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Treatment of wastewater containing polyacrylamide using three dimensional electrodes

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Wuhan University Journal of Natural Sciences

Abstract

A method using three-dimensional electrode is applied to treat wastewater in oil fields, which contains polyacrylamide (PAM), for analogue. A best condition for electrolysis (I = 1.0 A, t=90 min, c=0.1%, m=980 g, ϕ=5 mm, d=5.0 cm) has been determined, under which the COD removal efficiency reached 96.0%, COD containing in wastewater reduced to 64.3 mg/L from 1 622.9 mg/L, the figure before treatment. Three categories of PAM-containing wastewater in production practice have been treated with the COD removal ratios being 87.5%, 82.4% and 84.7% respectively. Presence of H2O2 and ·OH are detected by means of Ti(IV)-5-Br-PADAP technique and colorimetry respectively. The concentration is positively proportional to the COD removal ratio and increases in accordance with increment of time of electrolysis and current.

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Correspondence to Yang Changzhu.

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Foundation item: Supported by the National High-Technology Research and Development Program(2003AA602140-2) and the Important Scientific Research Project of Hubei Provincial Department of Education, China (2004D001)

Biography: Chen Wu(1967–), male, Ph. D. candidate, Associate professor of Yangtze University, research direction: oilfield wastewater treatment.

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Chen, W., Yang, C., Mei, P. et al. Treatment of wastewater containing polyacrylamide using three dimensional electrodes. Wuhan Univ. J. of Nat. Sci. 12, 353–360 (2007). https://doi.org/10.1007/s11859-006-0023-3

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  • DOI: https://doi.org/10.1007/s11859-006-0023-3

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