标題：Degradation of Crystal Violet by catalytic ozonation using Fe/activated carbon catalyst作者：Wu, Jie; Gao, Hong; Yao, Shuo; Chen, Lu; Gao, Yaowen; Zhang, Hui

來源出版物：SEPARATION AND PURIFICATION TECHNOLOGY 卷：147 頁：179-185 DOI：10.1016/j.seppur.2015.04.022 出版年：JUN 16 2015

摘要：An Fe/activated carbon catalyst was prepared and used in catalytic ozonation of Crystal Violet. The catalyst was characterized by SEM and XRD, and the results showed that the iron loaded on activated carbon existed in alpha-FeOOH phase. An improved effect was achieved in the decolorization of Crystal Violet via catalytic ozonation in the presence of Fe/activated carbon compared with ozonation alone. Almost complete decolorization (>96%) of 400 mg/L Crystal Violet was achieved after 30 min reaction under the conditions of 4.44 mg/min ozone dosage, 300 mL/min gas flow rate, 2.5 g/L catalyst dosage and pH 7, while 57% COD removal efficiency was obtained when the reaction time was prolonged to 90 min. The acute toxicity to Daphnia magna decreased during 90 min of catalytic zonation. The main intermediates were separated and identified by gas chromatography-mass spectrometry (GC-MS) technique and an initial degradation pathway of Crystal Violet was proposed.

入藏号：WOS:000356553300019

文獻類型：Article

語種：English

作者關鍵詞：Catalytic ozonation, Crystal Violet, Fe/activated carbon, Decolorization, GC-MS

擴展關鍵詞：RECTANGULAR AIRLIFT REACTOR; ACTIVATED CARBON; AQUEOUS-SOLUTION; WASTE-WATER; PHOTOCATALYTIC DEGRADATION; TRIPHENYLMETHANE DYES; SYNTHETIC GOETHITE; TEXTILE EFFLUENTS; HYDROGEN-PEROXIDE; FENTONS REAGENT

通訊作者地址：Zhang, Hui; Wuhan Univ, Dept Environm Engn, Wuhan 430079, Peoples R China.

電子郵件地址：eeng@whu.edu.cn

地址：

[Wu, Jie; Gao, Hong; Yao, Shuo; Chen, Lu; Gao, Yaowen; Zhang, Hui] Wuhan Univ, Dept Environm Engn, Wuhan 430079, Peoples R China.

[Wu, Jie] Fuzhou Environm Monitoring Ctr, Fuzhou 350011, Peoples R China.

[Gao, Hong] Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430079, Peoples R China.

研究方向：Engineering

ISSN：1383-5866

eISSN: 1873-3794