The influence factors of dielectric barrier discharge plasma to production of syngas derived from H2S-CO2 acid gas

Q3 Energy

燃料化学学报 Pub Date : 2023-12-01 DOI:10.1016/S1872-5813(23)60365-2

Kang YU , Min LI , Gao-pan SUN , Peng ZHOU , Jin-lang TAN , Bin WANG , Tao WANG , Xiao-liang MU , Lu ZHAO , Ke-gong FANG

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引用次数: 0

Abstract

H₂S and CO₂, two harmful acid waste gases, often co-exist in important chemical production such as coal-chemical industry, natural gas chemical industry and petrochemical industry, causing corrosion of industrial equipment and pipelines, and must be treated innocuously. Co-conversion of H₂S-CO₂ mixed acid gas to syngas has been carried out using dielectric barrier discharge (DBD) plasma-catalysis, which renders the highly corrosive and toxic H₂S and greenhouse gas CO₂ harmless, and produces syngas. The effects of various parameters of the DBD plasma on the reaction of one-step conversion of H₂S-CO₂ to syngas were studied. Moreover, a comparative study of the different parameters of DBD plasma was carried out. The intrinsic correlation between the reaction performance of syngas production via H₂S-CO₂ conversion and these parameters, including specific energy input (SEI), discharge shape, discharge frequency, discharge gap and discharge length, was investigated and revealed. On this basis, a multi-tube parallel DBD plasma reaction system was designed and constructed.

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介质阻挡放电等离子体对 H2S-CO2 酸性气体合成气生产的影响因素

H2S 和 CO2 这两种有害的酸性废气经常并存于煤化工、天然气化工和石油化工等重要的化工生产中，对工业设备和管道造成腐蚀，必须进行无害化处理。利用介质阻挡放电（DBD）等离子催化技术将 H2S-CO2 混合酸性气体协同转化为合成气，使具有强腐蚀性和毒性的 H2S 和温室气体 CO2 变为无害，并产生合成气。研究了 DBD 等离子体的各种参数对 H2S-CO2 一步转化为合成气反应的影响。此外，还对 DBD 等离子体的不同参数进行了比较研究。研究并揭示了通过 H2S-CO2 转化生产合成气的反应性能与这些参数（包括比能量输入 (SEI)、放电形状、放电频率、放电间隙和放电长度）之间的内在联系。在此基础上，设计并构建了多管并行 DBD 等离子体反应系统。

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来源期刊

燃料化学学报 Chemical Engineering-Chemical Engineering (all)

CiteScore

2.80

自引率

0.00%

发文量

5825

期刊介绍： Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.