河北水利电力学院学报 ›› 2022, Vol. 32 ›› Issue (4): 49-53.DOI: 10.16046/j.cnki.issn2096-5680.2022.04.009

• 遥感与生态环境专题 • 上一篇    下一篇

超声波协同紫外光催化降解乙酰苯胺废水

钟先锦1, 吴军伟1, 王文宇1, 方丽波1, 王德顺2   

  1. 1.合肥职业技术学院生物工程学院,安徽省巢湖市姥山南路1号 238014;
    2.巢湖市污水处理管理处,安徽省巢湖市银屏路79号 238008
  • 收稿日期:2022-05-19 修回日期:2022-06-06 出版日期:2022-12-31 发布日期:2023-10-27
  • 作者简介:钟先锦(1980-),男,安徽含山人,副教授,主要研究方向:环境污染控制。E-mail:zxj1980812@163.com
  • 基金资助:
    安徽省教育厅自然科学重点项目(KJ2020A0980);安徽省教育厅自然科学重点项目(KJ2020A0981);合肥职业技术学院自然科学重点项目(202014KJA008);安徽省职业与成人教育学会项目(azcg190)

Degradation of Acetanilide Wastewater by Ultrasonic and Ultraviolet Synergetic Catalytic System

ZHONG Xian-jin1, WU Jun-wei1, WANG Wen-yu1, FANG Li-bo1, WANG De-shun2   

  1. 1. Department of Biology, Hefei Vocational and Technical College, 238014, Chaohu, Anhui, China;
    2. Chaohu Sewage Treatment Management Office, 238008, Chaohu, Anhui, China
  • Received:2022-05-19 Revised:2022-06-06 Online:2022-12-31 Published:2023-10-27

摘要: 以纳米TiO2为催化剂,采用超声波联合光催化降解水溶液中乙酰苯胺,考察了影响乙酰苯胺降解效率的多种因素,结果表明,反应器中纳米TiO2的浓度为0.08g/L,乙酰苯胺的浓度0.25g/L,溶液pH分别为6.00,光照强度为100μW/cm2、回流泵流量1L/min,超声波振动棒频率15kHz,超声波功率强度0.33W/cm2,溶液COD去除效率最高达85.31%。超声波光催化联合降解体系具有协同效应,反应过程服从动力学一级反应。

关键词: 超声波, 光催化, 纳米TiO2, 乙酰苯胺

Abstract: Acetanilide in water was degraded by ultrasonic wave(US)-ultraviolet light(UV)synergetic catalytic system with TiO2 nanoparticles as catalyst.Various factors affecting the degradation efficiency of acetanilide were investigated. The results showed that the concentration of nano-TiO2 was 0.08g/L and the concentration of acetanilid-e was 0.25 g/L, solution pH 6.00, light intensity 100 μw/cm2, reflux pump flow 1L/min, ultrasonic vibrator freque-ncy 15kHz, ultrasonic power intensity 0.33 w/cm2, acetanilide degradation efficiency up to 85.31%. The combined degradation system of ultrasonic wave and photocatalysis has synergistic effect, and the reaction process followed the kinetic first-order reaction.

Key words: ultrasonic wave, photocatalysis, nano-TiO2, acetanilide

中图分类号: