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Energy efficient—Advanced oxidation process for treatment of cyanide containing automobile industry wastewater

IR@CSIR-NEERI

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Title Energy efficient—Advanced oxidation process for treatment of cyanide containing automobile industry wastewater
 
Creator Mudliar, R
Umare, S S
Ramteke, D S
Wate, S R
 
Subject Industrial Wastewater Treatment & Disposal
 
Description Destruction of cyanide (CN) from an automobile industry wastewater by advance oxidation process (AOP) has been evaluated. The operating conditions (in an digenously designed photoreactor) for three different treatment strategies have been optimized. The treatment strategies involved use of, ultra violet light (UV), hydrogen peroxide (H2O2) and ozone (O3) in various combinations. Treatment of automobile industrywastewater (250 mg/L CN) showed fastest CN destruction, which was significantly (P < 0.05) faster
than that observed with syntheticwastewater (with similar CN concentration). A combined application of H2O2/O3 was found to be the best option for maximum CN destruction. This treatment allows CN to reach the regional/international limit (of 0.02 mg/L) for safe industrial wastewater discharges to the receiving water bodies. The specific energy consumption by the photoreactor following this treatment was comparable to that obtained by conventional treatments, which use photocatalyst. Since the present treatment does not use catalyst, it provides an excellent energy efficient and economical option for treatment and safe disposal of CN containing industrial wastewater.
© 2008
 
Publisher Elsevier
 
Date 2009
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/152/1/mudliar_r.pdf
Mudliar, R and Umare, S S and Ramteke, D S and Wate, S R (2009) Energy efficient—Advanced oxidation process for treatment of cyanide containing automobile industry wastewater. Journal of Hazardous Materials, 164. pp. 1474-1479.
 
Relation http://neeri.csircentral.net/152/