Pretreatment of Waste Fermented Liquid of Butanol by Flocculation

Ze Zhan Sun; Jiao Sun; Li Jun Cheng; Hong En Quan; Yong Kang

doi:10.4028/www.scientific.net/AMR.457-458.15

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 457-458Pretreatment of Waste Fermented Liquid of Butanol...

Pretreatment of Waste Fermented Liquid of Butanol by Flocculation

Abstract:

In order to reduce the environmental pollution caused by waste fermented liquid of butanol and recyle the high protein in it, inorganic polymer coagulants were used in pretreatment of this wastewater. It was demonstrated that poly aluminium chloride (PAC) was the best flocculant and the optimal conditions were as follows: pH neutral or alkalescent, temperature 40°C, flocculant dosage 1000 mg•L^-1. After flocculation, the supernatant’s turbidity and COD could be reduced below 20 NTU and 10000 mg•L^-1 respectively.

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Periodical:

Advanced Materials Research (Volumes 457-458)

Pages:

15-19

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.457-458.15

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Online since:

January 2012

Authors:

Ze Zhan Sun, Jiao Sun, Li Jun Cheng, Hong En Quan, Yong Kang

Keywords:

Flocculation, Poly-Aluminium Chloride (PAC), Waste Fermented Liquid

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