NDLI: Microwave assisted regeneration of spent activated carbon from petrochemical plant using response surface methodology

Content Provider	Springer Nature Link
Author	Xia, Hongying Wu, Jian Xia, Yi Zhang, Libo Peng, Jinhui Wang, Shixing Zheng, Zhaoqiang Zhang, Shengzhou
Copyright Year	2014
Abstract	The spent activated carbon used in petrochemical plant was regenerated by microwave heating and designed experiments with response surface methodology. In this research, the main effects of regeneration time, regeneration temperature and microwave power on adsorption properties of activated carbon were investigated. The optimal conditions have been identified to be the regeneration heating time of 10 min, regeneration temperature of 702 °C and microwave power of 400 W. Under above conditions, iodine adsorption number and yield of activated carbon are 1,150 mg/g and 78.25 %, respectively. Furthermore, the activated carbon was characterized by nitrogen adsorption isotherms at 77 K, and the porous structures were analyzed by BET. The BET surface area is 1,033 m$^{2}$/g. Non local density function theory was used to characterize total pore volume, which is 1.28 ml/g. The activated carbon was characterized by FTIR and SEM. The results of SEM indicated that impurities which covered the surface of activated carbon are cleaned. It can be seen from FTIR analysis that functional groups of activated carbon are changed through microwave heating.
Starting Page	137
Ending Page	146
Page Count	10
File Format	PDF
ISSN	13802224
Journal	Journal of Porous Materials
Volume Number	22
Issue Number	1
e-ISSN	15734854
Language	English
Publisher	Springer US
Publisher Date	2014-11-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Activated carbon Microwave heating Response surface Iodine adsorption number Yield Catalysis Characterization and Evaluation of Materials Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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