Study on purification technology of polyacrylamide wastewater by non-thermal plasma

被引：6
|
作者：
Rong, Junfeng [1 ]
Zhu, Kaixun [1 ]
Chen, Minggong [1 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Chem Engn, Huainan 232001, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2019年 / 21卷 / 05期
关键词：
non-thermal plasma; polyacrylamide; COD degradation rate; viscosity removal rate; discharge voltage; TEXTILE DYES; DEGRADATION; OXIDATION;
D O I：
10.1088/2058-6272/aafceb
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
In this work, non-thermal plasma has been applied to treat polyacrylamide (PAM) wastewater. We have investigated the influence of the rule of PAM wastewater initial pH, solution concentration and discharge time, discharge voltage on chemical oxygen demand (COD) degradation rate. At the same time, the effect of pH and discharge time on the viscosity removal rate of PAM solution was also studied. Then, the effect of pH on the viscosity removal rate of 1.0 g l(-1) PAM solution was studied separately. Through orthogonal test, the factors affecting the COD degradation rate of PAM wastewater were determined as follows: discharge time > discharge voltage > solution concentration > wastewater initial pH. The COD highest removal rate of PAM wastewater reached 85.74%, when the optimal conditions are as follows: discharge voltage 40 kV, discharge time 5 h, solution concentration 1.0 g l(-1) , pH 1.5. This research provides some basic data and new theoretical basis for PAM wastewater purification.
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页数：7
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