Treatment of methylene blue wastewater by dielectric barrier discharge plasma combining with halloysite adsorption process

doi:10.11894/1005-829x.2017.37(7).085

Abstract

Abstract: In order to further improve the effect of methylene blue(MB)degradation,the method by combining dielectric barrier discharge plasma with adsorption synergistically has been put forward,and the adsorbent characterized by XRD and FT-IR methods. The research results show that the degrading rate of MB is 96.36% after a 120-minute treatment by the combined system. When the initial mass concentration of methylene blue is 50 mg/L,HNTs dosage 70 mg/L,discharge power 150 W,pH 6.7 and air flow 200 mL/min,the removal of MB is optimal.

Key words: dielectric barrier discharge plasma, halloysite nanotubes, methylene blue, decoloration rate

摘要： 为进一步提高对亚甲基蓝（MB）的降解效果，提出了介质阻挡放电等离子体协同吸附方法，并利用XRD、FTIR 方法对吸附剂进行表征分析。研究结果表明，处理120 min 后，协同体系对MB 的降解率为96.36%。当MB的初始质量浓度为50 mg/L、HNTs的投加量为70 mg/L、放电功率为150 W、pH 为6.7、通气量为200 mL/min时，MB的去除效果较好。

关键词: 介质阻挡放电等离子体, 埃洛石纳米管, 亚甲基蓝, 脱色率

CLC Number:

X703.1

Yu Fang, Chen Yuantao, Zhang Wei, He Wenfang, Wang Yunsheng, Liu Chen. Treatment of methylene blue wastewater by dielectric barrier discharge plasma combining with halloysite adsorption process[J]. INDUSTRIAL WATER TREATMENT, 2017, 37(7): 85-88,95.

余芳, 陈元涛, 张炜, 赫文芳, 王雲生, 刘晨. 埃洛石吸附-介质阻挡放电等离子体处理亚甲基蓝废水[J]. 工业水处理, 2017, 37(7): 85-88,95.

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URL: https://www.iwt.cn/EN/10.11894/1005-829x.2017.37(7).085

https://www.iwt.cn/EN/Y2017/V37/I7/85

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