Combining Energy Flow Analysis and Health Risk Assessment to Evaluate the Health Impact of Coal Fire Power Plants Development Strategy in Taiwan
Date Issued
2009
Date
2009
Author(s)
Wu, Hui-Ting
Abstract
According to the statistics and the development plan of Bureau of Energy in Taiwan, powering by coal is 53.6% in 2007 and 43.18% in 2025. Based on the results, generating by coal will still be the main power source in Taiwan in the next 20 years. Moreover, the main source of heavy metal is coal-fired power plant was confirmed by “The project of emission investigation and draft control strategy of air toxic pollutants from the stationary sources” in 2007. In order to quantify the harm from coal-fired power plant, energy flow analysis and risk assessment were combined in this study. Two scenarios were discussed in this study–coal-fired power development programming in the current and future scenarios. The results are showed as risks and hazard quotients(HQ). And the risks are between 1.61E-09 and 1.43E-06 and the hazard quotients are between 3.45E-05 and 1.94E-02 in current scenarios. Risks are between 1.61E-09 and 1.43E-06 and the hazard quotients are between 3.45E-05 and 1.94E-02 in future scenarios. The risks in the future scenarios are greater than in the current, that because the power generation in the future is higher than in the current. The major route is inhalation. And the major contaminations are Arsenic and Mercury. Based on the risks and HQ, the per power generation risk was calculated with power generation. In current scenarios, per power generation risk at Hoping power plant in Hulien is 1.12E-17/ KWH-Year; in future scenarios and he highest per power generation risk is 6.83E-18/ KWH-Year at Linkou power plant in Taoyuan .The environmental impact increases with the per power generation risk, so Hoping power plant and Linkou power plant make the greater environmental impacts. Finally, the extra-risk burden was estimated by electric flow analysis and per power generation risk. In current scenario, the extra- risk burden at Hoping power plant in Hulien is 1.97E-07 ; in future scenarios, the extra- risk burden in Dalin power plant in Kaohsiung is 2.19E-07.And the high extra-risk burden should be avoided in coal power development programming. In order to reduce the extra- risk burden efficiently, power supply from Hoping power plant and Dalin power plant should be decreased.
Subjects
Coal-fired Power Plant
Heavy Metals
Energy Flow Analysis
Health Risk Assessment
Environment Impact Burden
SDGs
Type
thesis
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