文献类型：期刊文献

中文题名：不同气流床气化工艺炭黑的氧化反应特性

英文题名：Oxidation characteristics of soot in different entrained flow gasification processes

作者：高明[1,2];陶迅[1,2];丁路[1,2];陈哲坤[1,2];代正华[1,2];于广锁[1,2];王辅臣[1,2]

机构：[1]华东理工大学洁净煤技术研究所,上海200237;[2]水煤浆气化及煤化工国家工程研究中心(上海),上海200237

年份：2022

卷号：50

期号：1

起止页码：28

中文期刊名：燃料化学学报

外文期刊名：Journal of Fuel Chemistry and Technology

收录：CSTPCD;;EI(收录号：20220611590841);Scopus;北大核心:【北大核心2020】；CSCD:【CSCD2021_2022】；

基金：国家自然科学基金(21776086,21776087)资助。

语种：中文

中文关键词：炭黑;快速热解;非催化部分氧化;结构;反应性;动力学

外文关键词：soot;rapid pyrolysis;non-catalytic partial oxidation;structure;reactivity;kinetic

摘要：利用高分辨透射显微镜分别对煤和生物质快速热解炭黑、天然气非催化部分氧化小试装置炭黑和工业装置炭黑、商业天然气炉法炭黑和煤焦油炉法炭黑等六种样品的形貌结构进行了表征;基于常压热重分析仪非等温法(50?800℃)对炭黑的着火点、氧化反应速率进行了研究,获得了炭黑的氧化反应动力学参数。研究表明,不同的炭黑理化性质差异较大,煤和生物质快速热解炭黑的球形度更高,粒径较大;天然气非催化部分氧化小试装置炭黑在较低温度下形成,呈现被碳囊包裹的形态;天然气非催化部分氧化工业装置炭黑呈现中空结构,粒径较小。非催化部分氧化小试装置和工业装置炭黑的氧化反应性接近,是天然气炉法炭黑的3.1倍,是煤焦油炉法炭黑的3.2倍;非催化部分氧化炭黑的反应性是煤快速热解炭黑的9.0倍,是生物质快速热解炭黑的26.6倍。两种非催化部分氧化炭黑和两种商业炉法炭黑的活化能随温度变化呈现分段形式;两种快速热解炭黑的活化能随温度升高基本不变。
The morphological structure of six samples including the rapid pyrolysis soot of solid fuels(coal,biomass),the soot from non-catalytic partial oxidation(NCPOX)of natural gas in a laboratory pilot plant and an industrial plant,the commercial carbon black in natural gas furnace/coal tar furnace,were characterized by using a transmission electron microscope.Based on atmospheric thermogravimetric analyzer,the non-isothermal method(50–800℃)was adopted to study the ignition point and the oxidation reaction rate of soot,and the oxidation reaction kinetic parameters of soot was obtained.Studies showed that the physical and chemical properties of various soot were quite different.The soot from the rapid pyrolysis of coal and biomass presented a higher sphericity and a larger particle size.The Lab-NCPOX-soot was formed at a lower temperature which caused the particle being wrapped by a carbon capsule.The Ind-NCPOX-soot had a hollow structure and a small particle size.The reactivity of the Lab-NCPOX-soot is close to that of the Ind-NCPOX-soot,which is 3.1 times that of the commercial natural gas furnace carbon black and 3.2 times that of the commercial coal tar furnace carbon black;the reactivity of NCPOX-soot is 9.0 times of the rapid pyrolysis soot of coal,and 26.6 times of the rapid pyrolysis soot of biomass.The activation energy of 2 kinds of NCPOX-soot and 2 kinds of commercial carbon blacks present staged forms with increasing temperature.The activation energy of the 2 rapid pyrolysis soot was basically unchanged with increasing the temperature.