Thermally activated persulfate treatment and mineralization of a recalcitrant high TDS petrochemical wastewater

被引：17
作者：
Jorfi, Sahand [1 ,2 ]
Pourfadakari, Sudabeh [2 ]
Ahmadi, Mehdi [1 ,2 ]
Akbari, Hamideh [3 ]
机构：
[1] Ahvaz Jundishapur Univ Med Sci, Environm Technol Res Ctr, Ahvaz, Iran
[2] Ahvaz Jundishapur Univ Med Sci, Sch Hlth, Dept Environm Hlth Engn, Ahvaz, Iran
[3] Zahedan Univ Med Sci, Sch Hlth, Dept Environm Hlth Engn, Zahedan, Iran
来源：
POLISH JOURNAL OF CHEMICAL TECHNOLOGY | 2017年 / 19卷 / 02期
关键词：
Industrial wastewater treatment; Thermally activation; persulfate Petrochemical industry; High TDS wastewater; ADVANCED OXIDATION; P-NITROPHENOL; TEXTILE DYE; DEGRADATION; HEAT; DIURON; DECOLORIZATION; SULFAMETHAZINE; MECHANISM;
D O I：
10.1515/pjct-2017-0031
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Thermally activated persulfate efficiency for the treatment of a recalcitrant high TDS wastewater was investigated. The specific character of studied wastewater was high TDS content of around 23820 mg/L and BOD5/COD ratio of 0.07. Effective operational parameters including initial pH values of 3-9, reaction temperature of 40-80 degrees C and persulfate concentrations of 0.5-5 g/L for COD removal were investigated in batch mode experiments. Removal efficiency was pH and temperature dependent. The COD and TOC removal of 94.3% and 82.8% were obtained at persulfate concentration of 4 g/L, initial pH value of 5 and temperature of 70 degrees C after 180 min for initial COD concentration of 1410 mg/L. The pseudo first-order kinetic model was best fitted with COD removal (R2 = 0.94).
引用
收藏
页码：72 / 77
页数：6
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