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现代化工  2021, Vol. 41 Issue (10): 162-167    DOI: 10.16606/j.cnki.issn0253-4320.2021.10.033
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
双金属催化剂催化臭氧化苯甲酸钠的研究
徐增益1, 余金鹏1,2,3,4, 张佳1,2, 李森1, 王士勇1, 尤雅芳1, 王鹏飞1,2,3,4
1. 上海化工研究院有限公司, 上海 200062;
2. 上海绿强新材料有限公司, 上海 201608;
3. 聚烯烃催化技术与高性能材料国家重点实验室, 上海 200062;
4. 上海市聚烯烃催化技术重点实验室, 上海 200062
Catalytic ozonation of sodium benzoate by bimetallic catalysts
XU Zeng-yi1, YU Jin-peng1,2,3,4, ZHANG Jia1,2, LI Sen1, WANG Shi-yong1, YOU Ya-fang1, WANG Peng-fei1,2,3,4
1. Shanghai Research Institute of Chemical Industry Co., Ltd., Shanghai 200062, China;
2. Shanghai Luqiang New Materials Co., Ltd., Shanghai 201608, China;
3. State Key Laboratory of Polyolefin Catalytic Technology and Performance Materials, Shanghai 200062, China;
4. Shanghai Key Laboratory of Catalysis Technology for Polyolefins, Shanghai 200062, China
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摘要 以碱改性后的ZSM-5分子筛为载体,采用等体积浸渍法制备双金属负载型催化剂,并利用SEM、XRF、XRD、BET、FT-IR等技术对其进行表征,探究其催化臭氧对废水降解效果的影响。结果表明,以Fe、Co双金属为活性组分制备的Fe-Co/ZSM-5催化性能较好,其表面颗粒组分均匀分布,具有较大的比表面积及良好的孔隙结构。用于处理300 mL质量浓度为100 mg/L的苯甲酸钠废水时,当反应温度为50℃、溶液pH在6~7之间、臭氧质量浓度为4.0 mg/L、臭氧通量为2.0 L/min、催化剂投加质量浓度为1.0 g/L时,废水的降解效果最佳;在80 min时,苯甲酸钠的去除率可达93.8%,废水COD的降解率可达91.3%。
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徐增益
余金鹏
张佳
李森
王士勇
尤雅芳
王鹏飞
关键词:  臭氧  碱改性  双金属负载型催化剂  ZSM-5  苯甲酸钠    
Abstract: The supported bimetallic catalysts are prepared through an equal volume impregnation method by using ZSM-5 as carrier, and characterized by means of SEM, XRF, XRD, BET and FT-IR.The catalytic activity of the catalysts for ozonation of sodium benzoate in wastewater is evaluated.The results show that Fe-Co/ZSM-5 catalyst prepared with Fe and Co as active components has better catalytic performance, with uniform distribution of surface particle components, large specific surface area and good pore structure.The degradation effect of wastewater reaches the best if the catalyst is used to treat with 300 mL of sodium benzoate-containing wastewater with a concentration of 100 mg·L-1 under the conditions that reaction temperature is at 50℃, pH of the solution is between 6 and 7, ozone concentration is 4.0 mg·L-1, ozone flux is 2.0 L·min-1, and the catalyst dosage is 1.0 g·L-1.The removal rate of sodium benzoate can reach 93.8% and the degradation rate of COD in wastewater can reach 91.3% when the reaction has performed for 80 minutes.
Key words:  ozone    alkaline modified    supported bimetallic catalyst    ZSM-5    sodium benzoate
收稿日期:  2020-11-04      修回日期:  2021-08-08           出版日期:  2021-10-20
ZTFLH:  X703.1  
  X52  
基金资助: 上海市工业强基专项(GYQJ-20118-1-22)
通讯作者:  王鹏飞(1969-),男,博士,教授级高级工程师,研究方向为新型分子筛在煤化工、石油化工等领域的应用,通讯联系人,wpf@sh-lq.com。    E-mail:  wpf@sh-lq.com
作者简介:  徐增益(1995-),女,硕士研究生,研究方向为工业废水处理与控制,1181512974@qq.com
引用本文:    
徐增益, 余金鹏, 张佳, 李森, 王士勇, 尤雅芳, 王鹏飞. 双金属催化剂催化臭氧化苯甲酸钠的研究[J]. 现代化工, 2021, 41(10): 162-167.
XU Zeng-yi, YU Jin-peng, ZHANG Jia, LI Sen, WANG Shi-yong, YOU Ya-fang, WANG Peng-fei. Catalytic ozonation of sodium benzoate by bimetallic catalysts. Modern Chemical Industry, 2021, 41(10): 162-167.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2021.10.033  或          https://www.xdhg.com.cn/CN/Y2021/V41/I10/162
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