Applicability of the electrocoagulation process in treating real municipal wastewater containing pharmaceutical active compounds

被引:86
作者
Ensano, Benny Marie B. [1 ]
Borea, Laura [2 ]
Naddeo, Vincenzo [2 ]
Belgiorno, Vincenzo [2 ]
de Luna, Mark Daniel G. [1 ,3 ]
Balakrishnan, Malini [4 ]
Ballesteros, Florencio C., Jr. [1 ,3 ]
机构
[1] Univ Philippines, Natl Grad Sch Engn, Environm Engn Program, Quezon City 1101, Philippines
[2] Univ Salerno, Dept Civil Engn, SEED, I-84084 Fisciano, SA, Italy
[3] Univ Philippines, Dept Chem Engn, Quezon City 1101, Philippines
[4] India Habitat Ctr, Energy & Resources Inst TERI, Darbari Seth Block,Lodi Rd, New Delhi 110003, India
关键词
Amoxicillin; Carbamazepine; Diclofenac; Electrochemical processes; Emerging contaminants; REMOVAL; OPTIMIZATION; BIOACCUMULATION; CONTAMINANTS; COAGULATION; GROUNDWATER; OXIDATION; NUTRIENT;
D O I
10.1016/j.jhazmat.2018.07.093
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study, the viability of using electrocoagulation process as a method for pharmaceuticals removal from real municipal wastewater was demonstrated. Batch experimental runs were performed using a simple laboratory scale electrochemical reactor with aluminium and stainless steel as anode and cathode, respectively. Diclofenac (DCF), carbamazepine (CBZ) and amoxicillin (AMX) were selected as representative of pharmaceuticals frequently detected in the aquatic environment. The effects of varying experimental parameters namely current density (0.3, 0.5 1.15 and 1.8 mA cm(-2)), initial pharmaceutical concentration (0.01, 4 and 10 mg L-1), electrolysis duration (3, 6 and 19 h) and application mode (continuous vs. intermittent) on pharmaceutical removal efficiencies were evaluated. High pharmaceutical abatement was recorded at elevated current density and prolonged electrolysis duration due to additional electro-generated coagulant species in solution.
引用
收藏
页码:367 / 373
页数:7
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