Co-Fe/ZSM-5催化臭氧化降解废水中苯酚的性能研究 - 202006 - 肥料与健康
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Co-Fe/ZSM-5催化臭氧化降解废水中苯酚的性能研究
Study on the Performance of Co-Fe/ZSM-5 Catalytic Ozonation to Degrade Phenol in Wastewater
徐增益 Zengyi XU , 余金鹏 Jinpeng YU , 郝敏 Min HAO , 李森 Sen LI , 王士勇 Shiyong WANG , 张佳 Jia ZHANG , 王鹏飞 Pengfei WANG
1 上海化工研究院有限公司 上海 200062 Shanghai Research Institute of Chemical Industry Co., Ltd., Shanghai 200062, China 2 上海绿强新材料有限公司 上海 201608 Shanghai Lüqiang New Materials Co., Ltd., Shanghai 201608, China 3 聚烯烃催化技术与高性能材料国家重点实验室 上海 200062 State Key Laboratory of Polyolefins and Catalysis, Shanghai 200062, China 4 上海市聚烯烃催化技术重点实验室 上海 200062 Shanghai Key Laboratory of Catalysis Technology for Polyolefins, Shanghai 200062, China
Author notes:
Correspondence to: 王鹏飞(1969—)，男，博士，教授级高级工程师，从事新型分子筛在煤化工、石油化工等领域的应用研究; wpf@sh-lq.com
摘要：

以碱改性后的ZSM-5分子筛作为催化剂载体，采用等体积浸渍法制备Co-Fe/ZSM-5催化剂，并采用扫描电子显微镜(SEM)、X射线荧光光谱仪(XRF)、X射线衍射仪(XRD)、物理吸附仪(BET)、傅里叶红外光谱仪(FT-IR)等对其进行表征，研究了所制催化剂催化臭氧化降解废水中苯酚的效果。结果表明：采用经过NaOH改性后的ZSM-5分子筛制备的Co-Fe/ZSM-5催化剂，表面颗粒负载均匀，催化性能优良; 在溶液pH为6~7、臭氧质量浓度为20 mg/L、含臭氧空气通量为0.4 L/min、催化剂投加量为0.2 g/L的条件下，处理苯酚质量浓度为100 mg/L的废水60 min后，苯酚的去除率为92.9%，COD的降解率为86.0%。

关键词：
Co-Fe/ZSM-5; 负载型催化剂; 臭氧; 苯酚; 催化氧化; 碱改性;
Abstract：

Using alkali modified ZSM-5 molecular sieve as the catalyst carrier, the Co-Fe/ZSM-5 catalyst was prepared by an equal volume impregnation method, and it was characterized by scanning electron microscope (SEM), X-ray fluorescence spectrometer (XRF), X-ray diffractometer (XRD), physical adsorption instrument (BET), Fourier infrared spectrometer (FT-IR), etc., and the effect of the prepared catalyst on the catalytic ozonation degradation of phenol in wastewater was studied. The results showed that the Co-Fe/ZSM-5 catalyst prepared by the ZSM-5 molecular sieve modified by NaOH had uniform surface particle loading and excellent catalytic performance; under the condition that the pH of the solution was 6~7, the mass concentration of ozone was 20 mg/L, the air flux containing ozone was 0.4 L/min, and the catalyst dosage was 0.2 g/L, the mass concentration of phenol in the wastewater was 100 mg/L, after 60 minutes of treatment, the removal rate of phenol was 92.9%, and the degradation rate of COD was 86.0%.

Keyword：
Co-Fe/ZSM-5; supported catalyst; ozone; phenol; catalytic oxidation; alkali modification;
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