应用铝和铁电极电化学处理酒精废醪蒸馏废水

CIESC Journal ›› 2012, Vol. 20 ›› Issue (3): 439-443.

• 香港科技大学化学与生物分子工程系戈登?麦凯教授退休纪念专刊 • 上一篇下一篇

应用铝和铁电极电化学处理酒精废醪蒸馏废水

V. Khandegar, A. K. Saroha

Department of Chemical Engineering, Indian Institute of Technology, Delhi Hauz Khas, New Delhi-110016, India

收稿日期:2012-02-20 修回日期:2012-03-23 出版日期:2012-06-28 发布日期:2012-03-23

Electrochemical treatment of distillery spent wash using aluminum and iron electrodes

V. Khandegar, A. K. Saroha

Department of Chemical Engineering, Indian Institute of Technology, Delhi Hauz Khas, New Delhi-110016, India

Received:2012-02-20 Revised:2012-03-23 Online:2012-06-28 Published:2012-03-23

摘要/Abstract

摘要： Electrochemical treatment of distillery spent wash was carried out using different combinations of aluminum and iron electrodes in batch mode of operation. The spent wash was characterized for various parameters as per standard method of analysis and the treatment results were analyzed in terms of chemical oxygen demand (COD) removal efficiency of the spent wash. The experiments were performed to study the effect of operating parameters such as current density, pH of the spent wash, agitation speed, electrolysis time and the distance between the electrodes on the COD removal efficiency of the spent wash. It was observed that aluminum electrodes were more suitable for treatment of distillery spent wash as compared to iron electrodes. The maximum COD removal efficiency of 81.3% was obtained with Al-Al electrodes at the current density of 0.187 A•cm?2 and pH 3 for an electrolysis time of 2 h.

关键词: electrocoagulation, distillery spent wash, current density, aluminum, iron

Abstract: Electrochemical treatment of distillery spent wash was carried out using different combinations of aluminum and iron electrodes in batch mode of operation. The spent wash was characterized for various parameters as per standard method of analysis and the treatment results were analyzed in terms of chemical oxygen demand (COD) removal efficiency of the spent wash. The experiments were performed to study the effect of operating parameters such as current density, pH of the spent wash, agitation speed, electrolysis time and the distance between the electrodes on the COD removal efficiency of the spent wash. It was observed that aluminum electrodes were more suitable for treatment of distillery spent wash as compared to iron electrodes. The maximum COD removal efficiency of 81.3% was obtained with Al-Al electrodes at the current density of 0.187 A•cm?2 and pH 3 for an electrolysis time of 2 h.

Key words: electrocoagulation, distillery spent wash, current density, aluminum, iron

V. Khandegar, A. K. Saroha. 应用铝和铁电极电化学处理酒精废醪蒸馏废水[J]. CIESC Journal, 2012, 20(3): 439-443.

V. Khandegar, A. K. Saroha. Electrochemical treatment of distillery spent wash using aluminum and iron electrodes[J]. , 2012, 20(3): 439-443.

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应用铝和铁电极电化学处理酒精废醪蒸馏废水

Electrochemical treatment of distillery spent wash using aluminum and iron electrodes

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