Regeneration of Spent Activated Carbon by Yeast and Chemical Method

何文会; 吕国诚; 崔婕; 吴丽梅; 廖立兵

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Regeneration of Spent Activated Carbon by Yeast and Chemical Method

Updated：2026-01-06

- Regeneration of Spent Activated Carbon by Yeast and Chemical Method
- Chinese Journal of Chemical Engineering Vol. 20, Issue 4, Pages: 659-664(2012)
- Affiliations：
  
  1. School of Materials Science and Technology, China University of Geosciences,Beijing,China,100083
  2. Sinoma Geological Engineering Exploration Academy,Beijing,China,100176
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2012
- Accepted：
Scan QR Code
HE Wenhui, LÜ Guocheng, CUI Jie, WU Limei, LIAO Libing. Regeneration of Spent Activated Carbon by Yeast and Chemical Method[J]. Chin.J.Chem.Eng., 2012, 20(4): 659-664.
DOI：

HE Wenhui, LÜ Guocheng, CUI Jie, WU Limei, LIAO Libing. Regeneration of Spent Activated Carbon by Yeast and Chemical Method[J]. Chin.J.Chem.Eng., 2012, 20(4): 659-664. DOI：

摘要

Abstract

In this study

spent activated carbon(AC) saturated with caramel was regenerated by using yeast and NaOH.The efficiency of regeneration was evaluated under parameters such as amount

treatment time

temperature

pH value

stirring temperature of yeast and NaOH concentration.The optimum condition for AC regeneration was 8 h for yeast treatment time

35℃ for 0.075% yeast culture temperature

a pH value of 6 for the yeast dealing with the spent AC

90℃ for NaOH stirring temperature of AC and 6% NaOH for washing after the spent AC was treated by yeast.Under these conditions

methylene blue(MB) adsorption was 213 mg·g

-1

in comparison with 60 mg·g

-1

of spent AC.The micro structure and surface area of the regenerated AC were characterized by scanning electron mi-croscope(SEM) and N

sorption

respectively.The pore size distributions of virgin and regenerated AC were ana-lyzed by means of H-K equation

resulting in a mean pore diameter of 1.28 nm and a pore volume of 1.13 cm

·g

-1

.This study provides data for theoretical support of the AC regeneration technology.

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