Montmorillonite KSF as catalyst for degradation of acetaminophen with heterogeneous Fenton reactions

被引:12
作者
Deng, Chunyan [1 ]
Ren, Cong [1 ]
Wu, Feng [1 ]
Deng, Nansheng [1 ]
Glebov, Evgeni M. [2 ]
Pozdnyakov, Ivan P. [2 ]
Plyusnin, Victor F. [2 ]
机构
[1] Wuhan Univ, Dept Environm Sci, Wuhan 430079, Peoples R China
[2] Russian Acad Sci, Inst Chem Kinet & Combust, Novosibirsk 630090, Russia
关键词
Acetaminophen; Heterogeneous Fenton; Montmorillonite KSF; DYE ORANGE-II; WET OXIDATION; CLAY; PHENOL; WATER; PHOTODEGRADATION; PHARMACEUTICALS; PARACETAMOL; PHOTOLYSIS; PRODUCTS;
D O I
10.1007/s11144-010-0178-y
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The degradation of acetaminophen (APAP) in aqueous solutions with heterogeneous Fenton reactions was investigated with montmorillonite KSF as catalyst. The influencing factors of the initial APAP concentration, initial pH value, initial KSF dosage and H2O2 dosage were studied. The results showed that APAP could be effectively degraded under the conditions of pH 4.0, KSF 0.2 g/L and H2O2 0.5 mM, and the degradation efficiency of 0.5 mg/L APAP reached 93.5% after reaction for 30 min. The degradation kinetics of APAP followed the pseudo first-order rate law.
引用
收藏
页码:277 / 288
页数:12
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