| Experimental Study of a Photocatalytic Reactor for Trace Formaldehyde Removal |
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| 引用本文： | 刘红敏 连之伟 叶晓江 上官文峰. Experimental Study of a Photocatalytic Reactor for Trace Formaldehyde Removal[J]. 东华大学学报(英文版), 2005, 22(3): 111-115 |
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| 作者姓名： | 刘红敏 连之伟 叶晓江 上官文峰 |
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| 作者单位： | [1]Merchant Marine College, Shanghai Maritime University, Shanghai 200135 [2]Institute of Refrigeration and Cryogenics, Shanghai JiaoTong University, Shanghai 200030 [3]Department of Resource and Environment Engineering, Shanghai Jiao Tong University, Shanghai 200030 |
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| 基金项目： | This research is financed by the Foundation against SARS of shanghai Sci-tech Committee （NK 2003 - 006） |
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| 摘 要： | Formaldehyde is the key contaminant influencing building occupants＇ health in indoor environment. In order to reduce occupants＇ exposures to formaldehyde, a newly designed photocatalytic reactor was applied in a dynamic HVAC （heating, ventilation and air conditioning） system. The experiments were carried out for the removal of formaldehyde present in air at low parts per million （ppm） concentrations. The initial formaldehyde concentrations were set as 1.59 ppm and 0.27 ppm respectively, based on the formaldehyde levels in the polluted places. Experimental results show that the photocatalytic reactor is effective on formaldehyde photodegradation, causes a low pressure drop, and does not make the second pollution of ozone. The kinetic anaiysis indicates that the kinetics for oxidation processes can be fitted well by a pseudo-first-order kinetic model deduced from Langmuir - Hinshelwood （L-H） model.
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| 关 键 词： | 室内环境污染 甲醛 二氧化钛 光催化作用 空气调节系统 空气净化 |
| 收稿时间： | 2004-06-09 |
Experimental Study of a Photocatalytic Reactor for Trace Formaldehyde Removal |
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| LIU Hong-min,LIAN Zhi-wei,YE Xiao-jiang,SHANG-GUAN Wen-feng. Experimental Study of a Photocatalytic Reactor for Trace Formaldehyde Removal[J]. Journal of Donghua University, 2005, 22(3): 111-115 |
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| Authors: | LIU Hong-min LIAN Zhi-wei YE Xiao-jiang SHANG-GUAN Wen-feng |
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| Abstract: | Formaldehyde is the key contaminant influencing building occupants' health in indoor environment. In order to reduce occupants' exposures to formaldehyde, a newly designed photocatalytic reactor was applied in a dynamic HVAC(heating, ventilation and air conditioning) system. The experiments were carried out for the removal of formaldehyde present in air at low parts per million (ppm) concentrations.The initial formaldehyde concentrations were set as1.59 ppm and 0.27 ppm respectively, based on the formaldehyde levels in the polluted places. Experimental results show that the photocatalytic reactor is effective on formaldehyde photodegradation, causes a low pressure drop, and does not make the second pollution of ozone. The kinetic analysis indicates that the kinetics for oxidation processes can be fitted well by a pseudo-first-order kinetic model deduced from Langmuir - Hinshelwood (L-H) model. |
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| Keywords: | formaldehyde titanium dioxide photocatal ytic reactor air-conditioning system |
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