Oxidized Derivatives of n-Hexane from a Water/Argon Continuous Flow Electrical Discharge Plasma Reactor

A non-thermal continuous flow plasma reactor with a liquid water stream and argon carrier gas is shown to convert n -hexane and water into alcohols, alkenes, ketones, hydroperoxides, alpha-hydroxy-ketones and diketones. Fragmented (short chain) primary alcohols, fragmented aldehydes and fragmented c...

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Bibliographic Details
Published in:Plasma chemistry and plasma processing 2016-03, Vol.36 (2), p.553-584
Main Authors: Bresch, Stefan, Wandell, Robert, Wang, Huihui, Alabugin, Igor, Locke, Bruce R.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Classical Mechanics
Inorganic Chemistry
Mechanical Engineering
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Summary:A non-thermal continuous flow plasma reactor with a liquid water stream and argon carrier gas is shown to convert n -hexane and water into alcohols, alkenes, ketones, hydroperoxides, alpha-hydroxy-ketones and diketones. Fragmented (short chain) primary alcohols, fragmented aldehydes and fragmented carboxylic acids are also formed. The variation of the supply voltage and oxygen concentration allows moderate fine-tuning of yield and selectivity of this organic “diversity-oriented” synthetic process. A (pH based) procedure for rapid separation of the organic hydroperoxides has been developed. Computationally determined thermodynamic and kinetic parameters of several reaction pathways support their feasibility. The construction of a mechanistic pathway map was accomplished, providing deeper insight into this radical and plasma based transformation process. Graphical Abstract
ISSN:0272-4324
1572-8986
DOI:10.1007/s11090-015-9686-x