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Study on the Transformation and Degradation of Volatile Organic Compounds

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (8 November 2023) | Viewed by 2245

Special Issue Editors

College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Interests: air pollution; volatile organic compounds degradation; emerging contaminants; theoretical calculations in quantum chemistry; transformation and degradation mechanism

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Guest Editor
School of Environmental and Material Engineering, Yantai University, Yantai 264005, China
Interests: volatile organic compounds degradation; transformation and degradation mechanism; atmospheric heterogeneous reactions; air pollution; theoretical calculations in quantum chemistry

Special Issue Information

Dear Colleagues,

Volatile organic compounds (VOCs), with a boiling point ranging from 50 to 250 °C, which mainly contain alkanes, aromatics, alkenes, carboxylic acids, esters, and alcohols, have been proven to seriously damage the environment and human health owing to their toxic carcinogenesis and environmental destructiveness, such as photochemical smog, greenhouse effect, and stratospheric ozone depletion. VOCs usually come from both outdoor and indoor sources, ranging from refineries, gas stations, and fine chemical industries (paper, paint, electroplating) to household products, printers, heat-exchanger systems, and even leakage from piping. In general, the emitted VOC pollutants are not fixed in the original medium; instead, they tend to move across and accumulate in different environmental media, including soil, water, and air. Highly effective VOC elimination techniques for ecological remediation are thus of great importance and in urgent need. In addition, knowledge of the transformation and degradation mechanism of VOCs in air, soil, and water is also of great significance for VOC prevention and control. Papers addressing these topics are invited for this Special Issue, especially those combining deep mechanism investigation with advanced technologies focused on VOC treatment and the formation potential of secondary organic aerosols (SOA).

Dr. Bo Wei
Dr. Jianfei Sun
Guest Editors

Manuscript Submission Information

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Keywords

  • VOC degradation
  • VOC transformation
  • VOC treatment
  • VOC removal technology
  • modeling
  • degradation mechanism and kinetics
  • atmospheric transport process

Published Papers (1 paper)

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Research

11 pages, 2159 KiB  
Article
Detailed Speciation of Semi-Volatile and Intermediate-Volatility Organic Compounds (S/IVOCs) in Marine Fuel Oils Using GC × GC-MS
by Rongzhi Tang, Kai Song, Yuanzheng Gong, Dezun Sheng, Yuan Zhang, Ang Li, Shuyuan Yan, Shichao Yan, Jingshun Zhang, Yu Tan and Song Guo
Int. J. Environ. Res. Public Health 2023, 20(3), 2508; https://doi.org/10.3390/ijerph20032508 - 31 Jan 2023
Cited by 1 | Viewed by 1830
Abstract
Ship emissions contribute substantial air pollutants when at berth. However, the complexity and diversity of the marine fuels utilized hinder our understanding and mapping of the characteristics of ship emissions. Herein, we applied GC × GC-MS to analyze the components of marine fuel [...] Read more.
Ship emissions contribute substantial air pollutants when at berth. However, the complexity and diversity of the marine fuels utilized hinder our understanding and mapping of the characteristics of ship emissions. Herein, we applied GC × GC-MS to analyze the components of marine fuel oils. Owing to the high separation capacity of GC × GC-MS, 11 classes of organic compounds, including b-alkanes, alkenes, and cyclo-alkanes, which can hardly be resolved by traditional one-dimensional GC-MS, were detected. Significant differences are observed between light (-10# and 0#) and heavy (120# and 180#) fuels. Notably, -10# and 0# diesel fuels are more abundant in b-alkanes (44~49%), while in 120# and 180#, heavy fuels b-alkanes only account for 8%. Significant enhancement of naphthalene proportions is observed in heavy fuels (20%) compared to diesel fuels (2~3%). Hopanes are detected in all marine fuels and are especially abundant in heavy marine fuels. The volatility bins, one-dimensional volatility-based set (VBS), and two-dimensional VBS (volatility-polarity distributions) of marine fuel oils are investigated. Although IVOCs still take dominance (62–66%), the proportion of SVOCs in heavy marine fuels is largely enhanced, accounting for ~30% compared to 6~12% in diesel fuels. Furthermore, the SVOC/IVOC ratio could be applied to distinguish light and heavy marine fuel oils. The SVOC/IVOC ratios for -10# diesel fuel, 0# diesel fuel, 120# heavy marine fuel, and 180# heavy marine fuel are 0.085 ± 0.046, 0.168 ± 0.159, 0.504, and 0.439 ± 0.021, respectively. Our work provides detailed information on marine fuel compositions and could be further implemented in estimating organic emissions and secondary organic aerosol (SOA) formation from marine fuel storage and evaporation processes. Full article
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