A capacitive adsorption module assembly is proposed. The capacitive adsorption module assembly includes a plurality of capacitive adsorption modules, each having a disk-shaped spacer configured to form a flow path through which feed flows, a cation exchange membrane attached to any one of an upper surface and a lower surface of the spacer, a first electrode attached to the cation exchange membrane, an anion exchange membrane attached to the other of the upper surface and the lower surface of the spacer, and a second electrode attached to the anion exchange membrane, wherein the capacitive adsorption modules are vertically stacked such that adjacent capacitive adsorption modules share or contact the first electrode or the second electrode, and at least one first terminal and second terminal passing through the stacked modules being provided, wherein the first terminal is electrically connected to the first electrode of an odd-numbered module, and the second terminal is electrically connected to the second electrode of an even-numbered module.

An electrocoagulation unit for removing one or more dissolved constituents from an untreated feedstock comprises a non-electrically conductive housing having a fluid inlet, a fluid outlet and an interior surface; a cathode and anode arranged within the housing, the cathode and anode each having an ionizing surface, the ionizing surfaces of the anode and cathode in opposed facing relation so as to define a gap having a separation distance therebetween; the cathode and the anode configured to be electrically coupled to a DC power supply in a DC electrical circuit so as to ionize and dissolve the ionizing surface of the anode; and a controller configured to maintain the separation distance at a set value as the ionizing surface of the anode dissolves. A method for using a plurality of electrocoagulation units in series is also provided.

According to an embodiment of the present disclosure, an upflow electrochemical coagulation reactor is provided. The upflow electrochemical coagulation reactor comprises a cathode fixed inside the reactor; at least one movable anode positioned at a predetermined distance from the cathode; a sensor configured to sense a change in the distance between the cathode and the anode; a controller configured to make the distance between the cathode and the anode constant while adapting to a change in the distance between the cathode and the anode sensed by the sensor; and a first separator and a second separator, the first separator being positioned above the second separator; and a sludge outlet being in fluid communication with the second separator for sludge delivery therebetween. By using the upflow electrochemical coagulation reactor, power-efficient removing of low-concentration contaminants present in wastewater can be performed.

A simple and efficient electrolysis device for making electrolyzed water from pure water, comprising a controllable electrolysis power supply, an electrolytic electrode plate assembly connected to said power supply, said component being immersed within the to-be-electrolyzed water when in operation. A gap is provided between an anode and a cathode of the electrolytic electrode plate assembly, the gap distance being greater than 0 mm and less than 10 mm, said gap being designed according to the principle of optimal minimization, being less than 0.1 mm when necessary. The area of the surfaces, on either side of the gap, of the anode and the cathode of the electrolytic electrode plate assembly are designed according to the principle of optimal maximization, within the occupied set space. Also disclosed is a simple electrolysis method for making electrolyzed water from pure water.

treatment apparatus including: a tubular treatment tank whose end along a central axis is closed and sectional shape orthogonal to the central axis is a circular shape; a first electrode disposed on one end of the central axis of the treatment tank and having a bar shape; a second electrode disposed on the other end thereof; a power supply applying voltage between the first electrode and the second electrode; a rotation mechanism rotating the first electrode about a central axis of the first electrode; and an air introduction portion introducing the liquid to the one end of the central axis of the treatment tank from a tangential direction of the circular sectional shape of the treatment tank, and causing liquid to swirl about the central axis of the treatment tank therein to generate a gas phase in a swirling flow of the liquid.

The invention concerns an electrolytic reactor, in particular for separating phosphate from phosphate-containing liquids and recovering phosphate salts, comprising a housing, an inlet and an outlet for the liquid and two electrodes of different polarity, which enclose a reactor chamber between them, whereby at least one of the two electrodes is a sacrificial electrode and consists of a magnesium-containing material, whereby the sacrificial electrode is constructed of trapezoid bars which have a first and a second upper surface, whereby the first upper surface is smaller than the second upper surface, and whereby four lateral surfaces connect the first upper surface with the second upper surface.

An electrolysis mechanism for deployment in a reservoir of water, the electrolysis system having at least one rotating cathode mounted on an axle and configured to rotate during an electrolysis process, at least one stationary cathode cleaning element deployed so as to contact a face of the rotating cathode such that during the electrolysis process as the rotating cathode, rotates scale buildup on the rotating cathode is removed and at least one stationary anode deployed adjacent to the rotating cathode. A preferred embodiment of which includes a plurality of spaced apart rotating cathodes; a plurality of stationary cathode cleaning elements with one stationary cathode cleaning element deployed in each space between the rotating cathodes so as to contact a face of each of the rotating cathodes it is deployed between; and a plurality of stationary anodes such that at least one of stationary anode is deployed in each of the spaces between the rotating cathodes.

Systems and processes for removing and purifying bromide from an aqueous bromide solution are described. Electrochemistry is used to either convert bromide to bromine to allow its extraction in an organic phase, or to cause deposition of bromine onto an electrode. In either case, once removed from the aqueous bromide solution, the bromide can be recovered and purified.

An apparatus includes a reservoir for an aqueous salt solution, at least two electrodes spaced apart from each other integrated into the reservoir, a control module electrically coupled to the at least two electrodes, wherein the control module controls application of electricity to cause a first one of the at least two electrodes to be positively charged and a second one of the at least two electrodes to be negatively charged, and an impeller disposed in the reservoir for mixing the aqueous salt solution in the reservoir.

An air/water advanced oxidation purification device includes a draft tube, a motor and at least one spiral partition plate. The spiral partition plate is fixed on an output shaft of the motor. The motor is supported in the draft tube and used for driving the spiral partition plate to rotate at uniform speed around the central axis of the draft tube and for driving air or water to enter into the draft tube. The spiral partition plate includes a plurality of miniature blades arranged along a radial direction of the spiral partition plate, each of the miniature blades includes a plurality of first and second protrusions continuously and staggered arranged along the radial direction and protruding towards two sides of the spiral partition plate, respectively. Air or water is purified through photo-catalytic advanced oxidation reaction or electro-catalytic oxidation-reduction reaction taken place on the surfaces of the spiral partition plate.