Method for electrical purification and decontamination of liquids and apparatus for effecting same

Claim 1

A method for the electric purification and decontamination of liquids containing suspended and dissolved matter, comprising the step of: passing a pulsating electric current by means of electrodes through a starting liquid, the duration of the current pulses being in the range of from 0.001 to 0.805 second, the voltage being in the range of from 100 to 6000 volts and the distance between the electrodes being from 0.1 to 10 mm., sufficient to cause electric discharges between the electrodes.

Claim 2

A method for the electric purification and decontamination of liquids containing suspended and dissolved matter, comprising the step of: passing a pulsating electric current by means of electrodes through a starting liquid, the duration of the current pulses being in the range of from 0.001 to 0.805 second, the voltage being in the range of from 100 to 6000 volts and the distance between the electrodes being from 0.1 to 10 mm., sufficient to cause electric discharges between the electrodes.

Claim 3

An apparatus for the electrical purification and decontamination of liquids containing suspended and dissolved matter, by passing a pulsating electric current through a starting liquid, comprising in combination: a coagulation chamber having an inlet and an outlet for the starting liquid; a housing of the coagulation chamber; at least two rod-type electrodes made of an erodible metal mounted in the housing of the coagulation chamber in such a manner that the longitudinal axes thereof lie in parallel planes, the distance between the planes being within the inter-electrode gap; at least two separate individual insulators, the number thereof corresponding to the number of the rod-type electrodes, the insulators being intended for providing electrical insulation of the rod-type electrodes from the housing of the coagulation chamber; the rod-type electrodes together with their respective insulators being mounted in the housing of the coagulation chamber to execute reciprocal motion along their respective longitudinal axes through a preset distance; a power source for supplying the rod-type electrodes, electrically connected to the electrodes to apply thereto the pulsating electric current; a means provided in the coagulation chamber for removing gases accumulating in the coagulation chamber in the process of electric purification and decontamination of the starting liquid.

Claim 4

An apparatus for the electrical purification and decontamination of liquids containing suspended and dissolved matter, by passing a pulsating electric current through a starting liquid, comprising in combination: a coagulation chamber having an inlet and an outlet for the starting liquid; a housing of the coagulation chamber; at least two rod-type electrodes made of an erodible metal mounted in the housing of the coagulation chamber in such a manner that the longitudinal axes thereof lie in parallel planes, the distance between the planes being within the inter-electrode gap; at least two separate individual insulators, the number thereof corresponding to the number of the rod-type electrodes, the insulators being intended for providing electrical insulation of the rod-type electrodes from the housing of the coagulation chamber; the rod-type electrodes together with their respective insulators being mounted in the housing of the coagulation chamber to execute reciprocal motion along their respective longitudinal axes through a preset distance; a power source for supplying the rod-type electrodes, electrically connected to the electrodes to apply thereto the pulsating electric current; a means provided in the coagulation chamber for removing gases accumulating in the coagulation chamber in the process of electric purification and decontamination of the starting liquid.

Claim 6

An apparatus for the electric purification and decontamination of liquids containing suspended and dissolved matter, by passing a pulsating electric current through a starting liquid, comprising in combination: a coagulation chamber having an inlet and an outlet for the starting liquid to flow therethrough; a housing of the coagulation chamber; at least two rod-type electrodes made of an erodible metal mounted in the housing of the coagulation chamber in such a manner that their respective longitudinal axis lie in parallel planes, the distance between the parallel planes being within the inter-electrode gap; at least two individual insulators, the number thereof corresponding to the number of the rod-type electrodes, the insulators being intended to ensure electric insulation of the rod type electrodes from the housing of the coagulation chamber; the rod-type electrodes together with their respective insulators being mounted in the housing of the coagulation chamber to execute reciprocal motion along their respective longitudinal axes; an electrode in the form of a hollow rod and made of an erodible metal also included in the coagulation chamber; the electrode in the form of a hollow rod, intended to ensure the passage of the starting liquid therethrough, the outlet of the electrode in the form of a hollow rod being the outlet of the coagulation chamber; the electrode in the form of a hollow rod mounted in direct proximity to the butt ends of the rod-type electrodes and being adapted to execute rotary motion and reciprocal motion along the longitudinal axis of the coagulation chamber; the rod-type electrodes adapted to be displaced in the direction of the electrode in the form of a hollow rod through a distance of from 0.1 to 10 mm.; an electric power source electrically connected to each respective one of the electrodes for supplying thereto a pulsating electric current with the current pulse duration exceeding 0.001 second, the voltage being in the range of from 100 to 6000 volts, to ensure the appearance of electrical discharge between each of the rod-type electrodes and the electrode in the form of a hollow rod, to carry out the process of electric purification and decontamination of the starting liquid and for disinfection thereof; a means provided in the housing of the coagulation chamber for removing gases accumulating in the coagulation chamber in the process of electric purification and decontamination of the starting liquid.

Claim 7

An apparatus for the electric purification and decontamination of liquids containing suspended and dissolved matter, by passing a pulsating electric current through a starting liquid, comprising in combination: a coagulation chamber having an inlet and an outlet for the starting liquid to flow therethrough; a housing of the coagulation chamber; at least two rod-type electrodes made of an erodible metal mounted in the housing of the coagulation chamber in such a manner that their respective longitudinal axis lie in parallel planes, the distance between the parallel planes being within the inter-electrode gap; at least two individual insulators, the number thereof corresponding to the number of the rod-type electrodes, the insulators being intended to ensure electric insulation of the rod type electrodes from the housing of the coagulation chamber; the rod-type electrodes together with their respective insulators being mounted in the housing of the coagulation chamber to execute reciprocal motion along their respective longitudinal axes; an electrode in the form of a hollow rod and made of an erodible metal also included in the coagulation chamber; the electrode in the form of a hollow rod, intended to ensure the passage of the starting liquid therethrough, the outlet of the electrode in the form of a hollow rod being the outlet of the coagulation chamber; the electrode in the form of a hollow rod mounted in direct proximity to the butt ends of the rod-type electrodes and being adapted to execute rotary motion and reciprocal motion along the longitudinal axis of the coagulation chamber; the rod-type electrodes adapted to be displaced in the direction of the electrode in the form of a hollow rod through a distance of from 0.1 to 10 mm.; an electric power source electrically connected to each respective one of the electrodes for supplying thereto a pulsating electric current with the current pulse duration exceeding 0.001 second, the voltage being in the range of from 100 to 6000 volts, to ensure the appearance of electrical discharge between each of the rod-type electrodes and the electrode in the form of a hollow rod, to carry out the process of electric purification and decontamination of the starting liquid and for disinfection thereof; a means provided in the housing of the coagulation chamber for removing gases accumulating in the coagulation chamber in the process of electric purification and decontamination of the starting liquid.