Mitsubishi Heavy Industries Limited

Mitsubishi Hitachi Power Systems, Ltd.

Mitsubishi Heavy Industries Engineering, Ltd.

Mitsubishi Power, Ltd.

Mitsubishi Heavy Industries Power Environmental Solutions, Ltd.

Mitsubishi Power Systems, Ltd.

Nobuyuki Ukai

Susumu Okino

Tatsuto Nagayasu

Seiji Kagawa

Moritoshi Murakami

Hideo Suzuki

Toshihiro Fukuda

Naoyuki Kamiyama

Hiroshi Nakashoji

Shigeru Yoshioka

Hideaki Sakurai

Masayuki Eda

Ryuji Yoshiyama

Jun Satou

Rikuma Shijo

Nobuyasu Sakata

Shintaro Honjo

Kazuhiro Kawai

Akira Noma

Toshihiro Sato

Takuya Okamoto

Katsumi Nochi

Masashi Kiyosawa

Yoshio Seiki

Atsuhiro Yukumoto

Kiyonori Kushioka

Yasumichi Aoki

Ryo Kamito

Naoki Ogawa

Shinji Nakamura

Noriaki Senba

Satoru Sugita

Yoshito Tanaka

Shinichi Okamoto

Yosuke Nakagawa

Takashi Yoshimoto

Yoshihiro Deguchi

Keiichi Nakagawa

Kazuhisa Takeuchi

Ryosuke Uehara

Tetsu Ushiku

Masaru Chiyomaru

Keiji Fujikawa

Yoshio Nakayama

Hyota Abe

Taketoshi Yamaura

Michio Nishiyama

Koichiro Hirayama

Takuro Soeda

Shigehiro Sugiyama

Yuuji Nakajima

Haruka Adachi

Tomomi Komatsu

Kouetsu Shizukuishi

Takashi Ike

Shoko Nagae

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

Waste treatment system and waste treatment method

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.

An apparatus is disclosed including a desulfurization device which removes sulfur oxides contained in boiler flue gas, a spray drying device which sprays desulfurization waste water discharged from the desulfurization device and which dries the waste water by introducing a drying gas, a flue gas supplying line Lwhich returns, to a main flue L, flue gas obtained after the desulfurization waste water is evaporated and dried, an alkaline agent supplying unit which adds an alkaline agent to a desulfurization waste water line L, and a pH meter which measures the pH in the desulfurization waste water at locations before and after the alkaline agent supplying unit in the desulfurization waste water line L, wherein the alkaline agent is added in accordance with a measurement result of a measured pH to cause the desulfurization waste water added with the alkaline agent to have a pH fall within a predetermined pH.

Non-waste water flue gas treatment system and non-waste water flue gas treatment method

An alcohol production system that produces alcohol by alcoholic fermentation using a saccharide solution, including an alcoholic fermentation vessel in which the saccharide solution is fermented by adding yeast to produce alcohol, which is an organic feedstock, and a biomass-hydrothermally-treated-product adding means that adds a biomass hydrothermally-treated product obtained by hydrothermally treating a biomass feedstock to the alcoholic fermentation vessel. The alcohol production system can improve alcoholic fermentation efficiency and realize cost reduction without adding only a mineral salt from outside.

Fermentation system and fermentation method using saccharide solution

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 reverse osmosis membrane apparatusincluding an RO membranethat yields recycled waterand concentrated waterfrom pre-treated raw water (inflow water), salts being removed in the recycled water and salts being concentrated in industrial park waste water; monitoring apparatusesA andB disposed at an inflow water line Lthrough which the inflow waterflows into the reverse osmosis membrane apparatusor a concentrated water line Lthrough which the concentrated waterflows out from the reverse osmosis membrane apparatus, which monitor the presence of chemical fouling causal substances in the inflow wateror the concentrated water; and a chemical supply section, which is a removal apparatus that removes the chemical fouling causal substances from the inflow wateron the front upstream side of the inflow into the reverse osmosis membrane apparatus, upon the presence of chemical fouling causal substances in the inflow wateror the concentrated waterbeing confirmed. Thus, the chemical fouling preventing system removes chemical fouling causal substance from inflow waterbefore it enters the reverse osmosis membrane apparatus

System and method to prevent chemical fouling on reverse osmosis 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

Provided are a water treatment system and a water treatment process, which are capable of reproducing water containing salts with high water recovery. In the water treatment system () and the water treatment process of the present invention, after a calcium scale inhibitor and a silica scale inhibitor are supplied to water to be treated containing Ca ions, SOions, carbonate ions, and silica, and the water to be treated is separated in a second demineralizing section () into second concentrated water in which the Ca ions, the SOions, the carbonate ions, and the silica are concentrated and treated water. In a second crystallizing section (), seed crystals of gypsum are supplied to the second concentrated water, whereby gypsum is crystallized and removed from the second concentrated water.

Provided are a water treatment system and a water treatment process, which are capable of reproducing water containing salts with high water recovery. A water treatment systemcomprises a second demineralizing sectionthat separates water to be treated containing Ca ions, SOions and carbonate ions into concentrated water in which the Ca ions and the SOions are concentrated and treated water; a crystallizing section which is positioned on a downstream side of the second demineralizing sectionand which includes a second crystallizing tankthat crystallizes gypsum from the concentrated water and a seed crystal supplying section that supplies seed crystals of gypsum to the second crystallizing tank; and a separating section that is positioned on a downstream side of the crystallizing section and separates the gypsum from the concentrated water.

In a water treatment system () and a water treatment process, a scale inhibitor is supplied to water to be treated containing Ca ions, SOions, carbonate ions, and silica, and the water to be treated is adjusted to a pH at which silica is soluble. The pH-adjusted water to be treated containing the calcium scale inhibitor is separated in a demineralizing section () into concentrated water and treated water. In a crystallizing section (), seed crystals of gypsum are supplied to the concentrated water, whereby gypsum is crystallized and removed. Silica in the water to be treated is removed from the concentrated water on the downstream side of the crystallizing section (). Calcium carbonate in the water to be treated is removed from the concentrated water on the upstream side of the demineralizing section () or the downstream side of the crystallizing section ().

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Tokyo, Japan

Nobuyuki Ukai