Apparatus and method for time-domain tracking of high-speed chem

Details Apparatus and method for time-domain tracking of high-speed chem Apparatus and method for time-domain tracking of high-speed chem

1980-10-06

1983-08-02

Novosad, Stephen J.

Wells

Processes

Electric current or electrical wave energy through earth for...

166 60, 166 65R, 166250, 324 585B, E21B 4324, E21B 4900, G01R 2702

Patent

active

043960626

ABSTRACT:
A novel apparatus and method for time-domain tracking of high-speed chemical reactions. The apparatus of this invention includes a feedback system for controlling the RF frequency of an RF radiator system to thereby provide the optimum RF frequency for heating the reaction. The apparatus and method of this invention are particularly useful in the recovery of products from oil shale wherein the oil shale is heated by RF dielectric heating and the feedback system adjusts the RF frequency as the permittivity of the oil shale changes during the heating process.

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patent: 4140180 (1979-02-01), Bridges et al.
patent: 4265307 (1981-05-01), Elkins
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Stuchly, S. S., Rzepecka, M. A. & Iskander, M. F. "Permittivity Measurements at Microwave Frequencies Using Lumped Elements," IEEE Transactions on Instrumentation and Measurement, vol. IM-23, No. 1, pp. 56-62 (Mar. 1974).
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