Analysis of pyrolysis kinetics of neighboring-port oil sludge

YANG Shuqing; ZHENG Xianmin; WANG Beifu; DU Yan; WANG Luhui

doi:10.11949/j.issn.0438-1157.20141553

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Analysis of pyrolysis kinetics of neighboring-port oil sludge

更新时间：2025-12-10

- Analysis of pyrolysis kinetics of neighboring-port oil sludge
- CIESC Journal Issue S1, Pages: 319-325(2015)
- 作者机构：
  
  浙江海洋学院石化与能源工程学院,浙江,舟山,316000
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141553
  CLC： Q028.8
- Online First：30 June 2015，
  
  Published：30 June 2015
- 稿件说明：
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YANG Shuqing, ZHENG Xianmin, WANG Beifu, et al. Analysis of pyrolysis kinetics of neighboring-port oil sludge[J]. CIESC Journal, 2015, (S1): 319-325.
DOI：

YANG Shuqing, ZHENG Xianmin, WANG Beifu, et al. Analysis of pyrolysis kinetics of neighboring-port oil sludge[J]. CIESC Journal, 2015, (S1): 319-325. DOI： 10.11949/j.issn.0438-1157.20141553.

摘要

对含油污泥及其抽提油和热解油的组成进行分析。采用热重分析仪对含油污泥在空气氛下的热重特性进行实验研究

考察不同升温速率下的热重(TG)和差热分析(DTA)曲线。采用Coats-Redfern积分法

基于9种不同动力学机制模式函数分别对200～600℃之间的热重分析数据就ln[g (a)/T2]对1/T进行校正决定系数分析

拟合反应动力学活化能和指前因子。实验结果表明:随着升温速率的增加

油泥的TG和DTA曲线都向高温方向移动。含油污泥的热解阶段分为200～400℃和400～600℃两个阶段

第一个阶段符合三维扩散反应动力学机制;第二个阶段含油污泥的热解反应符合一级反应规律。

Abstract

Based on composition analysis of extract oil and pyrolysis oil from oil sludge

the pyrolysis characteristics of oil sludge in the air were studied experimentally using thermal gravimetric analyzer. The thermogravimetry and differential thermal analysis curve were investigated under different heating rate. Based on Coats-Redfern integral method

the adjusted R- square coefficient of ln [g(a)/T2] versus 1/T for TG datum between 200 and 600℃ was analyzed using nine kinds of different kinetics mechanism functions. The activation energy of reaction and the pre-exponential factor were fitted. The results indicated that TG and DTA curve of oil sludge shifted to higher temperature with the increase of the heating rates. There are two temperature stages in the pyrolysis of oil sludge: 200—400℃ and 400—600℃. The kinetics reaction process of the sample complies with reaction mechanisms of the three dimensional diffusion in the first stage. Pyrolysis reaction of oil sludge of the second stage is in accordance with the rules of the first-order reaction.

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