A multifunctional membraneless boiled water electrolysis machine comprises a container (21) for containing raw water, and a water electrolysis apparatus. The water electrolysis apparatus is mounted outside the container (21) for containing raw water and comprises an electrolysis power supply (9), an electrolysis water tank (10) and an electrolysis electrode assembly (18) located in the electrolysis water tank. A water outlet at a bottom of the container for containing the raw water is connected with a water pump (24) through a pipeline. The water pump (24) is connected with a water inlet (15) of the electrolysis water tank (10) through the pipeline. The raw water in the container can flow into the electrolysis electrode assembly (18) from the water inlet (15) of the electrolysis water tank (10) after being heated or boiled by a heater (16). The water is electrolyzed through the gaps between the electrodes of different polarities in the electrolysis electrode assembly (18). The electrolyzed water flows from a water outlet (28) of the electrolysis water tank (10) to satisfy needs of people for the electrolyzed water of different water temperatures.

There are provided processes for treating a residual. For example, such processes can comprise treating a mixture comprising the residual, a peracid or source thereof and an ammonium salt in a reactor, with an electric field, by means of at least one anode and at least one cathode that define therebetween an electrokinetic zone for treating the mixture. Such processes allow for inactivation of at least one type of pathogen in the residual so as to obtain a treated residual.

A hydrogen addition device adds hydrogen to a biocompatible solution of a liquid containing body formed by the biocompatible solution sealed in a molecular hydrogen permeable container. The hydrogen addition device is provided with a tank for housing the unopened liquid containing body, a hydrogen water generator for producing dissolved hydrogen water formed by water with hydrogen dissolved therein to supply to the tank, and a heating portion for heating the dissolved hydrogen water in the tank to warm the biocompatible solution of the liquid containing body.

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, a fluid channel defined between the concentric electrodes, and an electrical connector positioned at a distal end of a concentric electrode and electrically connected to the electrode. The electrical connectors may be configured to provide a substantially even current distribution to the concentric electrode and minimize a zone of reduced velocity occurring downstream from the electrical connector. The electrical connector may be configured to cause a temperature of an electrolyte solution to increase by less than about 0.5° C. while transmitting at least 100 W of power.

The present disclosure relates to a biocide-generating device for outputting a biocide to a water system. The biocide-generating device includes a power circuit positioned within a housing that defines an electrolytic cell of the biocide-generating device.

A method of generating electrical power or hydrogen from thermal energy is disclosed. The method includes separating, by a selectively permeable membrane, a first saline solution from a second saline solution, receiving, by the first saline solution and/or the second saline solution, thermal energy from a heat source, and mixing the first saline solution and the second saline solution in a controlled manner, capturing at least some salinity-gradient energy as electrical power as the salinity difference between the first saline solution and the second saline solution decreases. The method further includes transferring, by a heat pump, thermal energy from the first saline solution to the second saline solution, causing the salinity difference between the first saline solution and the second saline solution to increase.

A method of generating electrical power or hydrogen from thermal energy is disclosed. The method includes separating, by a selectively permeable membrane, a first saline solution from a second saline solution, receiving, by the first saline solution and/or the second saline solution, thermal energy from a heat source, and mixing the first saline solution and the second saline solution in a controlled manner, capturing at least some salinity-gradient energy as electrical power as the salinity difference between the first saline solution and the second saline solution decreases. The method further includes transferring, by a heat pump, thermal energy from the first saline solution to the second saline solution, causing the salinity difference between the first saline solution and the second saline solution to increase.

The present disclosure relates to a biocide-generating device for outputting a biocide to a water system. The biocide-generating device includes a power circuit positioned within a housing that defines an electrolytic cell of the biocide-generating device.

An electrochemical deionization system that maintains an operating temperature range of a solution stream (e.g., seawater or brackish water) flowing through the cells of the electrochemical deionization system. Maintaining the operating temperature range is targeted at prolonging the lifetime of the system and increasing the overall performance of the electrochemical deionization system.

Disclosed are an electrode structure including: an electrode plate; and a flow path guide disposed on one side of the electrode plate along the circumference of the electrode plate, and an electrolyzer including the electrode structure.