NDLI: Application of an electrochemical pulsed flow reactor to electroorganic synthesis: Part I: Reduction of acetophenone

Content Provider	Springer Nature Link
Author	Belmant, C. Cognet, P. Berlan, J. Lacoste, G. Fabre, P. L. Jud, J. M.
Copyright Year	1997
Abstract	The aim of this work is to investigate the use of a new type of reactor for electroorganic synthesis. The concept of the reactor is based on the principle of the porous percolated pulsed electrode (E3P) which was primarily developed at commercial scale for metal recovery in waste waters. The reactor is fitted with a three-dimensional electrode, of axial configuration, consisting of ordered stacks of discs of expanded metal. It can be supplied either by a homogeneous electrolyte or by an emulsion generated by an external ultrasonic system. The pulsation of the electrolyte represents a very effective means of improving mass transfer rates at the electrode. Under two phase conditions, the role of the pulsation is also to ensure the hydraulic transport of the emulsion and to increase the three phase contacts between the aqueous phase, the organic phase and the electrode. The efficiency of the reactor was tested using both homogeneous and two phase liquid–liquid electrolytes in the direct reduction process of an aromatic ketone. This study reports the effects of the pulsation on the mass transfer rate of acetophenone at the electrode. A comparative study of the behaviour of the E3P reactor towards different media is accomplished. Particular attention is paid to the chemical and faradaic yields, as well as to the selectivity of the reaction.
Starting Page	185
Ending Page	191
Page Count	7
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	28
Issue Number	2
e-ISSN	15728838
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electrochemistry Physical Chemistry Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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