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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Enhanced Decomposition of Dichloromethane in Air by Multi-Pass Electron Beam Irradiation
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Enhanced Decomposition of Dichloromethane in Air by Multi-Pass Electron Beam Irradiation

机译：通过多通电子束照射增强了空气中二氯甲烷的分解

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摘要

The decomposition of dichloromethane (CH_2Cl_2) in model air gases 9concentration,around 100 ppm) by elecron beam (EB) and #gamma#-ray irradiation was studied using batch-type glass reactors of 500 ml volume.The addition effect of water on he decomposition was also investigated.In dry air,one-pass EB irradiation (10.7 kGy s~(-1) induced only 65% decomposition,even at 32 kGy,but the #gamma#-ray irradiation (2 kGy h~(-1) or EB multi-pass irradiation (1.33 kGy s~(-1) decomposed CH_2Cl_2 100% at 32 kGy.Water addition (4 ml) ehnanced the decomposition percentage to 96% at 16 kGy,even by one-pass irradiation.In dry air,the formation of CO_2,CO,phosgene and chloroform was confirmed.The mechanism for the above addition effect was considered as well as for the multi-pass irradiation effect.
机译：使用500ml体积的分批型玻璃反应器研究了通过Elecron束（EB）和＃γ＃-射线辐射的模型气体9封存的二氯甲烷（CH_2Cl_2）的分解。 还调查了分解。在干燥空气中，单通EB辐射（10.7 kgy s〜（-1）诱导只有65％的分解，即使在32 kgy，但＃伽马＃-ray辐照（2 kgy h〜（-1 ）或EB多通辐射（1.33 kgy s〜（-1）在32 kgy中分解CH_2Cl_2 100％。除了一次通过辐照，将分解百分比延伸至96％，甚至通过一次通过辐照。 确认空气，Co_2，Co，光气和氯仿的形成。考虑了上述添加效果的机制以及多通辐射效应。

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    Sri Wahyuni; Koichi Hirota; Teruyuki Hakoda; Hidehiko Arai; Shoji Hashimoto; Fumio Kawamoto; Yasuo Mukunoki;

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    Department of Radiation Research for Environment and Resources Japan Atomic Energy Research Institute 1233 Watanuki-machi Takasaki Gunma 370-1292;

    Department of Radiation Research for Environment and Resources Japan Atomic Energy Research Institute 1233 Watanuki-machi Takasaki Gunma 370-1292;

    Department of Radiation Research for Environment and Resources Japan Atomic Energy Research Institute 1233 Watanuki-machi Takasaki Gunma 370-1292;

    Department of Radiation Research for Environment and Resources Japan Atomic Energy Research Institute 1233 Watanuki-machi Takasaki Gunma 370-1292;

    Department of Radiation Research for Environment and Resources Japan Atomic Energy Research Institute 1233 Watanuki-machi Takasaki Gunma 370-1292;

    Fuji Photo Film Co. Ltd. 210 Nakanuma Minamiashigara Kanagawa 250-0123;

    Fuji Photo Film Co. Ltd. 210 Nakanuma Minamiashigara Kanagawa 250-0123;

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  • 正文语种 eng
  • 中图分类 化学;化学工业;
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