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Catalytic Wet Air Oxidation of oChlorophenol in Wastewater 被引量:2

Catalytic Wet Air Oxidation of oChlorophenol in Wastewater
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摘要 Catalytic wet air oxidation (CWAO) was investigated in laboratory-scale experiments for the treatment of o-chlorophenol in wastewater. Experimental results showed that wet air oxidation (WAO) process in the absence of catalyst was also effective for o-chlorophenol in wastewater treatment. Up to 80% of the initial CODCr was removed by wet air oxidation at 270℃ with twice amount of the required stoichiometric oxygen supply. At temperature of 150℃, the removal rate of CODCr was only 30%. Fe2(SO4)3, CuSO4, Cu(NO3)2 and MnSO4 exhibited high catalytic activity. Higher removal rate of CODCr was obtained by CWAO. More than 96% of the initial CODCr was removed at 270℃ and 84.6%-93.6% of the initial CODCr was removed at 150℃. Mixed catalysts had better catalytic activity for the degradation of o-chlorophenol in wastewater. Catalytic wet air oxidation (CWAO) was investigated in laboratory-scale experiments for the treatment of o-chlorophenol in wastewater. Experimental results showed that wet air oxidation (WAO) process in the absence of catalyst was also effective for o-chlorophenol in wastewater treatment. Up to 80% of the initial CODcr was removed by wet air oxidation at 270℃ with twice amount of the required stoichiometric oxygen supply. At temperature of 150℃, the removal rate of CODCr was only 30%. Fe2(SO4)3, CuSO4, Cu(NO3)2 and MnSO4 exhibited high catalytic activity. Higher removal rate of CODcr was obtained by CWAO. More than 96% of the initial CODcr was removed at 270℃ and 84.6%-93.6% of the initial COD Cr was removed at 150℃. Mixed catalysts had better catalytic activity for the degradation of o-chlorophenol in wastewater.
出处 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2003年第3期352-354,共3页 中国化学工程学报(英文版)
基金 Supported by the Returnee Fourndation of China Ministry of Education.
关键词 o-chlorophenol wastewater wet air oxidation CATALYST 接触反应 催化湿式氧化处理 邻氯苯酚 废水处理 催化剂
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