Study on Thermal Analysis Kinetics of Carbon Support

Jun Song; Wen Long Jian; Li Wang

doi:10.4028/www.scientific.net/AMR.750-752.1322

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Study on Thermal Analysis Kinetics of Carbon...

Study on Thermal Analysis Kinetics of Carbon Support

Abstract:

Actived carbon can be widely used as adsorbent, catalyst and catalyst support for many chemical reactions. At present, the research on thermal analysis Kinetics of actived carbon is quite few.Studing on it,is helpful for disclosing the decomposition reaction process and thermodynamic law of actived carbon. By thermal analysis, thermal decomposition Characteristics of actived carbon is studied. The TG and DTG eurves of actived carbon were obtain ed using multiple heating rate method.The test data were processed by iso-conversional method to obtain the kinetic parameters.The results showed that, with the improving of heating rate , the startimg reaction temperature of TG and the peak temperature of DTG shifted to the high temperature zone, postponement phenomena occurred.Based on the collected experimental data, it proved that had better linear relations with . The activation energy E of decomposition reaction of actived carbon, which was determined by measurements of slope, was 96.59kJ/mol. The plot of vs was drew and a straight line was obtained. .The mechanism function was defined as ,so according to the slope and intercept of the line,it can be obtained that n=3.585,A=40189.85984.

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Periodical:

Advanced Materials Research (Volumes 750-752)

Pages:

1322-1325

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.1322

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Online since:

August 2013

Authors:

Jun Song*, Wen Long Jian, Li Wang

Keywords:

Actived Carbon, Kinetic, Thermal Analysis

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