A portable hydrogen-containing ozone water humidifier including a housing with a mist outlet, a water tank for storing water, a hydrogen-containing ozone water generator, an ultrasonic atomizer for converting water into mist, a rechargeable battery and an electronic controller is revealed. An outlet pipe is connected to the bottom of the water tank and the hydrogen-containing ozone water generator is disposed on the outlet pipe for hydrolysis of the water to generate oxygen and ozone gas at an anode plate and hydrogen gas at a cathode plate and further get disinfectant water formed by ozone water mixed with hydrogen-rich water while the ultrasonic atomizer is arranged at an outlet end of the outlet pipe. The rechargeable battery provides power to the electronic controller, the hydrogen-containing ozone water generator, and the ultrasonic atomizer for driving them to work. The humidifier is compact and easy to carry.

Disclosed is a filter and a filter case using CDI, and a water purifier and a water softener using the filter case. Specifically, the filter case comprises: a case having a cylindrical shape and including a receiving space formed therein; a first cover having an inlet formed in the center thereof and configured to close one side of the case; and a second cover having an outlet formed in the center thereof and configured to close the other side of the case.

Assemblies designed to facilitate detection of water flow in low water flow situations. In some embodiments, the assembly includes a channel that narrows from an inlet end of the assembly to an outlet end of the assembly to increase the velocity of water flowing through the channel. In some embodiments, the assembly may also include a water delivery mechanism that delivers water flowing through the channel to a flow sensor and enables the detection of water flow, even in low flow situations.

A water ionizer includes a stacked electrolyzer and a flow switching device, with an inlet being separate from an outlet. Water entering an input regulator is distributed at a predetermined ratio before being supplied to an electrolyzer module to minimize acidic water to be discarded. Water supplied from the input regulator is directed to pass through the electrolyzer module in a crossing manner to delay flows of water to improve the efficiency of electrolysis. Electrolyzer cells are stacked on and fitted to each other to simplify an assembly process and improve convenience. Electrode plates of the electrolyzer module are fixedly fitted into a frame to facilitate an assembly process and improve a fabrication process. The input regulator and a flow switching output unit are connected via a connecting shaft to synchronize the operations thereof to obtain reliability.

An electrochemical cell for treating a fluid, the electrochemical cell comprising: at least two opposing electrodes defining a flow path for the fluid between the electrodes, where at least one of the electrodes is formed of electrically conductive diamond material; drive circuitry configured to apply a potential across the electrodes such that a current flows between the electrodes when the fluid is flowed through the flow path between the electrodes; and a housing in which the electrodes are disposed, the housing comprising pressure seals configured to containing the fluid within the fluid path and a support structure for supporting the electrodes, wherein the support structure and the pressure seals are configured such that the electrochemical cell has an operating pressure in a range 2 to 10 bar within which the electrodes are supported without fracturing and within which the fluid is contained within the flow path, wherein the electrodes are spaced apart by a distance in a range 0.5 mm to 4 mm, and wherein the drive circuitry is configured to apply a potential across the electrodes giving a current density ≥15,000 Amp/m.sup.2 over an electrode area of at least 20 cm.sup.2 for an operating voltage of no more than 20 V.

A disclosed portable replenishable scalable electrodialysis device includes conductive members extending the cell length, with a first conductive member connected to a negative polarity current and a second conductive member connected to a positive polarity current source. Each cell includes four membranes, with a first membrane positioned adjacent a first conductive member, a second membrane positioned adjacent a second conductive member, etc. Each cell has five channels, with a first channel positioned between the first membrane and the first conductive member, the second channel positioned between the second membrane and the second conductive member, etc. The device is connected to sources of salt water, diluent water, and water with conductive material, where the water with the conductive material is flowed through a first channel and a second channel, and the salt water is flowed through a third and fourth channel and the diluent is flowed through said fifth channel.

The present disclosure relates to a biocide generating system for inhibiting bio-fouling within a water system of a watercraft. The water system is configured to draw water from a body of water on which the watercraft is supported. The biocide generating system includes an electrode arrangement adapted to be incorporated as part of an electrolytic cell through which the water of the water system flows.

The present disclosure provides an energy-saving technology using switching of current of an electrode terminal, which is applied to a capacitive deionization (CDI) water purification apparatus, and control of switching of the current. The water purification apparatus includes a case 110 having an inlet 113 formed in one side thereof and an outlet 115 formed in the opposite side thereof, a plurality of electrode plates 120 accommodated in the case and stacked on one another, and an electrode terminal 130 selectively and electrically connected to the plurality of electrode plates and configured to allow direct current to flow therethrough.

Self-cleaning electrochemical cells, systems including self-cleaning electrochemical cells, and methods of operating self-cleaning electrochemical cells are disclosed. The self-cleaning electrochemical cell can include a plurality of concentric electrodes disposed in a housing, for example, a cathode and an anode, a fluid channel defined between the concentric electrodes, a separator residing between the concentric electrodes, first and second end caps coupled to respective ends of the housing, and an inlet cone. The separators may be configured to localize the electrodes and dimensioned to minimize a zone of reduced velocity occurring downstream from the separator. The end caps and inlet cone may be dimensioned to maintain fully developed flow and minimize pressure drop across the electrochemical cell.

A portable hydrogen-containing ozone water humidifier including a housing with a mist outlet, a water tank for storing water, a hydrogen-containing ozone water generator, an ultrasonic atomizer for converting water into mist, a rechargeable battery and an electronic controller is revealed. An outlet pipe is connected to the bottom of the water tank and the hydrogen-containing ozone water generator is disposed on the outlet pipe for hydrolysis of the water to generate oxygen and ozone gas at an anode plate and hydrogen gas at a cathode plate and further get disinfectant water formed by ozone water mixed with hydrogen-rich water while the ultrasonic atomizer is arranged at an outlet end of the outlet pipe. The rechargeable battery provides power to the electronic controller, the hydrogen-containing ozone water generator, and the ultrasonic atomizer for driving them to work. The humidifier is compact and easy to carry.