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| 標題: | Effects of waste cooking oil-based biodiesel on the toxic organic pollutant emissions from a diesel engine |
| 作者: | Chang, Yu-Cheng
Lee, Wen-Jhy
Wang, Lin-Chi
Yang, Hsi-Hsien
Cheng, Man-Ting
Lu, Jau-Huai
Tsai, Ying I.
Young, Li-Hao |
| 貢獻者: | 環境資源管理系 |
| 關鍵字: | Diesel engine
PCDD/Fs
PBDD/Fs
PBDEs
Biodiesel |
| 日期: | 2014-01 |
| 上傳時間: | 2015-05-06 21:20:32 (UTC+8) |
| 出版者: | Elsevier Sci Ltd |
| 摘要: | This study describes a method for reducing the emissions of toxic organic pollutants from heavy duty diesel engines fueled by biodiesel produced from waste cooking oil (WCO). An analytical method was developed to simultaneously measure five pollutants from one exhaust sample, namely polycyclic aromatic hydrocarbons (PAHs), polychlorined dibenzo-p-dixins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs), polybrominated dibenzo-p-dioxins and dibenzofurans (PBDD/Fs) and polybrominated diphenyl ethers (PBDEs). As yet, no data regarding PEDD/F emissions from mobile sources has been reported in the literature. The mass concentrations in the exhaust, in order, were PAHs >> PBDEs >> PBDD/Fs > PCBs > PCDD/Fs, while for the pollutants having dioxin-like toxicity, their toxicity concentrations, in order, were PCDD/Fs > PBDD/Fs > PCBs. These concentrations were two to four orders higher than those in the atmosphere. Even though the chlorine content in the WCO-based biodiesel was five times higher than that of fossil diesel, the reduction in the emission factors of the aforesaid pollutants increased along with the percentage of biodiesel. For example, B20 achieved a 49-73% and 61-83% reduction in mass and toxicity, respectively. in conclusion, the use of WCO-based biodiesel not only solves the problem of waste oil disposal, but also reduces the toxic organic pollutant emissions from diesel engines. (C) 2013 Elsevier Ltd. All rights reserved. |
| 關聯: | Applied Energy, v.113 n., pp.631-638 |
| 顯示於類別: | [環境資源管理系(所)] 期刊論文
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