Sanyo Electric Co., Ltd.

School Legal Corporation, Osaka Medical College

Naoki Hiro

Tsuyoshi Rakuma

Tomohito Koizumi

Kenji Nasako

Masahiro Iseki

Ikuo Yonezu

Yoshio Ozawa

Fumitake Kondo

Jun Hirose

Teruhiko Imoto

Toshihiko Saito

Koichi Nishimura

Hiroyuki Hashimoto

Hiroyuki Umezawa

Mineo Ikematsu

Takahiro Yonesaki

Akio Furukawa

Katsuhiko Mushiake

Yasuhito Kondo

Masato Osumi

Yasushi Yamamoto

Yasuharu Kurogi

Naoki Kitayama

Toshihiro Yamada

Katsuyoshi Oki

Masaki Moriizumi

Yurika Koizumi

Tomohito Takada

Toyohide Kobayashi

Koji Akashi

Masakazu Moroto

Tadato Fujihara

Noriyuki Nakazawa

Kouichi Sano

Takashi Nakano

Hiroshi Takenaka

Motoki Kouchi

Yoko Ando

Motoki Kochi

Jyun Hirose

Sayaka Oyanagi

A water treatment apparatus includes a storage unit storing water to be treated including a pharmaceutical drug, an apply unit applying the water to be treated to the storage unit, an addition unit adding into the water to be treated metal salt generating halide ions when dissolved in the water to be treated, and an energizing unit applying a current to a pair of electrodes immersed in the water to be treated in the storage unit. The pharmacological activity of the pharmaceutical drug is eliminated or reduced by decomposing or altering at least a portion of the chemical structure of the pharmaceutical drug included in the water to be treated through electrolysis.

Water treatment apparatus and method

There is provided a nitrogen treating method capable of treating nitrogen compounds efficiently. The method is a nitrogen treating method of treating nitrogen compounds in for-treatment water by electrolysis and performs a first treating step of producing ammonia from the nitrogen compounds in the for-treatment water by electrolysis using a cathode and an anode between which a cation exchange film is interposed so as to define a cathode reaction region and an anode reaction region, and a second treating step of removing the ammonia in the for-treatment water treated in the cathode reaction region by the first treating step.

Nitrogen treating method

There are provided an electrode for electrolysis which takes into consideration safety to human bodies and environmental pollution upon disposal of the electrode, produces ozone with high efficiency and has excellent durability, a production process of the electrode, and an active oxygen producing device using the electrode. In an electrodefor electrolysis which has an electrode catalyst at least on the surface and produces ozone or active oxygen in for-treatment water by electrolysis, the electrode catalyst contains a dielectric which constitutes more than 70% of the surface area of the electrode catalyst.

Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device

An object of the present invention is to provide a waste water treating method and a waste water treating apparatus which are capable of treating for-treatment water containing a nitrogen compound and a phosphorus compound at low costs and efficiently. The waste water treating method is a waste water treating method for treating a nitrogen compound (nitrate nitrogen) and a phosphorus compound (phosphate ions) in for-treatment water by electrolysis as an electrochemical process, the method comprises a first treating step of immersing a pair of electrodes in the for-treatment water at least partially so as to treat the for-treatment water by electrolysis, one of the electrodes being a cathode made of a conductive material and the other of the electrodes being an anode made of iron, and a second treating step of treating the for-treatment water with hypochlorous acid, ozone or active oxygen after completion of the first treating step.

Waste water treating method and waste water treating apparatus

There are provided a nitrogen treating method and system for a nitrogen compound, which can treat the nitrogen compound efficiently and which can reduce the size and cost of an apparatus. The gist is that, in a nitrogen treating method wherein a nitrogen compound in for-treatment water is treated according to an electrochemical technique, a cathode reaction region and an anode reaction region are defined by a cation exchange membrane interposed between a cathode and an anode, and the for-treatment water treated in the cathode reaction region according to the electrochemical technique is treated with hypohalogenous acid, or, ozone or active oxygen according to a chemical technique.

Nitrogen treating method and nitrogen treating system

There are proposed a waste water treating method, a waste water treating appratus and a waste water treating system which are capable of treating a nitrogen compound and a phosphorus compound in the same treating vessel and treating waste water containing a nitrogen compound and a phosphorus compound efficiently. The waste water treating method is a method for treating a nitrogen compound and a phosphorus compound in for-treatment water by an electrochemical process, wherein a metal material constituting a cathode is a conductive material, a conductive material constituting an anode is an insoluble material or carbon, and there is carried out at lease one of a step of adding calcium chloride to the for-treatment water and a step of immersing an iron material in the for-treatment water.

Waste water treating method, waste water treating apparatus, and waste water treating system

A waste treatment system permitting treatment of organic wastes at low cost is provided. In the waste treatment system, organic wastes such as sewage, garbage and sludge are introduced into a methane fermentation bath for anaerobic fermentation. The methane gas produced in the bath is refined in a gas holder and then supplied to an electric generator, where the methane gas is used as a raw material for power generation. Digested liquid within the methane fermentation bath is supplied to an electrolytic bath via a flow adjustment bath and a fine screen. In the electrolytic bath, the digested liquid is subjected to electrolysis, by applying potentials to an electrode pair in the electrolytic bath based on the electric power obtained by the electric generator. By the electrolysis, nitrogen components including organic nitrogen and ammonia nitrogen, and BOD, SS and phosphorus components are removed from the digested liquid.

Waste treatment system for treatment of organic waste and digested liquid thereof

A heat carrier comprises a closed or looped heat pipe having a heat receiving section and a heat radiating section, and accommodating therein a heating medium such as carbon dioxide, which becomes a low-viscous supercritical fluid when it is heated. The supercritical fluid is circulated in the heat pipe by convection due to a density difference based on a temperature difference between the heat receiving section and the heat radiating section, thereby carrying heat from the heat receiving section to the heat radiating section.

Heat carrier

The absorber for use in absorption chillers of the present invention comprises a plurality of cooling water pipes,extending horizontally in the interior of the absorber chamber. A plurality of flat heat transfer plates,are spaced apart from one another and arranged horizontally in a vertical position, and the plurality of cooling water pipes,extend through these heat transfer plates,perpendicular thereto. The pitch Pd of the plates,is 3 to 15 mm. Each heat transfer plate,is integrally formed on its upper end face with an absorbent receptacle,V-shaped in cross section and extending longitudinally of the upper end face. The bottom portion of the receptacle,is formed with two rows of absorbent holes,positioned upwardly of respective surfaces of the plate,. The holes,of each row are spaced apart from one another longitudinally of the plate,and each have an outlet adjoining the surface of the plate,. This enables an absorber to have a higher absorbing capacity than conventional absorbers.

Absorber of absorption system refrigerator

In a double-effect absorption chiller wherein the vapor of a refrigerant produced by a high temperature generator is supplied to a low temperature generator,for condensation, and the refrigerant liquified by condensation is supplied to a condenser,, a pipe,for supplying the refrigerant liquified in the low temperature generator,to the condenser,therethrough is provided with an orifice,and a control valve,as pressure adjusting means. A control circuit,is connected to the control valve,to hold the valve,fully open during the period form the start-up of the chiller until the load is stabilized and thereafter gradually decrease the opening degree of the valve,. Alternatively, a control valve,is mounted on the pipe,for controlling the pressure of the refrigerant so that the concentration of the absorbent (intermediate solution) in the high temperature generator because equal to the average of the concentration of the absorbent (strong solution) in the low temperature generator,and the concentration of the absorbent (weak solution) in an absorber.

Absorption type refrigerating machine

In a heat exchanger according to the present invention, there are provided a filling container having a first containing section containing a hydrogen-absorbing metal material for middle or high temperature, a second containing section containing a hydrogen-absorbing metal material for low temperature which is higher in equilibrium hydrogen pressure at the same temperature than the hydrogen-absorbing metal material for middle or high temperature, and a hydrogen passage for moving hydrogen between the first containing section and the second containing section; a guiding section having a heating section provided with heating means for heating the filling container, a heat radiating section provided with a heat exchanging section for radiating heat generated in the filling container outward, and a heat absorbing section provided with a heat exchanging section for cooling the outside by absorption of heat in the filling container; and moving means for moving the filling container back and forth in the guiding section, moving the first containing section back and forth between the heat radiating section and the heating section, and moving the second containing section back and forth between the heat absorbing section and the heat radiating section.

Heat exchanger

This system utilizes three kinds of metal hydrides, MH1, MH2, and MH3, having the highest, an intermediate, and the lowest equilibrium hydrogen pressures, respectively, in the order mentioned, each kind of metal hydrides being enclosed in two sets of respective metal-hydride containers. While hydrogen flows from the metal hydride MH3 to the metal hydrides MH2 and MH1 in one set, hydrogen flows from the metal hydrides MH2 and MH1 metal hydride MH3 in other set such that the cold heat generated by hydrogen dissociation from the metal hydride MH2 in said other set is utilized to cool the metal hydride MH1 of said one set for efficient hydrogen absorption by the metal hydride MH1, and the cold heat generated by hydrogen dissociation from the metal hydride MH1 of said other set is provided for refrigeration. The two cycles operations are repeated interchangeablly between the two sets, enabling the system to maintain high operating hydrogen pressures associated with exothermic dissociation of hydrogen and allows continuous provision of cold heat for refrigeration at a temperature lower than conventional temperature.

Thermally driven refrigeration system utilizing metal hydrides

In order to make a thermal utilization system operable in a stable and efficient condition regardless the variation of the operating heat source used, the system is provided with three hydrogen absorbing alloys having different pressure-temperature characteristics, wherein absorption/desorption of hydrogen gas is performed in two steps, i.e. the hydrogen gas desorbed from a first alloy is absorbed by a second alloy at a predetermined pressure, and is absorbed by the third alloy at a higher pressure after it is desorbed from the second alloy in a case when the temperature of the operating heat source is low, while the hydrogen gas desorbed from the first alloy is directly transported from the first alloy to the third alloy to be absorbed there when the temperature of the operating heat source is high. Alternatively, two hydrogen absorbing alloys having different pressure-temperature characteristics are used in such a way that, when the temperature of the operating heat source is low, the hydrogen gas desorbed from the first alloy is pumped to the second alloy to be absorbed there, but the gas is directly transported from the first alloy to the second alloy to be absorbed there when the temperature of the operating heat source is high.

Thermal utilization system using hydrogen absorbing alloys

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Osaka, Japan

Naoki Hiro