Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Adsorption Characteristics of Strong Basic Anion Exchanger to Cellulose Reactive Dye

강 염기성 음이온 교환수지의 셀룰로우스 섬유용 반응성 염료에 대한 흡착 특성

  • Lim, Gyeong-Eun (Department of Environmental Engineering, Chonbuk National University) ;
  • Chung, Paul-gene (Department of Environmental Engineering, Chonbuk National University) ;
  • Kwon, Ji-Young (Department of Environmental Engineering, Chonbuk National University)
  • 임경은 (전북대학교 환경공학과) ;
  • 정팔진 (전북대학교 환경공학과) ;
  • 권지영 (전북대학교 환경공학과)
  • Received : 2006.07.13
  • Accepted : 2006.12.04
  • Published : 20070100
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Abstract

This study focused on estimating the feasibility of a strong basic anion exchanger (PA312OH) as a sorbent for the removal of residual reactive dye and saving chemicals and water. Cellulose reactive dye C.I.RB49 was tested because reactive dye is the largest single group of dyes and that dye needs larger amount of inorganic salts as dyeing agent but nearly 50% of reactive dyes may be lost to the effluent. The adsorption characteristics of PA312OH for C.I.RB49 were as follows. Ion-selectivity among the dye and inorganic salts was Dye > ${SO_4}^{2-}$ > ${CO_3}^{2-}$ > $Cl^-$. C.I.RB49 was exchanged more than 3 times ${SO_4}^{2-}$ and ${CO_3}^{2-}$ and $Cl^-$ was not exchanged absolutely. The exchanging velocity was increased exponentially with increasing temperature. This result is positive effect on treating the high temperature dyeing process wastewater. The exchanged dye percents to initial were 96.8% and 99% at flow rate 20.5 mL/min. and 3.7 mL/min.. The exchanging capacity of PA312OH for C.I.RB49 was 215.2 mg/g at conc.=369.2 mg/L, Temp.=$25^{\circ}C$. 74% inorganic salts were recrystallized from real dark reactive color dyeing wastewater treated with PA312OH.

Keywords

Acknowledgement

Supported by : 전북대학교

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