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中国电机工程学报 2009, 29(5) 27-31 DOI:
ISSN: 0258-8013 CN: 11-2107/TM |
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| 热能工程 |
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采用UV/H2O2体系进行烟气脱硫脱硝的实验研究 |
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马双忱，马京香，赵毅，赵莉，苏敏 |
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华北电力大学环境科学与工程学院 |
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摘要：
为寻求一种高效的烟气多污染物脱除技术，采用UV/H2O2体系进行烟气脱硫脱硝实验研究。在自制的鼓泡反应器上考察模拟烟气成分、H2O2溶液浓度和催化剂等影响因素对脱硫脱硝效率的影响，得出了最佳实验条件。当pH值保持在3.3左右，氧气体积浓度大于6%，溶液温度在45℃以下，加入金属催化离子时，SO2及NOx的脱除效率可达到95%以上。对实验结果进行了讨论和分析，认为该技术有望用于现有传统湿式脱硫技术的改造，使其具有同时脱硫脱硝功能。 |
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关键词：
脱硫脱硝
过氧化氢
实验研究
紫外线
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Experimental Study on Desulfurization and Denitrification Using UV/H2O2 System |
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MA Shuang-chen, MA Jing-xiang, ZHAO Yi, ZHAO Li, SU Min |
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School of Environmental Science and Engineering, North China Electric Power University |
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Abstract:
The influencing factors and reaction mechanism of desulfurization and denitrification by UV/H2O2 were studied to find an efficient method for multi-pollutants control. Effects of the compositions of simulating flue gas, concentration of H2O2 and catalyst etc. on the efficiency of desulfurization and denitrification were studied by self-designed bubbling reactor, and the optimum conditions were achieved. The removal efficiencies of SO2 and NOx can both be above 95%, which are gained under pH value about 3.3, more than 6% of O2 content, less than 45 ℃ of temperature and addition of metal ions as catalyst. The experimental results were discussed and analyzed, it is regarded the technology as a method to rebuild for traditional wet desulfurization unit, make it have the function of simultaneous desulfurization and denitrification. |
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Keywords:
desulfurization and denitrification
hydrogen peroxide
experimental studies
ultraviolet
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收稿日期 2008-04-02 修回日期 网络版发布日期 2009-03-10 |
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DOI: |
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基金项目:
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通讯作者: 马双忱 |
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作者简介: |
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