Preparation of Composite Carrier Material Immobilized Activated Sludge and Application in Treating Wastewater

Qian Nie; Fang Gu

doi:10.4028/www.scientific.net/AMR.113-116.301

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 113-116Preparation of Composite Carrier Material...

Preparation of Composite Carrier Material Immobilized Activated Sludge and Application in Treating Wastewater

Abstract:

The optimum preparation conditions of polyvinyl alcohol (PVA) immobilized activated sludge are investigated, the results show that the concentration of the entrapping agents PVA is 10%(W/V), the mass ration of the activated sludge and entrapping agents is 1∶1(W/V) and the crosslinking time is 24 h. Pelletability and mass transfer property of immobilized activated sludge are improved by adding 1% sodium alginate (SA) into entrapping agents, the intensity of immobilized activated sludge and COD removal rate of oil wastewater can be increased simultaneously by using inorganic composited carrier material.

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Periodical:

Advanced Materials Research (Volumes 113-116)

Pages:

301-304

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.113-116.301

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Online since:

June 2010

Authors:

Qian Nie, Fang Gu

Keywords:

Entrapping Agents, Immobilisation, PVA, Wastewater Treatment

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