| 铁路行业喷漆工艺中VOCs废气净化的研究 |
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| 引用本文： | 刘丽娟,张春晖. 铁路行业喷漆工艺中VOCs废气净化的研究[J]. 内蒙古环境科学, 2012, 0(1): 100-103 |
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| 作者姓名： | 刘丽娟 张春晖 |
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| 作者单位： | [1]中铁工程设计院有限公司,北京100070 [2]中国矿业大学（北京）化学与环境工程学院,北京100083 |
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| 摘 要： | 本文拟采用烧结金属粉末微孔过滤材料为吸附材料,催化剂为CuMn/γ-Al2O3来净化铁路行业喷漆过程中产生的VOCs废气。试验结果：VOCs中甲苯和二甲苯在温度高于260℃条件下转化率大于99%。在温度高于290℃,苯的转化率同样可以超过99%。经过现场试验验证：VOCs在温度300℃时经过烧结金属粉末过滤器处理后,以上三种废气的去除率均大于99%,排放浓度低于北京市《大气污染物综合排放标准》DB11/501-2007中的排放限值。
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| 关 键 词： | 喷漆工艺 VOCs废气 烧结金属 催化材料 |
Study on the Removal of VOCs in the Railway Industry Printing Process |
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| Liu Lijuan,Zhang Chunhui. Study on the Removal of VOCs in the Railway Industry Printing Process[J]. Inner Mongolia Environmental Protection, 2012, 0(1): 100-103 |
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| Authors: | Liu Lijuan Zhang Chunhui |
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| Affiliation: | 1.China Railway Engineering Design Institute Co.,Ltd.,Beijing 100070; 2.Schoole of Chemical ＆ Environmental Engineering,China University of Mining ＆ Technology(Beijing),Beijing 100083) |
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| Abstract: | In this paper,in order to remove VOCs in the railway industry printing process,the sintered metal powder porous filter material was used as the adsorption material,and CuMn/γ-Al2O3 as the catalyst.The result showed that the conversion rate of toluene and xylene was higher than 99% with the temperature above 260 ℃.The conversion rate of benzene was also higher than 99% with the temperature above 290 ℃.It had been proved by the spot experiment that after VOCs was treated by the sintered metal powder filters at the temperature of 300 ℃,the removal rates of the three kinds of the exhaust gas above were all higher than 99%,the emission concentrations of less than the emission limits in ＂Air Pollutant Emission Standards＂ DB11/501-2007 in Beijing. |
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| Keywords: | printing process VOCs sintered metal catalytic materials |
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