Mitsubishi Heavy Industries Engineering, Ltd.

Mitsubishi Heavy Industries Limited

Ebara Corporation

Meiji Co., Ltd.

Kaori Yoshida

Rikio Kan

Seiji Kakesako

Norio Kimura

Masamichi Nakashiba

Isamu Watanabe

Masanao Yonemura

Toshinobu Yasutake

Ayumu Yamazaki

Koji Higashino

Koji Nakayama

Yoshio Seiki

Moritoshi Murakami

Shuji Fujii

Kiyotaka Kunimune

Naoya Matsumoto

Hiroshi Tanaka

Yukio Tanaka

Hozumi Yasuda

Takuya Hirata

Satoshi Yamamoto

Itsuki Kobata

Katsumi Nochi

Mitsuhiko Shirakashi

Masayuki Uchida

Haruaki Hirayama

Ikutaro Noji

Makoto Susaki

Masayuki Kumekawa

Masaki Yushima

Akihiro Sawata

Takahiko Endo

Hyota Abe

Keiko Morikubo

Tomofumi Amano

Hirotsugu Uehara

Hajime Ariga

Shigeru Yamato

So Komada

A hydrogen supply system includes: a hydrogen production device; a hydrogen flow line through which hydrogen produced by the hydrogen production devices circulated; a buffer tank that is provided in the hydrogen flow line on the downstream side of the hydrogen production device; a compressor that is provided in the hydrogen flow line on a downstream side of the buffer tank; a bypass line that bypasses a portion of the hydrogen flow line and has a downstream-side end portion communicating with the hydrogen flow line on the downstream side of the buffer tank; and a storage tank that is provided in the bypass line and is capable of storing the hydrogen.

Hydrogen supply system, hydrogen-consuming plant provided with hydrogen supply system, and method for supplying hydrogen to hydrogen-consuming unit

A method of attaching/detaching a catalytic unit according to an embodiment is a method of attaching/detaching a catalytic unit accommodated in a reactor housing of a catalytic reactor, including a step of passing the catalytic unit through a gas inlet formed at a top portion of the reactor housing to attach or detach the catalytic unit to or from the reactor housing having a cylindrical shape extending in a vertical direction and configured such that a gas having a gauge pressure of 0.2 Mpa or more is introduced thereto.

Method of attaching/detaching catalytic unit and catalytic reactor

A gasification gas treatment facility for treating a gasification gas obtained by gasification of a fuel includes: a first heat exchanger for performing heat exchange between a purified gas obtained by removing at least ammonia and hydrogen chloride from the gasification gas and steam at a saturation temperature; a second heat exchanger for performing heat exchange between the gasification gas and at least condensed water produced by the heat exchange in the first heat exchanger to produce the steam at the saturation temperature; and a circulation system for circulating a circulating fluid including at least one of the steam or the condensed water between the first heat exchanger and the second heat exchanger. The circulation system is configured to supply the circulating fluid including at least the condensed water at the saturation temperature produced in the first heat exchanger to the second heat exchanger.

Gasification gas treatment facility and gasification gas treatment method

A hydrocarbon recovery facility includes: a washing column configured to bring a gas and water into contact to deposit a hydrocarbon contained in the gas into the water; an automatic strainer for continuously removing the hydrocarbon together with part of the water from the water mixed with the hydrocarbon; an oil-water mixing drum for mixing the water and the hydrocarbon removed by the automatic strainer with an organic solvent to prepare an oil-water mixture; and an oil-water separation drum for separating the oil-water mixture prepared in the oil-water mixing drum into an oil phase and a water phase.

Hydrocarbon recovery facility

A gas purification device includes: a converter packed with a catalyst for hydrolyzing both carbonyl sulfide and hydrogen cyanide; an upstream heat exchanger for heat exchange between a gas to be introduced into the converter and a cooling fluid for cooling the gas; a reaction-temperature estimation member for estimating a reaction temperature inside the converter; and a flow-rate adjustment member for adjusting a flow rate of the cooling fluid flowing into the upstream heat exchanger based on an estimated value of the reaction-temperature estimation member to control the reaction temperature.

Gas purification device

A tube leak detection device for detecting leak of at least one tube of a heat exchanger which increases a temperature of a liquid by heat exchange between the liquid flowing inside the at least one tube and a fluid flowing outside the at least one tube includes: an inlet opening-and-closing valve and an outlet opening-and-closing valve disposed at an inlet end and an outlet end of the at least one tube, respectively; and a pressure detection member for detecting a pressure inside the at least one tube between the inlet opening-and-closing valve and the outlet opening-and-closing valve.

Tube leak detection device and tube leak detection method

A catalyst for COS hydrolysis includes titanium dioxide and a barium compound supported on the titanium dioxide. The catalyst, when expressing Ba and S in the catalyst in terms of BaO and SO, respectively, has a molar ratio of SOto BaO of at least 1. The catalyst converts COS and HO in a raw material gas to COand HS.

Catalyst for hydrolysis of carbonyl sulfide and method of producing same

A gas purification device removes a part of ammonia contained in a first gas; recovers a first off-gas containing the removed ammonia, removes hydrogen sulfide and ammonia from a second gas produced by removing the part of ammonia, recovers a second off-gas containing the removed hydrogen sulfide and ammonia, and combusts the first off-gas and the second off-gas. The gas purification device includes: a first combustion chamber in which combustion is performed in a reducing atmosphere; a second combustion chamber in which combustion is performed in a reducing atmosphere downstream of the first combustion chamber; and a third combustion chamber in which combustion is performed in an oxidizing atmosphere downstream of the second combustion chamber. The first off-gas flows into the first combustion chamber and the second off-gas flows into the third combustion chamber.

A catalytic reactor according to an embodiment includes a catalytic unit including at least one catalyst having a honeycomb structure in which a plurality of passages extending in an axial direction are formed, a reactor housing accommodating the catalytic unit, and a seal plate sealing between an outer periphery of the catalytic unit and an inner periphery of the reactor housing. The seal plate seals between the outer periphery of the catalytic unit and the inner periphery of the reactor housing at an upstream end portion of the catalytic unit with respect to a flow of a fluid flowing in the reactor housing.

Catalytic reactor

A gas combustion treatment device that subjects an ammonia-containing gas, a hydrogen cyanide-containing gas, and a hydrogen sulfide-containing gas to combustion treatment includes: a first combustion unit configured to introduce therein fuel, the ammonia-containing gas, the hydrogen cyanide-containing gas, and air and burn and reduce the fuel and the gases at an air ratio lower than 1; a second combustion unit provided downstream of the first combustion unit and configured to burn and reduce, in a reducing atmosphere, nitrogen oxide in a first combustion gas sent from the first combustion unit; and a third combustion unit provided downstream of the second combustion unit and configured to introduce therein hydrogen sulfide-containing gas with air in addition to a second combustion gas sent from the second combustion unit.

Gas combustion treatment device, combustion treatment method, and gas purification system including gas combustion treatment device

An exhaust gas cooler includes: a steam drum containing first water; an economizer for heat exchange between exhaust gas and the first water supplied from the steam drum; and a feedwater pipe for supplying the first water with second water having a lower temperature than the first water. The exhaust gas cooler is configured such that the first water flowing out of the economizer is introduced into the steam drum. The second water is divided and supplied to the first water flowing out of the economizer and the first water flowing into the economizer.

Exhaust gas cooler

An acid gas regenerator includes a regenerator condenser that condenses moisture from entraining gas entraining a corrosive substance and acid gas discharged from a column top portion of a regenerator that regenerates acid gas absorbent. The regenerator condenser includes: a gas discharge line that discharges the entraining gas from the column top portion of the regenerator, a cooler installed on the discharge line; a gas-liquid separator that separates COgas from regenerator condensed water obtained by condensing vapor using the cooler, a reflux line that refluxes the regenerator condensed water closer to the column top portion than the rich solution introducing unit; a condensed water receiver storing the condensed water introduced by the reflux line; and a first condensed water extraction line that extracts the condensed water from a condensed water extractor of the condensed water receiver and is connected to a lean solution supply line.

Acid gas removal device and acid gas removal method

A CO shift catalyst according to the present invention reforms carbon monoxide (CO) in gas. The CO shift catalyst has one of molybdenum (Mo) or iron (Fe) as a main component and has an active ingredient having one of nickel (Ni) or ruthenium (Ru) as an accessory component and one or two or more kinds of oxides from among titanium (Ti), zirconium (Zr), and cerium (Ce) for supporting the active ingredient as a support. The temperature at the time of manufacturing and firing the catalyst is equal to or higher than 550&#xb0; C.

CO shift catalyst, CO shift reaction apparatus, and method for purifying gasified gas

A gas clean-up unit includes a first conversion unit configured to perform a first conversion process of converting hydrogen cyanide contained in gas to be treated to ammonia, in presence of a first catalyst and at a first predetermined temperature; a second conversion unit configured to perform a second conversion process of converting carbonyl sulfide in the gas that has been subjected to the first conversion process to hydrogen sulfide, in presence of a second catalyst and at a second predetermined temperature lower than the first predetermined temperature; a cleaning unit configured to perform a cleaning process of bringing the gas into gas-liquid contact with cleaning liquid to remove the ammonia by cleaning; and a desulfurization unit configured to absorb and remove hydrogen sulfide in the gas by bringing the gas that has been subjected to the cleaning process into gas-liquid contact with absorbent.

Gas clean-up unit and gas purification method

Provided are a catalyst for hydrolysis and use of a titanium dioxide-based composition which are capable of removing COS and HCN simultaneously at high degradation percentages. The catalyst for hydrolysis is a catalyst for hydrolysis of carbonyl sulfide and hydrogen cyanide, having at least: an active component containing, as a main component, at least one metal selected from the group consisting of barium, nickel, ruthenium, cobalt, and molybdenum; and a titanium dioxide-based support supporting the active component.

Growing community of inventors

Tokyo, Japan

Kaori Yoshida