STUDY ON OILY WASTEWATER TREATMENT

被引：0
|
作者：
Zhang, Zhijun [1 ]
Du, Jiawei [1 ]
Wang, Jiao [1 ]
机构：
[1] Changzhou Univ, Huaide Coll, Dept Architecture & Environm Engn, Taizhou, Jiangsu, Peoples R China
来源：
OXIDATION COMMUNICATIONS | 2015年 / 38卷 / 4A期
关键词：
photocatalytic oxidation; Fe2O3/TiO2; oily wastewater; wastewater decolourisation; COD removal; ADVANCED OXIDATION PROCESSES; PHOTOCHEMICAL OXIDATION; SUPERCRITICAL WATER; GASIFICATION; ALGORITHM; REMOVAL;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Oily wastewaters are usually characterised by a high concentration of chemical oxygen demand (COD), suspended solids, dissolved solids (salts), toxicity, and refractory compounds. Therefore, it must be treated. The treatment of oily wastewater by Fe2O3/TiO2 was investigated. The effect of time, catalyst dosage, aeration, and pH on decolourisation was investigated. The results indicated that Fe2O3/TiO2 photocatalytic oxidation can decolourise oily wastewater effectively. Decolourisation efficiency increases with time, aeration and catalyst dosage increasing. But excessive catalyst and aeration decreased it, and decolourisation efficiency under acidic conditions is superior to alkaline conditions. Oily wastewater was treated under actual use of sunlight, Fe2O3/TiO2 catalyst, pH 3, the degradation rate was 39.2%, and COD removal - 46.7%.
引用
收藏
页码：2210 / 2215
页数：6
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