A water treatment device includes: an insulating divider which divides a space inside a water tank into two treatment vessels adjacent to each other in a horizontal direction, and includes a current carrier which is able to energize water in the two treatment vessels; a treatment unit including a pair of electrodes, a power supply, and a power supply controller; a water supplier which supplies water to each of the treatment vessels; and a draining member which drains water from each of the treatment vessels. The treatment unit includes a detector which detects a level of water in each of the treatment vessels based on an index corresponding to a current value between the pair of electrodes.

Disclosed is a 3-dimensional porous mono-polar electrode body that includes a 3-dimensional porous parent substance, which has a 3-dimensional structure including a side and a remaining side that communicate with each other via a plurality of pores arranged in multiple layers and which is made of a metal material to have dimensional stability, and an electrode catalyst layer applied on the 3-dimensional porous parent substance. The 3-dimensional porous mono-polar electrode body is used to remove microorganisms contained in treatment water to thus minimize the consumption of power, which is required to remove the microorganisms, prevent secondary pollution, and ensure the durability of an electrode.

The present disclosure provides a liquid treatment device and a liquid treatment method each capable of efficiently generating plasma and treating a liquid in a short time period. A liquid treatment device according to the present disclosure includes a first electrode, a second electrode disposed in a liquid, an insulator disposed surrounding the first electrode through a space, the insulator having an opening portion at a position in contact with the liquid, and a power supply that applies an AC voltage or a pulse voltage between the first electrode and the second electrode.

A system and method of treating sour water, including providing sour water having hydrosulfide ions and a carbon-containing compound to an anodic chamber of an electrolyzer vessel, converting the hydrosulfide ions into sulfate ions in the anodic chamber via an oxido half-reaction of a first oxido-reduction reaction and generating carbon dioxide in the anodic chamber via an oxido half-reaction of a second oxido-reduction reaction associated with the carbon-containing compound. The technique includes reacting the carbon dioxide with hydroxide ions in the anodic chamber to generate bicarbonate ions. The technique includes discharging an anodic chamber solution having the sulfate ions and the bicarbonate ions from the electrolyzer vessel from the anodic chamber.

An ion conductive intercalation membrane is useful to separate anode and cathode compartments in an electrochemical cell and provide ion transport between the anode and cathode compartments. The intercalation membrane does not receive and release electrons during operation of the electrochemical cell. An electric potential and current source is connected to an anode and a cathode disposed in respective anode and cathode compartments to cause oxidation and reduction reactions to occur at the anode and cathode, to cause electrons to flow through an external circuit coupled to the anode and cathode, and to cause ions to transport through the intercalation membrane to maintain charge neutrality within the electrochemical cell. The electrochemical cell operates at a current density greater than 25 mA/cm.sup.2 across the intercalation membrane.

The invention relates to a device for electrolysis comprising a substrate (1, 6) on which an anode formed of a first diamond layer (3) and a cathode formed of a second diamond layer (4) are provided, wherein the first (3) and second diamond layers (4) are each made of diamond doped with boron.

Methods and systems for in situ electrochemical treatment of aqueous solutions used in agricultural systems, community systems and industrial systems. In aspects, is an in situ electrochemical method for the treatment of fertigation water, comprising: flowing the fertigation water through an electrochemical cell comprising at least one anode and at least one complementary cathode while simultaneously adjusting one or more of current density, flow rate and pH, wherein said flowing fertigation water contacts the anode and cathode causing one or more of: degradation of a recalcitrant organic contaminant, mineralization and solubilization of an organic, forming a disinfection agent against a pathogen, and maintaining nutrient levels in said fertigation water; and collecting treated effluent.

A disinfection system includes an ozone water generator and a top seat. A base of the top seat has a top seat entrance and a top seat exit. A middle portion of an underside of the base is formed with an opening having a top seat inlet and a top seat outlet to communicate with the top seat entrance and the top seat exit. A power interface is provided on an outer cover of the top seat. Generator claws are interlocked with top seat claws. A generator mouth at a middle portion of the upper end of the ozone water generator is inserted into the opening. The generator mouth is formed with a generator inlet and a generator outlet to communicate with the top seat inlet and the top seat outlet. An anode and a cathode of the ozone water generator are movably connected to the generator control board through wires. The disinfection system is able to avoid unnecessary waste and improve convenience of use.

A disinfection system includes an ozone water generator and a top seat movably connected to the ozone water generator. The top seat includes a generator control board and an on-off control device therein. The on-off control device includes a flow switch. The flow switch is connected to the generator control board through a signal wire. A top seat inlet of the top seat is in communication with a top seat outlet of the top seat through an inlet of the flow switch, an outlet of the flow switch, a generator inlet of the ozone water generator, a generator outlet of the ozone water generator and a pipe. The ozone water generator is connected to the generator control board through a connecting wire. The generator control board is connected to an external power source through a power wire. The disinfection system can sense changes in water flow and directly generate ozone water according to needs, thereby improving the convenience for use, ensuring the sensitivity of the flow switch and increasing the maximum water flow range.

A disinfection and sterilization device of a beverage maker is disclosed. The beverage maker has an operation panel, a beverage outlet, and a water receiving tank under the beverage outlet. The beverage maker is provided with a power cord and a feed-water pipe. One end of the feed-water pipe is connected to the beverage maker, and the other end of the feed-water pipe is connected to an ozone water producing device. The ozone water producing device is connected with a water supply apparatus through a water supply pipe. The electrolytic ozone water generator is directly connected to the water supply pipe of the beverage maker. The ozone water producing device works to generate ozone gas microbubbles that are quickly dissolved and mixed in the water to generate ozone water. The internal pipe and the beverage outlet of the beverage maker through which the ozone water flows are sterilized.