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现代化工  2018, Vol. 38 Issue (8): 94-98    DOI: 10.16606/j.cnki.issn0253-4320.2018.08.020
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
类Fenton反应催化剂的制备及其处理废切削液的研究
李雪伟, 张春桃, 梁文懂, 王海蓉, 毛磊
武汉科技大学化学与化工学院, 煤炭转化与新型炭材料湖北省重点实验室, 湖北 武汉 430081
Preparation of Fenton-like reaction catalyst and its application in treatment of waste cutting fluid
LI Xue-wei, ZHANG Chun-tao, LIANG Wen-dong, WANG Hai-rong, MAO Lei
Hubei Province Key Laboratory of Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
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摘要 采用置换反应法制备了铜包铁粉催化剂,并用SEM、XRD、ICP对其进行了表征。研究了铜包铁粉催化类Fenton反应处理废切削液过程中,pH、催化剂质量浓度、反应时间、絮凝沉淀等工艺条件对COD去除率的影响。结果表明,当废切削液破乳出水初始pH 3、催化剂质量浓度为4.228 g/L、过氧化氢体积分数为193 mL/L、反应时间为3 h时,铜包铁粉催化类Fenton反应处理效果最优,反应后回调pH 10,投加10 g/L的聚合氯化铝混凝沉淀后,废切削液COD去除率可达96.7%。在铁基类Fenton催化剂上负载单质铜,可以显著提高其催化活性。
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李雪伟
张春桃
梁文懂
王海蓉
毛磊
关键词:  废切削液  铜包铁粉催化剂  类Fenton反应  COD    
Abstract: A kind of copper cladded iron powder catalyst is prepared by single displacement reaction method and then is characterized by SEM,XRD and ICP.Effects of pH,catalyst dosage,reaction time and coagulation-precipitation on the COD removal efficiency are experimentally studied in the waste cutting fluid treatment via Fenton-like reaction catalyzed by copper cladded iron powder.The results indicate that the optimal treatment effect via Fenton-like reaction catalyzed by copper cladded iron powder will be achieved when the demulsification water of waste cutting fluid water has an initial pH of 3,catalyst dosage is 4.228 g·L-1,dosage of hydrogen peroxide is 193 mL·L-1 and reaction time is 3 h.The COD removal rate of waste cutting fluid can reach 96.7% when the pH of waste cutting fluid after Fenton-like reaction is adjusted back to 10 and 10 g·L-1 PAC is added for coagulation and flocculation.The loading of copper on iron-based Fenton catalyst can improve its catalytic activity significantly.
Key words:  waste cutting fluid    copper cladded iron powder catalyst    Fenton-like reaction    COD
收稿日期:  2017-12-20      修回日期:  2018-06-15           出版日期:  2018-08-20
X76  
基金资助: 国家自然科学基金项目(21776225);湖北省教育厅科学技术研究计划重点项目(D20151101)
通讯作者:  张春桃(1978-),男,博士,副教授,主要从事工业结晶技术方面研究,通讯联系人,zhangchuntao@wust.edu.cn    E-mail:  zhangchuntao@wust.edu.cn
作者简介:  李雪伟(1993-),男,硕士研究生,研究方向为废水处理,2464303845@qq.com。
引用本文:    
李雪伟, 张春桃, 梁文懂, 王海蓉, 毛磊. 类Fenton反应催化剂的制备及其处理废切削液的研究[J]. 现代化工, 2018, 38(8): 94-98.
LI Xue-wei, ZHANG Chun-tao, LIANG Wen-dong, WANG Hai-rong, MAO Lei. Preparation of Fenton-like reaction catalyst and its application in treatment of waste cutting fluid. Modern Chemical Industry, 2018, 38(8): 94-98.
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http://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2018.08.020  或          http://www.xdhg.com.cn/CN/Y2018/V38/I8/94
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