Advanced Processing of Biologically-Treated Leachate by PAC

Abstract:

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In this study, biologically treated leachate was treated using PAC and PAC + PAM, respectively, to study removal efficiency of COD, SS and color as a function of such influencing factors as pH, dosage of PAC and/or PAM. It was found that optimal dosage and pH are 800 mg/L and 6 for PAC. The optimal condition when using PAM + PAC for removal of COD was 10-minute reaction, pH of 5, PAC dosage of 800 mg/L, PAM dosage of 3 mg/L. Effluent quality after coagulation at the optimal conditions met requirements of the tertiary standard described in “Integrated wastewater discharge standard”. Coagulation using PAM + PAC at the optimal condition was recommended for advanced treatment of refractory leachate after biochemical treatment.

Info:

Periodical:

Key Engineering Materials (Volumes 474-476)

Edited by:

Garry Zhu

Pages:

1057-1062

DOI:

10.4028/www.scientific.net/KEM.474-476.1057

Citation:

H. Y. Zhang et al., "Advanced Processing of Biologically-Treated Leachate by PAC", Key Engineering Materials, Vols. 474-476, pp. 1057-1062, 2011

Online since:

April 2011

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Price:

$35.00

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