Adsorption of Zinc Ion on Leonardite Prepared from Coal Waste

被引：0

作者：

Katanyoo, Suttasinee ^{[1
,2
]}

Naksata, Wimol ^{[1
,2
]}

Sooksamiti, Ponlayuth ^{[3
]}

Thiansem, Sakdiphon ^{[4
]}

Arquero, Orn-Anong ^{[1
,2
]}

机构：

[1] Chiang Mai Univ, Dept Chem, Fac Sci, Chiang Mai 50200, Thailand

[2] Chiang Mai Univ, Ctr Excellence Innovat Chem, Fac Sci, Chiang Mai 50200, Thailand

[3] Dept Primary Ind & Mine Off Reg 3, Chiang Mai 50200, Thailand

[4] Chiang Mai Univ, Dept Ind Chem, Fac Sci, Chiang Mai 50200, Thailand

来源：

ORIENTAL JOURNAL OF CHEMISTRY | 2012年 / 28卷 / 01期

关键词：

wastewater; adsorption; zinc; leonardite; coal waste;

D O I：

暂无

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Naturally occurring leonardite, obtained from Mae Moh mine lignite, has been tested as a potential sorbent for Zn2+. The factors that affect to the sorption, such as pH, contact time and the adsorption isotherm were also investigated. The high performance of Zn2+ removal was demonstrated at pH values of 5-6. Batch experiment showed that the equilibrium was reached after 180 min. The sorption data were correlated with the Langmuir and Freundlich adsorption models. The average maximum adsorption capacity was found to be 0.141 mmol g(-1). Moreover, the equilibrium parameter, K-R indicated the favor ability of leonardite for adsorbed Zn2+.

引用

页码：373 / 378

页数：6

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