Direct Hydrocarbon Upgrade from n-Hexane, n-Octane, and n-Decane Using a Microsecond Pulsed Dielectric Barrier Discharge Non-thermal Plasma

IF 2.5 3区物理与天体物理 Q3 ENGINEERING, CHEMICAL

Plasma Chemistry and Plasma Processing Pub Date : 2025-01-09 DOI:10.1007/s11090-024-10531-2

Saif Marji, Gabriela Baez Zaldivar, Pierre-Luc Girard-Lauriault

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Abstract

Conventional chemical processing methods, employed for transforming hydrocarbon mixtures into more valuable forms, are known to consume high amounts of energy and produce a substantial amount of greenhouse gas emissions. This paper investigates an alternative approach employing non-thermal plasma, in a controlled temperature environment, to synthesize higher-order hydrocarbons. The method examined in this paper, has the potential to reduce energy requirements. Effects of temperature and hydrocarbon chain length on liquid and gas production efficiency are studied. A comparative analysis of the different hydrocarbons as reactants underscores the promising attributes of n-octane in this application. With the proposed reactor configuration, the highest average liquid production efficiency was found in n-octane at 20 °C. Organic compounds with carbon chain lengths as large as 20 carbons where successfully synthesized in the reactor configuration when using decane as the reactant. The observed trends alluded to different chemical reaction pathways being prevalent in different temperature conditions.

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利用微秒脉冲介质阻挡放电非热等离子体直接从正己烷、正辛烷和正癸烷中提纯碳氢化合物

众所周知，用于将碳氢化合物混合物转化为更有价值形式的传统化学处理方法消耗大量能源并产生大量温室气体排放。本文研究了一种在受控温度环境下利用非热等离子体合成高阶碳氢化合物的替代方法。本文研究的方法具有降低能量需求的潜力。研究了温度和烃链长度对产液气效率的影响。不同碳氢化合物作为反应物的比较分析强调了正辛烷在这一应用中的前景。采用所提出的反应器配置，在20°C时，正辛烷的平均产液效率最高。以癸烷为反应物，在反应器构型下成功合成了碳链长度达20个碳的有机化合物。观察到的趋势暗示不同的化学反应途径在不同的温度条件下普遍存在。

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来源期刊

Plasma Chemistry and Plasma Processing 工程技术-工程：化工

CiteScore

5.90

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Publishing original papers on fundamental and applied research in plasma chemistry and plasma processing, the scope of this journal includes processing plasmas ranging from non-thermal plasmas to thermal plasmas, and fundamental plasma studies as well as studies of specific plasma applications. Such applications include but are not limited to plasma catalysis, environmental processing including treatment of liquids and gases, biological applications of plasmas including plasma medicine and agriculture, surface modification and deposition, powder and nanostructure synthesis, energy applications including plasma combustion and reforming, resource recovery, coupling of plasmas and electrochemistry, and plasma etching. Studies of chemical kinetics in plasmas, and the interactions of plasmas with surfaces are also solicited. It is essential that submissions include substantial consideration of the role of the plasma, for example, the relevant plasma chemistry, plasma physics or plasma–surface interactions; manuscripts that consider solely the properties of materials or substances processed using a plasma are not within the journal’s scope.