等离子体改性凹凸棒土接枝壳聚糖对含多氯联苯废液的吸附研究

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Abstract

Plasma technique was applied to graft chitosan（CS） on attapulgite(ATT) to improve their dispersion property and sorption ability for polychlorinated biphenyls. The CS grafted attapulgite（CC-g-ATT） was analyzed using Fourier Transform Infrared （ FT-IR） and the results indicated that CS was successfully grafted on the surfaces of attapulgite. The experimental factors such as solid content, pH value on the adsorption ratio of 4,4＇-dichlorobiphenyl（ 4,4＇-DCB） were investigated. Experimental results indicated that the sorption curve of CC-g-ATT on 4,4＇-DCB was much higher than that of 4,4＇-DCB on attapulgite and the sorption percentage of CC-g-ATT on 4,4＇-DCB fluctuated very little in pH range of 2-7. CC-g-ATT was a suitable sorbent in the preconcentration and solidification of 4,4＇-DCB from aqueous solutions.

Key words： plasma attapulgite 4,4＇-dichlorobiphenyl adsorption

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	TAN Li-qiang
	FENG Liang-dong

Cite this article:

TAN Li-qiang,FENG Liang-dong. Research on Adsorption of Plasma Modified Grafting Attapulgite with Chitosan on Waste Liquid Containing 4,4＇-Dichlorobiphenyl[J]. CCI, 2013, 36(5): 45-48.

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http://www.mtyhg.com.cn/EN/ OR http://www.mtyhg.com.cn/EN/Y2013/V36/I5/45

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