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Co-pyrolysis coking characteristics of nC12H26 and DHN/MeOH/EtOH/MF/ DMF/H2O/H2/CO2/CO/N2 under supercritical condition

文献类型：期刊论文

作者Li, Haowen1,2; Zhang, Hui1,5; Lan, Hao1,4,6; Zheng, Youdan1; Sun, Yonghui4; Lai, Zhirong1; Wang, Xiaohan3,7
刊名JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
出版日期2024-03-01
卷号178页码:13
关键词N-dodecane Additive Co -pyrolysis coking Heat sink Supercritical condition
ISSN号0165-2370
DOI10.1016/j.jaap.2024.106429
通讯作者Lan, Hao(hlan@ipe.ac.cn) ; Wang, Xiaohan(wangxh@ms.giec.ac.cn)
英文摘要The introduction of additives or carrier gases to change the physicochemical process of endothermic fuel in a regenerative cooling channel and then regulate the carbon deposition behavior is an important coking control method. In this work, the co -pyrolysis and coking behavior of several novel additives, such as alcohols, furans, flue gas, and syngas, is compared under the supercritical condition of n-dodecane (nC12H26) with the traditional hydrogen supply agent decalin (DHN) and inert nitrogen (N2) as the basis in a 304STS tube with an inner diameter of 2 mm. Results show that the addition of methanol (MeOH) / ethanol (EtOH) / 2-methylfuran (MF) / 2,5-dimethylfuran (DMF) promotes the pyrolysis of nC12H26 and shows a strong coking trend. The coking rate of carbon monoxide (CO) addition is higher than that of carbon dioxide (CO2) addition, and the system is prone to presenting an exothermic chemical effect. The addition of hydrogen (H2) does not contribute to the hydrogen source but leads to a high coking risk at a low blend ratio. Although water (H2O) and CO2 atmospheres exhibit coke inhibition potential, they weaken the heat absorption capacity of nC12H26. The co -pyrolysis of alcohols, furans, and hydrocarbon feedstock to CO needs to be controlled in a targeted manner, so that endothermic fuels have high heat sink and low coking tendency in regenerative cooling channels.
WOS关键词HYDROGEN ; CRACKING ; COMBUSTION ; DEPOSITION ; OXIDATION ; ETHYLENE ; STEAM ; FUEL
资助项目Key Laboratory of Rare Earths, Chinese Academy of Sciences[E32PF00116] ; National Natural Science Foundation of China[51976219] ; Independent deployment project of Ganjiang Innovation Academy, Chinese Academy of Sciences[E155D00101] ; Independent deployment project of Ganjiang Innovation Academy, Chinese Academy of Sciences[E355B0020] ; Double Thousand Plan of Jiangxi Province[jxsq2023101058]
WOS研究方向Chemistry ; Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:001202790200001
出版者ELSEVIER
资助机构Key Laboratory of Rare Earths, Chinese Academy of Sciences ; National Natural Science Foundation of China ; Independent deployment project of Ganjiang Innovation Academy, Chinese Academy of Sciences ; Double Thousand Plan of Jiangxi Province
源URL[http://ir.giec.ac.cn/handle/344007/41467]  
专题中国科学院广州能源研究所
通讯作者Lan, Hao; Wang, Xiaohan
作者单位1.Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China
2.Chinese Acad Sci, Key Lab Rare Earths, Ganzhou 341000, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
5.Univ Sci & Technol China, Sch Rare Earths, Hefei 230026, Peoples R China
6.Chinese Acad Sci, Ganjiang Innovat Acad, 1 Kexueyuan Rd, Ganzhou 341000, Jiangxi, Peoples R China
7.Chinese Acad Sci, Guangzhou Inst Energy Convers, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Li, Haowen,Zhang, Hui,Lan, Hao,et al. Co-pyrolysis coking characteristics of nC12H26 and DHN/MeOH/EtOH/MF/ DMF/H2O/H2/CO2/CO/N2 under supercritical condition[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2024,178:13.
APA Li, Haowen.,Zhang, Hui.,Lan, Hao.,Zheng, Youdan.,Sun, Yonghui.,...&Wang, Xiaohan.(2024).Co-pyrolysis coking characteristics of nC12H26 and DHN/MeOH/EtOH/MF/ DMF/H2O/H2/CO2/CO/N2 under supercritical condition.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,178,13.
MLA Li, Haowen,et al."Co-pyrolysis coking characteristics of nC12H26 and DHN/MeOH/EtOH/MF/ DMF/H2O/H2/CO2/CO/N2 under supercritical condition".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 178(2024):13.

入库方式： OAI收割

来源：广州能源研究所

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