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|Title: ||Reactions of toluene and oxygen in an electrical discharge|
|Authors: ||Eriksson, Karl R.|
|Issue Date: ||1975|
|Publisher: ||© K.R. Eriksson|
|Abstract: ||The chemical reactions of toluene and oxygen in a 50 Hz ac
discharge have been studied in a capacitive coupled discharge
The variables investigated were partial pressure of the
reactants, reactor pressure, reactor temperature, reactant ratios,
applied reactor voltage, discharge current,capacitive current,
breakdown voltage, and the phase shift.
The thermal reaction was negligible at temperatures below
The major products of the reaction between toluene and oxygen
were benzaldehyde, o-cresol, benzene, m+p-cresol, phenol and benzyl
alcohol. The reaction was controlled by the electric field and the
total reactor pressure.
The threshold energy for the chemical reaction was found to be
about 10 eV.
The reaction was found to be of first order with respect to
oxygen. The effect of the electric field was correlated by the
The selectivity of benzene was mainly determined by the ratio
of toluene to oxygen. Cresol, benzaldehyde, benzyl alcohol and
phenol were mainly controlled by the parameter E/N and the partial
pressure of oxygen and were all first order with respect to oxygen. A rate expression for bimolecular reactions in cold plasmas
was derived and found to agree well with the experimental results.
A model was proposed to explain some unusual features of the
discharge current and a circuit for measuring the discharge
current was described.
The energy yield obtained was about 1 kWhr per mole toluene.|
|Description: ||A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy of Loughborough University.|
|Appears in Collections:||PhD Theses (Chemical Engineering)|
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