Jfe Engineering Corporation

Nkk Corporation

Jfe Holdings, Inc.

Keiji Tomura

Yotaro Ohno

Shingo Takao

Takashi Ogawa

Tsutomu Shikada

Masatsugu Mizuguchi

Takao Kitagawa

Takeshi Tsuji

Masami Ono

Takeshi Furukawa

Kaoru Fujimoto

Keiichi Okuyama

Seiji Aoki

Takuya Kadowaki

Norio Inoue

Tohru Shiomitsu

Yasuhiko Manabe

Koji Fuchigami

Sadayoshi Iwabuchi

Aya Osato

Makoto Kunugi

Subramanian Iyer

An apparatus for production of a clathrate hydrate with enhanced latent heat storing capability includes a gas supplier for supplying a gas to an aqueous solution containing a quaternary ammonium compound, and a cooler for cooling the aqueous solution, the apparatus producing the clathrate hydrate with enhanced latent heat storing capability including both the quaternary ammonium compound and the gas as guests by supplying the gas to the aqueous solution with the gas supplier in the stage of cooling with the cooler.

Clathrate hydrate with latent heat storing capability, process for producing the same, and apparatus therefor, latent heat storing medium, and method of increasing amount of latent heat of clathrate hydrate and processing apparatus for increasing amount of latent heat of clathrate hydrate

It is possible to provide a heat storage substance, a heat storage agent, a heat transport medium, and a cold insulation agent having low corrosiveness and a high latent heat quantity at a low cost, their production method, and a cold reservoir and a cold insulator containing the heat storage substance as content. The heat storage substance is characterized by containing a tri-n-butylalkylammonium salt and water. The heat storage substance is characterized by containing either tri-n-butyl-n-pentylammonium bromide or tri-n-butyl-n-pentylammonium chloride and water. The heat storage agent is characterized by containing a tri-n-butylalkylammonium salt and water. The heat storage agent is characterized by containing either tri-n-butyl-n-pentylammonium bromide or tri-n-butyl-n-pentylammonium chloride and water. The heat transport medium is characterized by containing a tri-n-butylalkylammonium salt and water. The heat transport medium is characterized by containing either tri-n-butyl-n-pentylammonium bromide or tri-n-butyl-n-pentylammonium chloride and water.

Heat storage substance, heat storage agent, heat reservoir, heat transport medium, cold insulation agent, cold insulator, melting point control agent for heat storage agent and supercooling preventive agent for heat storage agent

An aqueous solution containing a quaternary ammonium salt as a guest compound of a clathrate hydrate, having a property of producing the clathrate hydrate when cooled, and further containing a phosphate of an alkali metal added thereto. A clathrate hydrate produced by cooling an aqueous solution containing a quaternary ammonium salt and a phosphate of an alkali metal, wherein the quaternary ammonium salt is the guest compound.

Clathrate hydrate containing quaternary ammonium salt as guest compound

(a) A medium oil wherein a main component is a hydrocarbon, and the number of paraffinic carbon atoms is 70% or more with respect to a total number of carbon atoms, (b) a medium oil wherein a main component is a polybutene, (c) a medium oil wherein a main component is a mixture of hydrocarbons of the formula (1):CH&#x2014;C(CH)&#x2014;[&#x2014;CH&#x2014;C(CH)&#x2014;]&#x2014;CH&#x2014;R &#x2003;&#x2003;(1)wherein R is &#x2014;CH(CH)or &#x2014;C(CH)&#x2550;CH, and n is 1 to 10, (d) a medium oil wherein a main component is a hydrocarbon prepared by a Fischer-Tropsch synthesis, or (e) a medium oil wherein a main component is a branched paraffinic hydrocarbon prepared by hydrogenolysis of a hydrocarbon prepared by a Fischer-Tropsch synthesis, and a process of producing dimethyl ether using the medium oil, are disclosed.

Medium oil for slurry-bed reaction process and process of producing dimethyl ether

This invention provides a catalyst for producing hydrogen gas from a mixed gas comprising dimethyl ether and water vapor or carbon dioxide gas, which comprises copper, iron, cobalt, palladium, iridium, platinum, rhodium, or nickel as an active component, and a method of producing synthesis gas or hydrogen gas in a high yield at a low temperature. By using the catalyst, a fuel cell, electricity generation, reduction of iron ore and the like can be carried out.

Catalyst for manufacturing hydrogen or synthesis gas and manufacturing method of hydrogen or synthesis gas

A method for depositing solid electrolyte layer includes the steps of depositing a solid electrolyte layer on an electrode substrate by an electrophoretic deposition process, firing the solid electrolyte layer at a temperature of 1,300.degree. C. or less, and depositing another electrolyte layer on the fired solid electrolyte layer by a CVD-EVD process. In accordance with the method, thin and sufficiently dense solid electrolyte layers which are suitable for solid electrolyte fuel cells can be easily produced.

Method for depositing solid electrolyte layer

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Tokyo, Japan

Keiji Tomura