Liquid purification or separation – Processes – Using magnetic force
Patent
1988-09-26
1990-07-03
Jones, W. Gary
Liquid purification or separation
Processes
Using magnetic force
210222, 210223, B01D 3506
Patent
active
049388754
DESCRIPTION:
BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a national phase application of PCT/BE87/00020 filed December 21, 1987 and based, in turn, upon a Belgium National Application No. 8700056 filed January 28, 1989 under the International Convention.
FIELD OF THE INVENTION
The present invention relates to a process for the capacitive transfer of electromagnetic energy to biological liquids or tissues by induction through a wall of metallic or other material, to modify certain ionic charges of the suspended or dissolved particles, so as to alter their physical or physio-chemical behavior, without any contact with the treated substance or without any chemical modification of the latter.
The invention also relates to a process capable of modifying the surface polarity of the inner wall of a tube or container containing the liquid, or of parts, whether or not made of metal, immersed in the liquid to prevent, slow down, stimulate or control the uniform and even coating by incrusting salts.
The invention relates as well to a process for protecting metals from corrosion by means of an adhering layer of calcareous fur, for example, said process permitting a continuous check of the entirety of the liquid present, whereas, previously, the operator was content with passing the liquid into a processing chamber, necessarily of measured size and restricted rate of flow, with, sometimes, losses of pressure and always a loss of efficiency as the distance from said chamber increases in space and time.
BACKGROUND OF THE INVENTION
To soften water or dimineralize it, the prior art used either distillation, or chemical means such as ion exchanger appliances, or the addition of polyphosphates, etc. The drawbacks are known of such processes which alter water chemically and sometimes make it unsuitable for consumption, i.e. nondrinkable.
On the other hand, the amount of sodium present in water after treatment with an ion exchanger makes it inadequate for people following a salt-free diet. Moreover, the periodic regeneration of the system brings about a pollution of the environment which is not negligible and is expensive for the user and the community.
Among the appliances used at present to prevent scaling the following apparatus may be noted:
Apparatus using permanent magnets, the treatment consisting in passing the liquids through the fields of one or more magnets. The operation of such apparatus is dependent upon the condition of the magnets which are fragile and may lose their qualities by becoming coated, particularly with iron particles, and the installation of these appliances requires the opening of the pipes.
So-called electric or electronic apparatus made up a processing chamber containing an anode and a cathode and through which the water to be processed passes. These appliances can process only a limited amount of water, restricted by the capacity of the processing chamber. The deterioration of the anode or the cathode brings about a decrease of output and supervision is therefore necessary. The ducts definitely have to be opened for setting up the apparatus.
So-called ultrasonic appliances, composed of an ultrasonic generator and of an emission probe incorporated into the water duct or the boiler, and the vibrations of which are thought to prevent or destroy existing scaling.
Electronic apparatus of a so-called induction type consisting of a generator and cables coiled on both sides, around the pipe. The capacity of such apparatus is very limited as they create only a very weak current which cannot be verified in situ and are absolutely not suitable for the constant rates of flow or for the large diameters of the pipes. Accordingly, their industrial applications are either impossible or very restricted.
The process of capacitive transfer by induction of the invention uses at least two separate electric circuits, one primary circuit connected to an electronic generator supplying the electric pulses which can be set, or are already set, in terms of shape, frequency, amplitude and intensity, and one secon
REFERENCES:
patent: 2652925 (1953-09-01), Vermeiren
patent: 3703958 (1972-11-01), Kolm
patent: 4299701 (1981-11-01), Garrett et al.
patent: 4326954 (1982-04-01), Shroyer
patent: 4879045 (1989-11-01), Eggerichs
Dubno Herbert
Jones W. Gary
Savage Matthew O.
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