TREATMENT OF OILY WASTEWATER VIA SUPERCRITICAL WATER OXIDATION (SCWO) AND ELECTROCHEMICAL PROCESS

被引：0
|
作者：
Li, Ji [1 ,2 ]
Li, Zhan-dong [1 ,2 ]
Yan, Shu [3 ,4 ]
Zhang, Haixiang [1 ,2 ]
机构：
[1] Northeast Petr Univ, Sch Petr Engn, Daqing 163318, Peoples R China
[2] Northeast Petr Univ, Res Ctr Nat Gas Hydrate, Daqing 163318, Peoples R China
[3] Northeast Petr Univ, Sch Earth Sci, Daqing 163318, Peoples R China
[4] Personnel Dev Daqing Oilfield, Aiguo Rd 33, Daqing 163000, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2018年 / 27卷 / 10期
关键词：
NaHCO3; SCWO; Oily wastewater; COD removal; BOD5/COD; SYSTEM;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
SCWO and electrochemical process of oily wastewater were investigated. The Ti/CeO2 electrode was prepared by electrodeposition technique and applied to treat oily wastewater via electrochemical oxidation. The results show temperature imposes a great impact on electrochemical oxidation of oily wastewater. Under the optimal condition, the COD removal of reached 55.30%. More than 80% chemical oxygen demand (COD) removal from oily wastewater was achieved using NaHCO3 catalytic SCWO under the following conditions using a 0.7 L batch reactor: temperature is 320 degrees C and concentration of NaHCO3 is 100 mg/L. 99.62% of COD removal was achieved. BOD5/COD ratio is now 0.56.
引用
收藏
页码：6960 / 6965
页数：6
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