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2016 Vol.48, Issue 4 Preview Page
Heavy Metal Adsorption Characteristics and Pore Distribution of Regenerated Cellulose Gels Prepared from LiOH/Urea Solution

LiOH/Urea 수용액을 이용하여 제조한 재생 셀룰로오스 겔의 공극분포 및 중금속 흡착 특성

Gu-Joong Kwon
,
Ji-Wook Yang
,
Kyo-Jung Hwang
,
Jae-Hyun Hwang1
,
Won-Jung Hwang2
,
Dae-Young Kim†
권구중
,
양지욱
,
황교정
,
황재현 1
,
황원중 2
,
김대영 †
Dept. of Biological and Environmental Science, Dongguk University, Seoul
1Dept. of Food Industrial Management, Dongguk University, Seoul, 130-715
2Dept. of Forest Products, Korea Forest Research Institue, Seoul, 103-712
동국대학교 바이오환경과학과
1동국대학교 식품산업관리학과
2국립산림과학원 임산공학부 목재가공과
†E-mail: sbpkim@dongguk.edu
30 August 2016. pp. 39-46
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Abstract

This experiment was carried out to study the pore distribution of regenerated cellulose gel (RCG) prepared by using a LiOH/urea solution and the adsorption characteristics of a lead and cadmium. The specific surface area of RCG was higher in the 2% cellulose concentration with a higher number of beads type than the film type. In the case of pore distribution, they were between 50-150 nm of film type RCG. However, large pore, which are more than 150 nm also existed on the beads type RCG. The adsorption characteristics of cadmium and a lead showed the removal efficiency of the beads type RCG was superior to the film type RCG. The heavy metal removal, based on a pH value of 5-6, showed slightly higher efficiency. Moreover, the rate of removal of lead appeared highly comparable with that of cadmium. According of the FT-IR spectrum analysis, heavy metal adsorption of RCG appeared to be due to the absorption of heavy metals by the hydroxyl group within the cellulose.

Keywords
Regenerated cellulose gels
LiOH/urea solution
lead adsorption
cadmium
adsorption
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Information
  • Publisher :Korea Technical Association of The Pulp and Paper Industry
  • Publisher(Ko) :한국펄프종이공학회
  • Journal Title :Journal of Korea TAPPI
  • Journal Title(Ko) :펄프종이기술
  • Volume : 48
  • No :4
  • Pages :39-46
  • Received Date : 2016-07-26
  • Revised Date : 2016-08-09
  • Accepted Date : 2016-08-11
  • DOI :https://doi.org/10.7584/JKTAPPI.2016.08.48.4.39
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