Treatment of Silicon Steel Wastewater with Fenton Reagent

Abstract:

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The paper aims to find out an economic and effective treatment for the silicon steel wastewater. According to the Fenton reaction principle, chemical adsorption and chemical flocculation, chemical oxygen demand (COD) and Cr6+ in the wastewater were reduced. The appropriate parameters were as follows: the mol ratio of Fe2+ to H2O2 was 1:2, the mol ratio of Fe2+ (dosage into the wastewater) to Cr6+ (content of the wastewater) was 5.2:1, pH 3-4, temperature 15-35°C. Under these conditions, the removal rate of Cr6+ and CODCr was 99.99% and 98.11% respectively, the Cr6+ and CODCr of the influent reduced from 2959mg/L and 1351mg/L to 0.421mg/L and 25.6mg/L respectively, and the effluent concentration achieved 1-class in "Steel Industrial Water Pollutant Discharge Standard(GB 13456-92)".

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Periodical:

Edited by:

Honghua Tan

Pages:

287-292

DOI:

10.4028/www.scientific.net/AMR.340.287

Citation:

W. Y. Zhang et al., "Treatment of Silicon Steel Wastewater with Fenton Reagent", Advanced Materials Research, Vol. 340, pp. 287-292, 2012

Online since:

September 2011

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Price:

$35.00

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