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Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK)

Wuhan,China,China,9.10-9.12,2010

ISBN: 978-1-935068-16-7 Scientific Research Publishing, USA

E-Book 1502pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: Study on Pyrolytic Kinetics of Municipal Sewage Sludge
Source: Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK) (pp 717-720)
Author(s): Jiancheng Jia, School of Chemistry and Chemical Engineering, Xi’an university of science and technology, Xi’an China
Xiaohua Wang, School of Chemistry and Chemical Engineering, Xi’an university of science and technology, Xi’an China
Mei Jia, School of Chemistry and Chemical Engineering, Xi’an university of science and technology, Xi’an China
Abstract: In order to obtain the pyrolysis characteristics of sewage sludge, the thermalgravimetric analysis was used to study themechanism of dried sewage sludge from Xi’an Beishiqiao Sewage Treatment Plant. The TG-DTG curves of sludge under different heating rate are obtained. The results showed that there are three periods of losting weight quickly in pyrolysis process of sludge. By Coats-Redfern exponential integration, the pyrolysis kinetic parameters - frequency factor A and the activation energy E which of the second period were obtained, and the pyrolytic dynamics calculation model of the sludge was also given.
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