in-tariff; benefit analysis; regulatory promotion municipal solid waste; waste-to-power; feed-in-tariff; benefit analysis; regulatory promotion
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Tsai, W.-T. Promoting the Circular Economy via Waste-to-Power (WTP) in Taiwan. Resources 2019, 8, 95.

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