Method and system for variable frequency electromagnetic water t

Details Method and system for variable frequency electromagnetic water t Method and system for variable frequency electromagnetic water t

1989-02-21

1990-10-16

Spear, Frank

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

204149, 204156, 210 85, 210243, 210748, B01D 1706, C02F 148

Patent

active

049632680

ABSTRACT:
A method and system for utilizing electromagnetic energy to inhibit, prevent, reverse, or alter the formation of rust or scale on various liquid contacting surfaces is disclosed. An electromagnetic signal at a frequency related to the energy absorption/emission characteristics of the liquid being treated are directed into the liquid. The frequency of the treatment signal, preferably between 0.1 KHz and 1000 MHz, may be changed if the absorption/emission profile of the liquid changes during treatment.

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Publication by Professor H. Freundlich, "Industrial Application of Supersonic Vibrations", Publication presented at the Geological Society, Burlington House, London, England on 11-30-1937.
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"Handbook of Chemistry & Physics", 68th Edition, 1987-88.
"Fundamentals of Physics", Halliday and Resnick, 1974, p. 323.

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