ADSORPTION OF CRYSTAL VIOLET FROM AQUEOUS SOLUTION ON ACTIVATED CARBON DERIVED FROM GOLBASI LIGNITE

被引：0

作者：

Depci, Tolga ^{[1
]}

Kul, Ali Riza ^{[2
]}

Onal, Yunus ^{[3
]}

Disli, Erkan ^{[4
]}

Alkan, Salih ^{[2
]}

Turkmenoglu, Z. Funda ^{[1
]}

机构：

[1] Yuzuncu Yil Univ, Fac Engn & Architecture, Dept Min Engn, TR-6580 Van, Turkey

[2] Yuzuncu Yil Univ, Fac Arts & Sci, Dept Chem, TR-6580 Van, Turkey

[3] Inonu Univ, Fac Engn, Dept Chem Engn, TR-44280 Malatya, Turkey

[4] Yuzuncu Yil Univ, Fac Engn & Architecture, Dept Environm Engn, TR-6580 Van, Turkey

来源：

PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING | 2012年 / 48卷 / 01期

关键词：

crystal violet; activated carbon; Turkish lignite; adsorption; WASTE-WATER; FLY-ASH; MALACHITE GREEN; REMOVAL; DYE; KINETICS; SORPTION; EQUILIBRIUM; MECHANISM; PORE;

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Activated carbon (AC) was obtained from lignite of the local resource, Golbasi - Adiyaman (Turkey) by chemical activation. The Golbasi lignite was chosen as the precursor for its availability and low cost. The BET surface area of the activated carbon was found 921 m2/g. The AC was used as an adsorbent for Crystal Violet (CV) in aqueous solution. The adsorption properties of CV onto the activated carbon are discussed in terms of the adsorption isotherms (Langmuir and Freundlich) and the kinetic models (pseudo-first-order, pseudo-second-order and intraparticle diffusion model). It was shown that the experimental results best fitted by the Langmuir model, and the second-order kinetic equation. The thermodynamic parameters show that the adsorption process is endothermic. The experimental results point out that the obtained activated carbon is a viable candidate for sorbent removing CV from aqueous solutions.

引用

页码：253 / 270

页数：18

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