Treatment of wood by sulfate radical oxidation produced from thermally-activated persulfate: VOCs emission and wood property evaluation
编号:107
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更新:2021-09-23 21:22:22 浏览:265次
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摘要
Wood emits volatile organic compounds (VOCs) that can affect people’s health and air quality. Based on advanced oxidation processes (AOPs), sulfate radicals produced via thermally-activated persulfate can minimize VOCs. This research aims to apply this technique to minimize the VOCs content in Pinus radiata. The results showed that terpenes and alcohols were the main VOCs emitted from Pinus radiata, which were greatly minimized using four different treatments; however, acetic acid and 3-furaldehyde emissions increased. Furthermore, the temperature and oxidizing agent contributed to VOCs degradation. Characterization results including FTIR, XRD, color tests, and compressive strength indicated that the AOPs treatment caused only a slight decline in the wood properties while effectively reducing VOCs emissions as much as 32.75-61.05 %.
关键词
Volatile organic compounds (VOCs), Sulfate radical, Advanced oxidation processes (AOPs), Thermal activation, Pinus radiata.
稿件作者
黄安民
中国林业科学研究院木材工业研究所
张世锋
北京林业大学
苏莹莹
中国林业科学研究院木材工业研究所
王志平
中国林业科学研究院
付跃进
中国林业科学研究院
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