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氢化植物油（HVO）及HVO/生物柴油混合燃料对一台越野重型柴油发动机排放物的物理化学和毒理学特性的影响。

Effects off hydrogenated vegetable oil (HVO) and HVO/biodiesel blends on the physicochemical and toxicological properties of emissions from an off-road heavy-duty diesel engine.

作者信息

McCaffery Cavan, Zhu Hanwei, Sabbir Ahmed C M, Canchola Alexa, Chen Jin Y, Li Chengguo, Johnson Kent C, Durbin Thomas D, Lin Ying-Hsuan, Karavalakis Georgios

机构信息

Bourns College of Engineering - Center for Environmental Research and Technology (CE-CERT), University of California, Riverside, CA 92507, United States.

Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, Riverside, CA 92521, United States.

出版信息

Fuel (Lond). 2022 Sep 1;323. doi: 10.1016/j.fuel.2022.124283. Epub 2022 Apr 29.

DOI:10.1016/j.fuel.2022.124283
PMID:39309144
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11415264/
Abstract

In this study, the regulated emissions, gaseous toxics, and the physical, chemical, and toxicological properties of particulate matter (PM) emissions from a legacy off-road diesel engine operated on hydrogenated vegetable oil (HVO) and HVO blends with biodiesel were investigated. This is one of the very few studies currently available examining the emissions and potential health effects of HVO and its blends with biodiesel from diesel engines. Extended testing was conducted over the nonroad transient cycle (NRTC) and the 5-mode D2 ISO 8718 cycle. Nitrogen oxide (NOx) emissions showed statistically significant reductions for HVO compared to diesel, whereas the biodiesel blends statistically significant increases in NOx emissions. PM and solid particle number reductions with pure HVO and the biodiesel blends were also observed. Low-molecular weight polycyclic aromatic hydrocarbons (PAHs) were the dominant species in the exhaust for all fuels, with pure HVO and the biodiesel blends showing lower concentrations of these pollutants compared to diesel fuel. Our results showed that the oxidative stress and cytotoxicity in PM emissions decreased with the use of biofuels. Notable correlations were observed between PM emissions and oxidative stress and cytotoxicity, especially elemental carbon and particle-phase PAH emissions.

摘要

在本研究中，对一台使用氢化植物油（HVO）以及HVO与生物柴油混合燃料运行的老式非道路柴油发动机的规定排放物、气态毒物以及颗粒物（PM）排放物的物理、化学和毒理学特性进行了研究。这是目前为数不多的研究柴油发动机中HVO及其与生物柴油的混合燃料的排放物和潜在健康影响的研究之一。在非道路瞬态循环（NRTC）和5模式D2 ISO 8718循环上进行了扩展测试。与柴油相比，HVO的氮氧化物（NOx）排放显示出统计学上的显著降低，而生物柴油混合物的NOx排放则有统计学上的显著增加。还观察到纯HVO和生物柴油混合物的PM和固体颗粒数量减少。低分子量多环芳烃（PAHs）是所有燃料排气中的主要成分，与柴油相比，纯HVO和生物柴油混合物中这些污染物的浓度较低。我们的结果表明，使用生物燃料后，PM排放物中的氧化应激和细胞毒性降低。在PM排放物与氧化应激和细胞毒性之间观察到显著相关性，尤其是元素碳和颗粒相PAH排放。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/d3a7ca8b49e8/nihms-1974004-f0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/dcba4ac99f21/nihms-1974004-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/452668c8df45/nihms-1974004-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/985800398dac/nihms-1974004-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/6860a106993a/nihms-1974004-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/a7ddf7610703/nihms-1974004-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/32331645a506/nihms-1974004-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/d3a7ca8b49e8/nihms-1974004-f0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/dcba4ac99f21/nihms-1974004-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/452668c8df45/nihms-1974004-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/985800398dac/nihms-1974004-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/6860a106993a/nihms-1974004-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/a7ddf7610703/nihms-1974004-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/32331645a506/nihms-1974004-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b34e/11415264/d3a7ca8b49e8/nihms-1974004-f0007.jpg

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