摘要：The combustion characteristics of sludge coke, lignite and their mixtures at different heating rates were studied by thermogravimetric analysis. Their combustion kinetic parameters were calculated by Kissinger-Akahira-Sunose (KAS), Flynn-Wall-Ozawa (FWO) and Friedman (FR) methods. The results indicated that the combustion of the oil sludge char was mainly a fixed carbon combustion process, while that of the brown coal was characterized by a process of continuous combustion with a large amount of volatile and little fixed carbon. Compared with the combustion of the oil sludge char, the brown coal had a better combustion performance and its average activation energy was much lower. There was a significant positively synergistic interaction in the co-combustion process of the oil sludge char and the brown coal. When the proportion of brown coal in the blends reached up to 75%, the positively synergistic interaction effect was the strongest. The FR method better reflected the trend of the process, but its generated results were less accurate compared to that from KAS and FWO models. By comparing the theoretical and experimental values of the co-combustion kinetic parameters of the sludge char and the brown coal, it was found that application of thermogravimetric analysis to predict the combustion properties of the mixed fuel exhibited a high reliability, which can thus play an importantly guiding role in the application of the co-combustion technology of the oil sludge char and the brown coal.
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ISSN号：0438-1157

卷、期、页：v 71,n 2,p755-765

发表日期：2020-02-01

收录情况：EI（工程索引）

发表期刊名称：Huagong Xuebao/CIESC Journal

参与作者：张光义

通讯作者：温宏炎,纪德馨

第一作者：张玉明

论文类型：期刊论文

论文概要：温宏炎,张玉明,纪德馨,张光义，Co-combustion of oil sludge char and brown coal: characteristics and kinetics，Huagong Xuebao/CIESC Journal，2020，v 71,n 2,p755-765

论文题目：Co-combustion of oil sludge char and brown coal: characteristics and kinetics