Identification and characterization of odorous volatile organic compounds emitted from wood-based panels
Identification and characterization of odorous volatile organic compounds emitted from wood-based panels
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从人造板散发的有气味的挥发性有机化合物的鉴定和特性
DOI：
10.1007/s10661-019-7939-5
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发表时间：
2020-05-09
影响因子：
3
通讯作者：
Yuan, Diliang
中科院分区：
文献类型：
--
作者：
Liu, Yu;Zhu, Xiaodong;Yuan, Diliang
在室内空气质量研究中，人造板及其制品排放的挥发性有机物（VOCs）浓度被认为是影响室内空气质量的主要因素。低浓度的VOC，甚至低于检测限，也会产生负面影响。本文采用气相色谱-质谱联用技术对刨花板和层压板中的挥发性有机物进行了采集和分析，并利用气味活性值确定了关键气味挥发性有机物。刨花板中总挥发性有机化合物（TVOC）的浓度高于层压板。卤代化合物、酯类和芳香烃是挥发性有机化合物总排放量的主要来源，这可能与面板制造过程中添加的添加剂有关。11种挥发性有机化合物被美国《清洁空气法》列为有害空气污染物。醛类是OAV的主要贡献者;大多数醛类具有令人不快的气味，例如脂肪酸，其导致周围空气的气味。辛醛是醛类化合物中的主要气味物质。
In studying indoor air quality, the concentration of volatile organic compounds (VOCs) emitted from wood-based panels and products is considered a main influencing factor. VOCs with low concentrations, even below the detection limit, can also have negative effects. Herein, VOCs emitted from particleboards and laminated boards were collected and analysed by GC-MS, and key odorous VOCs were identified using the odor activity value. Compared with laminated boards, particleboards showed higher concentration of total volatile organic compound (TVOC). Halogenated compounds, esters, and aromatic hydrocarbons were main contributors to total VOC emissions, which could relate to the addition of additives used during panel manufacturing. Eleven VOCs were identified that listed as hazardous air pollutants in the US Clean Air Act. Aldehydes were the major contributor to the OAV; most aldehydes have unpleasant odors, such as fatty acids, which contribute to the smell of surrounding air. Octanal was the dominant odorant in the aldehyde compounds.