Mitsubishi Heavy Industries Limited

Mitsubishi Jukogyo Kabushiki Kaisha

Mitsubishi Heavy Industries Engineering, Ltd.

Mitsubishi Hitachi Power Systems, Ltd.

Mitsubishi Power Environmental Solutions, Ltd.

Mitsubishi Heavy Industries Environment Engineering Co., Ltd.

Susumu Okino

Nobuyuki Ukai

Toru Takashina

Naohiko Ukawa

Shintaro Honjo

Atsushi Tatani

Tatsuto Nagayasu

Masayuki Eda

Masakazu Onizuka

Eiji Ochi

Seiji Kagawa

Kiyoshi Okazoe

Taku Shimizu

Hideo Suzuki

Naoyuki Kamiyama

Kazuaki Kimura

Hideaki Sakurai

Hiroshi Nakashoji

Shigeru Yoshioka

Tsuyoshi Oishi

Hiromitsu Nagayasu

Koichiro Iwashita

Naoharu Shinoda

Moritoshi Murakami

Hiroshi Tanaka

Takuya Hirata

Takashi Kamijo

Tatsuya Tsujiuchi

Kenji Inoue

Masayuki Inui

Ryuji Yoshiyama

Yasuhiro Takeuchi

Wataru Matsubara

Masao Hino

Seiji Yoshihara

Takashi Haruki

Takeo Shinoda

Masaki Yushima

Hiromi Nakatani

Kozo Iida

Yoshio Nakayama

Kenichi Okada

Hajime Nagano

Kazuo Ishida

Makoto Susaki

Masahiro Harada

Jun Satou

Ryo Kamito

Toshihiro Fukuda

Satoru Sugita

Keiji Fujikawa

Toyoshi Nakagawa

Shinichiro Kotake

Setsuo Omoto

Akira Noma

Kazuhiro Kawai

Koosoo Tao

Tsumoru Nakamura

Susumu Kono

Toshihiro Sato

Kazuto Kobayashi

Masaki Iijima

Takuya Okamoto

Satoshi Nakamura

Shinji Nakamura

Noriaki Senba

Naoki Ogawa

Masashi Yoshikawa

Yoshio Seiki

Shinichi Okamoto

Atsuhiro Yukumoto

Masanao Yonemura

Shigeru Nojima

Yosuke Nakagawa

Takashi Yoshimoto

Tetsuya Ikeda

Toshinobu Yasutake

Yoshihiro Deguchi

Keiichi Nakagawa

Yasutoshi Ueda

Tetsuya Imai

Shigeo Hasegawa

Yoshihiro Okamoto

Naohiko Ishibashi

Shinya Tachibana

Yasumichi Aoki

Masato Kaneko

Hiroyuki Nakamura

Hyota Abe

Manabu Oda

Yoshihiro Shiraishi

Tsuyoshi Ohishi

Kazuhide Kamimura

Taketoshi Yamaura

Kouichiro Iwashita

Morio Kagami

Shigehiro Sugiyama

Tamotsu Higuchi

A waste treatment system, includes: at least one reformer for hydrolyzing waste; a microbial reactor for microbially degrading a reformed material containing at least a solid of the waste hydrolyzed by the at least one reformer; a microbial reaction detection device for detecting a state of degradation of the reformed material in the microbial reactor; and an adjustment device for adjusting amount and timing of supply of the reformed material to the microbial reactor, based on a detected value of the microbial reaction detection device.

Waste treatment system and waste treatment method

A waste treatment systemfor performing a hydrothermal treatment of wastes includes a hydrothermal treatment devicefor performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facilityfor storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generatorfor generating the steam to be supplied to the hydrothermal treatment device. The heat recovery steam generatoris configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility

A method for removing selenium according to the present invention comprises: a valence change step of adding an oxidant to a wastewater from a facility that gasifies a fuel containing selenium in a reducing atmosphere, and oxidizing the selenium to change the valence of the selenium, and a solid-liquid separation step of adding a flocculant to the wastewater, forming a floc containing the selenium for which the valence has been changed in the valence change step, and subjecting the floc to solid-liquid separation.

Method for removing selenium and apparatus for removing selenium

SOremoval equipment for reducing sulfur oxides from flue gas from a boiler, a cooler which is provided on a downstream side of the SOremoval equipment for reducing the sulfur oxides that remain in the flue gas and for decreasing a gas temperature, COrecovery equipment which includes a COabsorber, and an absorption liquid regenerator, and mist generation material reduction equipment for reducing a mist generation material which is a generation source of mist that is generated in the COabsorber of the COrecovery equipment before introducing the flue gas to the COrecovery equipment are included.

Air pollution control system and method

A plant-monitoring system includes: at least three detection elements, the detection elements being at least one type of detection element for monitoring a subject being monitored; a detection network configured by disposing the at least three detection elements in a plant; a storage unit that receives detection data from each of the detection elements to record the detection data as recorded data; and a processing computing unit. The processing computing unit receives the detection data from each of the detection elements, determines presence or absence of a fault by comparing the detection data with the recorded data, and in a case where occurrence of a fault is recognized, identifies a place of occurrence of the fault based on the detection data, and transmits the result of the place of occurrence of the fault to a predetermined incident response team.

Plant-monitoring system and monitoring method

A water treatment device is provided with a separation membrane device having a separation membrane for concentrating dissolved components and dispersed components from water to be treated and obtaining permeated water; a first deposit detecting unit provided in a non-permeated water branch line branched from a non-permeated water line for discharging non-permeated water in which dissolved components and dispersed components have been concentrated, using part of the non-permeated water that has branched off as a detection liquid, and having a first separation membrane for detection in which the detection liquid is separated into permeated water for detection and non-permeated water for detection; and first flow rate measuring devices for separated liquid for detection that measure the flow rates of one or both of the permeated water for detection and the non-permeated water for detection separated by the first separation membrane for detection.

Water treatment device and operating method for water treatment device

A scale detection device of a concentrating device comprises: a reverse osmosis membrane devicethat is a concentrating device including a reverse osmosis membrane, which is a filtering membrane for concentrating salt in a water to be treated, containing at least calcium sulfate to obtain reclaimed water; and a scale detection unitdisposed in a branched line Lbranched from a concentrated water line Ldischarging concentrated waterhaving a high concentration of salt, the scale detection unit further concentrating the salt in the concentrated waterto obtain reclaimed water for detection, and including a detection membranedetecting the absence or presence of scale component deposition in the concentrated water

Scale detection device and method for concentrating device, and water reclamation processing treatment system

The water treatment system includes: an aluminate ion addition part for adding an aluminate ion additive to water to be treated containing at least salt content and silica; a first precipitation part provided on the downstream side of the aluminate ion addition part; a first pH adjustment part provided on the downstream side of the first precipitation part; a first solid/liquid separation part for separating the solid content in the water to be treated; a second pH adjustment part for adjusting the pH of the water to be treated from the first solid/liquid separation part to a second pH level; and a first separation membrane (desalination treatment) apparatus provided on the downstream side of the second pH adjustment part so as to separate the water to be treated into first permeated water and first non-permeated water by removing the salt content in the water to be treated.

Water treatment system and power generation facility

A natural-gas purification apparatus includes: a compressor that adjusts the pressure of natural gas; a cooling unit that liquefies and separates a part of natural-gas liquid by cooling the natural gas after the pressure adjustment by the compressor; a heating unit that heats the natural gas after the separation of the part of the natural-gas liquid by the cooling unit; carbon-dioxide separation units that are arranged in series and separate carbon dioxide from the natural gas heated by the heating unit through carbon-dioxide separation membranes; and a thermostatic chamber that adjusts the temperature of at least the carbon-dioxide separation unit disposed at the most downstream side among the carbon-dioxide separation units.

Natural-gas purification apparatus

A natural-gas purification apparatus includes: a plurality of carbon-dioxide separation units that are arranged in series and separate carbon dioxide, through carbon-dioxide separation membranes, from natural gas pressurized by a compressor, cooled by a cooling unit to liquefy and separate a high-boiling-point hydrocarbon component, and heated by a heating unit; a gas supply pipe that is provided between the plurality of carbon-dioxide separation units through on-off valves and that supplies the natural gas; a compressor that is provided to the gas supply pipe; a cooling unit that liquefies and separates a high-boiling-point hydrocarbon component by cooling the natural gas pressurized by this compressor; and a heating unit that heats the natural gas after the separation of the high-boiling-point hydrocarbon component by this cooling unit.

A natural-gas purification apparatus includes: a compressor that adjusts the pressure of natural gas from the ground; a cooling unit that liquefies and separates a part of natural-gas liquid by cooling the natural gas after the pressure adjustment by the compressor; a heating unit that heats the natural gas after the separation of the part; a carbon-dioxide separation unit that separates carbon dioxide from the natural gas heated by the heating unit; and an arithmetic control device that adjusts and controls at least one of the compressor, the cooling unit, and the heating unit to a value which has been set in advance according to the composition of the natural gas, such that the cooling unit will liquefy and separate the part of the natural-gas liquid in the natural gas and the carbon-dioxide separator maintains the remaining part of the natural-gas liquid in the natural gas in gaseous form.

A natural-gas purification apparatus includes: a compressor that adjusts the pressure of natural gas, and a separation device that separates natural-gas liquid and carbon dioxide from the natural gas after the pressure adjustment by the compressor through a natural-gas-liquid separation membrane and a carbon-dioxide separation membrane.

A water treatment system includes a first demineralizing section that separates water to be treated including Ca ions, SOions, and carbonate ions into concentrated water and treated water; a crystallizing section including a first crystallizing tankthat crystallizes gypsum from the concentrated water and a first seed crystal supplying sectionthat supplies seed crystals of gypsum to the first crystallizing tank; a first pH measuring sectionthat measures the pH of the first concentrated water in the first crystallizing tank; and a first controlling section that reduces the amount of the seed crystals of the gypsum to be supplied when the measured pH falls within a pH range in which a scale inhibition function of the calcium scale inhibitor is reduced, and increases the amount of the seed crystals of the gypsum to be supplied when the measured pH is beyond the pH range.

Water treatment process and water treatment system

A water treatment device () is provided with: a biological treatment tank () for storing a stored liquid (); a pump () for generating a circulating liquid flow formed of the stored liquid (); a gas-liquid two-phase flow generation device () for using the circulating liquid flow to suction a gas containing oxygen, whereby a gas-liquid two-phase flow in which the gas is dispersed in the circulating liquid flow is generated; and a nozzle () for injecting the gas-liquid two-phase flow into the biological treatment tank (). Such a water treatment device () is capable of adequately circulating the stored liquid () in the biological treatment tank (), adequately aerating the stored liquid (), and adequately treating the stored liquid ().

Water treatment device

A natural-gas purification apparatus includes: a compressor; a cooling unit that liquefies and separates a part of natural-gas liquid; a heating unit; first to third carbon-dioxide separation units that separate carbon dioxide through carbon-dioxide separation membranes; a detection carbon-dioxide separation unit that further separates carbon dioxide through a carbon-dioxide separation membrane; a carbon-dioxide-flow-rate sensor that detects the amount of carbon dioxide separated by the detection carbon-dioxide separation unit; an arithmetic control device that adjusts and controls at least one of the pressure to be applied by the compressor, the cooling temperature of the cooling unit, and the heating temperature of the heat unit based on information from the carbon-dioxide-flow-rate sensor such that the amount of carbon dioxide to be separated by the detection carbon-dioxide separation unit will be higher than or equal to a prescribed amount.

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Tokyo, Japan

Susumu Okino