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采用低温微波法和电加热法再生载甲苯活性炭(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2014年06期
Page:
141-145
Column:
研究论文
publishdate:
2014-12-09

Article Info:/Info

Title:
Regeneration of activated carbon loaded with toluene using low temperature microwave and conductive heating methods
Article ID:
1000-2006(2014)06-0141-05
Author(s):
MAO Haiyan12 ZHOU Dingguo1* Zaher Hashisho2 WANG Sunguo3 CHEN Heng2
1.College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
2.Department of Civil and Environmental Engineering, University of Alberta, Edmonton AB T6G 2W2, Canada;
3. Nova Green Inc.,Killam Alberta T0B 2L0, Canada
Keywords:
pine activated carbon microwave heating conductive heating toluene regeneration activated carbon
Classification number :
TQ424
DOI:
10.3969/j.issn.1000-2006.2014.06.027
Document Code:
A
Abstract:
This paper presents a comparison of low temperature microwave(three types of microwave power were 60, 120, 180 W)and conductive heating methods for the regeneration of activated carbon loaded with toluene in terms of desorption rate, heating time, energy consumption and chemistry properties. The results showed that the regeneration time decreased from 60 to 22 min, with the increase of microwave power from 60 to 120 W, while the regeneration rate increased from 1.7% to 4.5%/min. The time of conductive heating was 180 min, which was 3-6 times longer than that of microwave heating. The temperature rising rate for the microwave heating method with a constant power of 60 W was approximately 187 ℃/min, while the temperature rising rate for the conductive heating was only 9 ℃/min. The energy consumption of microwave heating was only 29.7 kJ/g in comparison with 74.3 kJ/g of conductive heating. Moreover, the pore structure and FTIR results of the microwave regenerated activated carbon was consistent with those results of the original activated carbon.

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Last Update: 2014-12-31