An irrigation system is provided. The irrigation system includes a reservoir for storing irrigation water, an electrolytic gas generator, a detector, and a control unit. The electrolytic gas generator is in fluid communication with the reservoir to output a first gas and a second gas generated by the electrolytic gas generator to the irrigation water. The detector is arranged in the water reservoir to detect the concentrations of dissolved first gas and dissolved second gas of the irrigation water to obtain dissolved gas concentration information. The control unit electrically connects to the detector and the electrolytic gas generator receives the dissolved gas concentration information and adjusts the voltage applied to the electrolytic gas generator according to the dissolved gas concentration information to control the type of gas generated by the electrolytic gas generator and the concentrations of dissolved first and second gas of the irrigation water.

A system and method for stretching the discharge of plasma in a liquid utilizes in certain embodiments a first, second and third electrode within a liquid holding container, a gas injection conduit for introducing a gas such as air or oxygen into the container, and a power supply electrically coupled to at least the second and third electrodes. In certain embodiments, a seed plasma generated by a first and second electrode is stretched, and a larger plasma is generated by a first and third electrode. In certain embodiments, a fourth electrode can be used to further stretch the plasma. An increase in gas introduction flow rate can also be utilized to facilitate the stretching of plasma.

The invention of the current application is directed to a wastewater treatment apparatus. The invention includes a divided membrane electrochemical cell including an anode contained within a anode compartment and cathode contained within a cathode compartment. The anode compartment and said cathode compartment are separated by a proton selective membrane. The invention also includes a voltage source, and a liquid-gas separator. The invention is an economically viable electrochemical advanced oxidation system that can cost-effectively treat recalcitrant COD with low energy, without the necessity for chemicals, and reduce or prevent sludge production in a single step.

The present disclosure discloses a novel membrane-less water electrolysis method for obviously increasing electrolysis efficiency. The method focuses on enabling more impurities in water to be electrolyzed to produce many electrons and conductive ions, and creating good conditions to increase water electrolysis efficiency. A spacing of a gap reserved between a positive electrode and a negative electrode is designed according to a reasonable minimization principle, and the gap is less than 5 mm and more than 0 mm, thereby benefiting enhancement of electrolysis between the impurities and the water molecules in the water; and in a water electrolysis process, the water can smoothly flow in the gap between the positive and the negative electrodes, and a probability and quantities of the impurities and the water molecules electrolyzed by the positive and the negative electrodes are increased, thereby increasing the electrolysis efficiency of the water.

A method of sanitising a body of water including the steps of adding sodium chlorite and/or sodium chlorate to the body of water and converting the sodium chlorite and/or sodium chlorate to chlorine dioxide in an electrolysis cell which is in fluid communication with a water circulation system of the body of water, wherein chlorine is also added to the body of water.

The methods and systems disclosed here relate to treating water. In certain embodiments, a treatment system comprises an electrochemical water treatment device, a recirculating concentrate stream in fluid communication with the electrochemical water treatment device, a flow control device in fluid communication with a first flow path comprising acidic water and configured to be in fluid communication with the recirculating concentrate stream, and a second flow path comprising feed water and configured to be in fluid communication with the recirculating concentrate stream, and a control system in communication with the flow control device. The treatment system may further comprise a recirculating dilution stream in fluid communication with a second inlet and a second outlet of the electrochemical water treatment device.

There is provided an electrolysis device configured to use unpurified water containing a small amount of ions of alkaline earth metal such as Ca and Mg as raw water, and to have a structure of supplying the raw water to a cathode chamber in which deposition of scale of the alkaline earth metal on the surface of a cathode provided in the cathode chamber can be prevented. The electrolysis device and the apparatus for producing electrolyzed ozone water are configured by an electrolysis cell formed in a manner that a membrane-electrode assembly is configured by a solid polymer electrolyte separation membrane formed by a cation exchange membrane, and an anode and a cathode which are respectively adhered to both surfaces of the solid polymer electrolyte separation membrane, and the membrane-electrode assembly is compressed from both surfaces thereof, and thus the solid polymer electrolyte separation membrane, the anode, and the cathode are adhered to each other. A porous conductive metallic material having flexibility and having multiple fine voids therein is used as the cathode, and scale which is mainly formed of hydroxide of alkaline earth metal is stored in fine voids in the cathode, and thus localized deposition of hydroxide of the alkaline earth metal at a contact interface between the cathode and the solid polymer electrolyte separation membrane is prevented.

Electrocoagulation (EC) reactors having pellet flow circuits are disclosed. In one embodiment, the EC reactor includes a reactor vessel having a first inlet and an outlet through which a contaminated feed stream is received and discharged, respectively. An EC reaction chamber is located within the reactor vessel, fluidly coupled between the first inlet and the outlet, and configured to be loaded with consumable EC pellets. The EC reactor further includes an EC pellet flow circuit around which the consumable EC pellets circulate as the contaminated feed stream flows through the EC reaction chamber. First and second electrodes are coupled to the reactor vessel and positioned to generate an electrical field. The consumable EC pellets are exposed to (e.g., pass through or circulate within) the electrical field to induce coagulation of contaminants within the contaminated feed stream as the feed stream flows through the EC reaction chamber.

A water treatment apparatus using a lamella structure according to an embodiment of the present invention includes a first treatment tank which includes a plurality of inclined plates and is configured to pass water subject to treatment between the inclined plates adjacent to each other and a second treatment tank which is installed at a rear end of the first treatment tank to accommodate the water subject to treatment and into which bubbles are supplied, wherein the plurality of inclined plates include positive electrode plates and negative electrode plates that are alternately arranged, and the water subject to treatment passes between the positive electrode plate and the negative electrode plate.

The beauty device according to the present invention comprises by including a mist processing part generating sterilization water by electrolyzing water in a water tank and spraying the generated sterilization water in the form of mists, and a temperature stimulation processing part applying temperature stimulation to skin using a thermoelement. A more convenient and efficient skin care can be made possible because a mist spray function of hydrogen sterilization water and a temperature stimulation function can be simultaneously implemented using a single portable device. The temperature stimulation function can be simply implemented because temperature is controlled using a Peltier device.