Preparation and Properties of Porous poly(vinyl alcohol)/Powdered Activated Carbon Composite

Hai Ping Wang

doi:10.4028/www.scientific.net/AMR.852.117

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 852Preparation and Properties of Porous poly(vinyl...

Preparation and Properties of Porous poly(vinyl alcohol)/Powdered Activated Carbon Composite

Abstract:

Using poly (vinyl alcohol) (PVA) crosslinked with formaldehyde as matrix, starch or calcium hydrogen carbonate as the foaming agent and powdered activated carbon (AC) as the adsorptive constituent, porous PVA/AC composite was prepared by means of chemical crosslinking method. The adsorption behavior of simulated wastewater containing methyl orange dye on porous PVA/AC composite was studied. The experiment indicates that the optimal dosage of AC, sulphuric acid and formaldehyde (37% solution) are 5.0 g, 18 wt. % and 10 ml respectively at the condition of 10.0 g dosage of poly (vinyl alcohol), 95 ml distilled water and 10.0 g starch. It was found that starch was preferably incorporated into the PVA matrix in the form of an aqueous dispersion. In addition, the key factors of influence on water-absorbency including the amount of activated carbon and formaldehyde as well as the concentration of sulphuric acid have been discussed.

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Advanced Materials Research (Volume 852)

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117-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.852.117

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Online since:

January 2014

Authors:

Hai Ping Wang

Keywords:

Activated Carbon, Adsorption, Poly(vinyl alcohol), Starch

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