Removal of cyclic volatile methylsiloxanes in effluents from treated landfill leachate by electrochemical oxidation

被引：4
|
作者：
Zhang, Chunhui [1 ]
Jin, Minying [1 ]
Tang, Jiawei [1 ]
Gao, Xiangyu [1 ]
机构：
[1] China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Room 607,Yifu Bldg,Ding 11 Xueyuan Rd, Beijing 100083, Peoples R China
来源：
JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT | 2018年 / 20卷 / 01期
关键词：
Cyclic volatile methylsiloxanes (cVMSs); Landfill leachate; Electrochemical oxidation; Wastewater treatment plants (WWTPs); WATER TREATMENT-PLANT; WASTE-WATER; METHYL SILOXANES; FATE; PHOTOCATALYSIS; DEGRADATION;
D O I：
10.1007/s10163-016-0554-4
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An electrochemical oxidation reactor was used for advanced treatment of cyclic volatile methylsiloxanes using stainless steel plates as anode and cathode electrode. Several key factors were studied to optimize the electrochemical oxidation process. During the electrochemical oxidation process, the removal efficiencies of D5 (decamethylcyclopentasiloxane) increased with the reaction time and applied current densities. At the optimal operating parameters including plate distance of 1.0 cm, electrode plate amounts of 4 pairs, current density of 20 mA/cm(2) and reaction time of 30 min, the removal efficiencies of D4 (octamethylcyclotetrasiloxane), D5 (decamethylcyclopentasiloxane), and D6 (dodecamethylcyclohexasiloxane) can reach 100, 82.1, and 72.5 %, respectively.
引用
收藏
页码：690 / 694
页数：5
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