The present invention relates to systems and methods for cleaning materials, such as flooring and upholstery. In some cases, the systems and methods use an electrolytic cell to electrolyze a solution comprising sodium carbonate, sodium bicarbonate, sodium acetate, sodium percarbonate, potassium carbonate, potassium bicarbonate, and/or any other suitable chemical to generate electrolyzed alkaline water and/or electrolyzed oxidizing water. In some cases, the cell comprises a recirculation loop that recirculates anolyte through an anode compartment of the cell. In some cases, the cell further comprises a sensor and a processor, where the processor is configured to automatically change an operation of the cell, based on a reading from the sensor. In some cases, a fluid flows past a magnet before entering the cell. In some additional cases, fluid from the cell is conditioned by being split into multiple conduits that run in proximity to each other. Additional implementations are described.

The present invention provides a method for producing electrolyzed water composition for use in cleaning and disinfecting of an object. The method comprises preparing an electrolyte solution comprising water, at least one carbonate salt selected from: alkali metal carbonate salts, and at least one chloride salt selected from: alkali metal chloride salts and/or alkali earth metal chloride salts. The method further comprises introducing the aqueous electrolyte solution into an electrolytic cell comprising a plurality of boron-doped diamond electrodes. The method further comprises operating a power supply to apply a predetermined voltage to the electrolyte solution to produce an electrolyzed water composition comprising a plurality of active molecular and ionic species with antimicrobial activity.

A wastewater treatment system for treating regeneration wastewater generated by a regeneration process using an acidic aqueous solution for a desalination device for desalting water containing ammonia includes a bipolar membrane electrodialyzer for separating, from the regeneration wastewater containing an ammonia salt produced by reaction between ammonia captured by the desalination device and the acidic aqueous solution or from a solution derived from the regeneration wastewater, an aqueous solution containing an acidic solute that is the same as the acidic aqueous solution as a regeneration acidic aqueous solution. The wastewater treatment system is configured such that the regeneration acidic aqueous solution is used as at least part of the acidic aqueous solution for regeneration of the desalination device.

The present invention relates to an apparatus for the production of ozone from water comprising at least one cell, consisting of an anode, a cathode and an interposed cation-conducting membrane, wherein the membrane conductively connects the anode and the cathode while forming flow channels for water that are separated from one another as anode and cathode chambers and wherein the flow channels are configured to allow for the recirculation of the water flow within the chambers. The present invention further relates to an electrochemical method and apparatus for producing ozone or dissolved ozone in water in high concentrations by mean of recirculation of water between at least one chamber and at least one water tank.

An electrolyzing system for electrolyzing a brine solution is provided that includes a housing defining a brine compartment and a fresh water compartment. A first electrolytic cartridge is arranged in the brine compartment and includes an electrically charged electrode. The first electrolytic cartridge includes an inlet in fluid communication with the fresh water compartment and an outlet that is fluid communication with a dispensing system. An electrically powered pump directs fresh water from the fresh water compartment to the inlet of the cartridge. A control system is configured to direct electric power from a power supply to the pump when flow of fresh water from the fresh water compartment to the inlet of the cartridge is detected and configured to stop supplying electric power to the pump when flow of fresh water from the fresh water compartment to the inlet of the cartridge is not detected.

A treated water indicating system and method are described. The water indicating system includes a water treatment unit and a tap. The water treatment unit receives water. The tap includes an indicator light. The indicator light is configured to produce a visible indication of a state of the water treatment unit, in which the indicator light operates in a first mode to produce a visible indication that the water treatment unit is in a first state producing acidic water. Additionally, the indicator light operates in a second mode to produce a visible indication that the water treatment unit is in a second state producing ionized alkaline water. Furthermore, the indicator light operates in a third mode to produce a visible indication that the water treatment unit is in a third state producing ionized purified water. The tap is configured to be coupled to the water treatment unit.

Space cleaning device (1000) of the present disclosure includes: an electrolysis tank; electrolysis accelerator inputter (400) that inputs an electrolysis accelerator; electrolyzed water generator (460) that generates the electrolyzed water; a cleaner; input instruction unit (510) that instructs input of the electrolysis accelerator; input detector (512) that detects the input of the electrolysis accelerator; non-input detection number counter (514); and electric conduction setting determiner (522). Non-input detection number counter (514) counts the non-input detection number that is the number of times input detector (512) has not detected the input of the electrolysis accelerator even after input instruction unit (510) has instructed the input of the electrolysis accelerator. Electric conduction setting determiner (522) determines electric conduction setting for electrolysis in the electrolyzed water generator based on the non-input detection number counted by non-input detection number counter (514).

A driver device (1) includes a pulse generation circuit (5) that generates, within one period, a pulse waveform (Spl) with a first voltage level in a first period (T1) and a pulse waveform with a second voltage level in a second period (T2). A control circuit (2) makes the first period equal to a minimum on period (Tminon) to perform a supply mode for the minimum on period and, if at the end of the minimum on period the output current (Iout) has reached the set current value (Iset), the control circuit makes a switch to a decay mode and performs a skip of a switch to the supply mode at the end of the second period.

An electrolyzed water spraying device of the present disclosure includes: a short-term maintenance water storage portion (30) that stores liquid and requires short-term maintenance; a long-term maintenance water storage portion (31) that stores liquid and requires long-term maintenance; and a notification controller (43) that notifies each of the timing of the next short-term maintenance and the timing of the next long-term maintenance. The notification controller (43) simultaneously performs the notification of the timing of the next short-term maintenance and the notification of the timing of the next long-term maintenance when the timing of the next short-term maintenance and the timing of the next long-term maintenance are close to each other.

The present disclosure is acidic electrolyzed water having an effective chlorine concentration of 10 ppm or more, and containing metal ions at a concentration (molar equivalent ratio) of from 0.46 to 1.95 relative to the effective chlorine concentration, the metal ions being cations of an alkali metal or alkaline-earth metal.