A heating apparatus of a water electrolysis system includes: an enclosure with a draw-in hole; a heating unit accommodated in the enclosure; a blowing unit for directing outside air to the heating unit; a circulation channel for directing part of air heated by the heating unit to a space between the heating unit and the blowing unit; and a draw-out portion for leading the air heated by the heating unit to the outside. The air in the circulation channel is introduced to a space between the heating unit and the blowing unit due to the Venturi effect.

A method for changing filler pollutant accumulation of a constructed wetland belongs to the field of environmental protection engineering. A coupling device of a microbial fuel cell and a constructed wetland is constructed by using active carbon as a constructed wetland filler, and pond sewage enters into the constructed wetland from the top of the device in an intermittent mode. A titanium mesh is taken as an electron collector for packaging a cathode of the active carbon filler by using the characteristic that electrons are collected by the titanium mesh in a concentrated mode, after stable operation for a period of time, active carbon close to a water surface and active carbon close to the bottom of the titanium mesh are taken out for carrying out specific surface area and biomass measurement, and the accumulation distribution condition of filler pollutants inside the constructed wetland is analyzed.

A water treatment apparatus includes: a first granular electrode member and a second granular electrode member stored in a water treatment unit and provided so as to be separated from each other; a power supply unit which applies voltage between the first granular electrode member and the second granular electrode member so that ions contained in treatment target water supplied from one side of the water treatment unit are adsorbed to the first granular electrode member and the second granular electrode member; and a washing water supply pump which causes washing water to flow from the other side of the water treatment unit to the one side of the water treatment unit, thereby washing the first granular electrode member and the second granular electrode member, wherein the first granular electrode member and the second granular electrode member each include a plurality of flowable granular electrode members.

A system and method for electromagnetic activation or active metals generation is disclosed herein. This system may include: a cylindrical housing; a plurality of inductor coils connected to a three phase alternating current source, where inductor coils are positioned in an interior space between the cylindrical housing and an exterior face of a conduit; the conduit installed inside the cylindrical housing, where the conduit includes a dielectric section with a perforated baffle a mechanism to secure the conduit to the cylindrical housing, a tube for adding a chemically active agent into the conduit, a dielectric section with a lid and a gas valve positioned on top of the lid at an end of the conduit, and a plurality of metal particles occupying the internal volume of the conduit and maintained in a relative position with respect to the inductor coils.

A method for changing filler pollutant accumulation of a constructed wetland belongs to the field of environmental protection engineering. A coupling device of a microbial fuel cell and a constructed wetland is constructed by using active carbon as a constructed wetland filler, and pond sewage enters into the constructed wetland from the top of the device in an intermittent mode. A titanium mesh is taken as an electron collector for packaging a cathode of the active carbon filler by using the characteristic that electrons are collected by the titanium mesh in a concentrated mode, after stable operation for a period of time, active carbon close to a water surface and active carbon close to the bottom of the titanium mesh are taken out for carrying out specific surface area and biomass measurement, and the accumulation distribution condition of filler pollutants inside the constructed wetland is analyzed.

A magnet positioning system for positioning magnets inside pipes includes a first stackable paddle that includes slots for accepting magnets and a second stackable paddle that includes a metal component for attracting the magnets and securing the magnets in the slots when the paddles are stacked together. Once stacked together, the paddles are inserted into position inside a pipe and the metal component is removed to release the magnets which move toward, and attach to, the inside wall of the pipe. A fluid conduit is positioned between the magnets using a spacer and a fixing agent permanently secures the magnets, fluid conduit, and spacer in place.

There is provided a liquid treatment apparatus which includes a treatment tank which generates a gas phase in a swirling flow of liquid, by swirling an introduced liquid and which treats liquid by applying a pulse voltage to a generated gas phase to generate plasma, in which an insulator which is an insulating space forming member is disposed on a wall surface of one end of the treatment tank so as to prevent a swirling flow from being affected, faces the space connected via the through-hole of the insulator, and thus the first electrode is disposed.

An electrolytic liquid generation device according to the present disclosure includes an electrolytic part and a housing in which the electrolytic part is disposed. The electrolytic part has a laminate including mutually adjacent electrodes and a conductive film interposed between the electrodes. The electrolytic part electrolyzes a liquid. The housing includes an electrode case having a recess with an opening to enable insertion of the electrolytic part through the opening and to contain the electrolytic part in the recess, and an electrode case lid to cover the opening of the electrode case. The electrolytic part is contained in the recess such that lamination direction Z of the laminate is substantially aligned with a direction in which the opening opens. This configuration provides an electrolytic liquid generation device that can be built with improved facility.

The invention relates to an electrode arrangement (10) for electrochemically treating a liquid. The electrode arrangement (10) has two electrodes (2), each of which has at least one electrode surface (4) and at least one through-flow chamber (34) with at least one inlet (22) and at least one outlet (24). The at least one through-flow chamber (34) is delimited on at least one first face by at least one electrode (2) which has a structure (8) on its electrode surface (4) such that a distance between the electrode surface (4) and a second through-flow chamber (34) face lying opposite the first face is varied. The invention is characterized in that the structure (8) forms at least 30% of the electrode surface (4) and is designed such that the distance between the electrode surface (4) and the second face increases and decreases multiple times along at least one direction, and the liquid flowing through the through-flow chamber (34) is mixed by means of the structure (8) and is set into a turbulent flow in particular.

Nickel electrodes comprising an electrically conductive nickel sheet and a nickel layer deposited thereon which consists of spherical, porous nickel particles which adhere to each other, made by the method of partially reducing spherical nickel hydroxide particles in a reducing atmosphere at elevated temperatures to obtain partially reduced spherical Ni/NiO particles, preparing a paste from the Ni/NiO particles obtained and an organic and/or inorganic binder as well as further excipients as required, applying the paste in a layer to one or both sides of the electrically conductive nickel sheet, and tempering the coated nickel sheet in a reducing atmosphere at elevated temperatures. Self-supporting nickel layers of spherical, porous nickel particles which adhere to each other. Producing nickel electrodes and the self-supporting nickel layer, and use thereof, particularly as an electrode for water electrolysis.