Nippon Oil Company

Nippon Oil Corporation

Jx Nippon Oil Energy Corporation

The University of Tokyo

Eneos Corporation

Jxtg Nippon Oil & Energy Corporation

Nippon Mitsubishi Oil Company

Yoshihiro Kobori

Shinji Oshima

Kota Miyoshi

Shunsuke Maekawa

Kojiro Nakagawa

Yasushi Sato

Hitoshi Mazaki

Tetsuo Satoh

Tetsuya Takezono

Takuya Niitsuma

Yasushi Satoh

Yuki Yamamoto

Hitoshi Yuasa

Mitsuo Matsuno

Takehiro Toyooka

Hiroshi Nishihara

Akira Takagi

Hajime Hara

Shigeki Iida

Tomohiro Toya

Tetsu Yonezawa

Shin-ichi Komatsu

Yukio Kobayashi

Teruaki Yamanashi

Kazunori Miyazawa

Atsushi Segawa

Yoshiyuki Nagayasu

Yoshinori Yamanoi

An electrochemical reduction device includes an electrode unit, a power control unit, an organic material storage tank, a concentration measurement unit, a water storage tank, a gas-water separation unit, and a control unit. The electrode unit includes an electrolyte membrane, a reduction electrode, and an oxygen evolving electrode. The control unit controls the power control unit so as to satisfy a relation of V&#x2212;V&#x2264;V&#x2264;Vwhen the potential at a reversible hydrogen electrode, the standard redox potential of the aromatic compound, and the potential of the reduction electrode are expressed as V, V, and V, respectively. Vis adjusted according to the concentration of the aromatic compound measured by the concentration measurement unit.

Electrochemical reduction device and method for manufacturing hydride of aromatic compound

An electrochemical reduction device includes an electrode unit, a power control unit, a concentration measurement unit, and a control unit. The electrode unit includes an electrolyte membrane, a reduction electrode, and an oxygen evolving electrode. The control unit controls the power control unit such that a current value I flowing through the reduction electrode and the oxygen evolving electrode satisfies Equation, I&#x2264;Imax (C). In Equation, a maximum current value Imax (C) is defined according to a concentration C of an aromatic compound obtained by the concentration measurement unit such that Faraday efficiency is to be a predetermined value or more.

An electrochemical reduction device comprises an electrode unit including an electrolyte membrane, a reduction electrode, and an oxygen evolving electrode; a power control unit that applies a voltage Va between the reduction electrode and the oxygen evolving electrode; a hydrogen gas generation rate measurement unit that measures a hydrogen gas generation rate F1; and a control unit that controls the power control unit so as to gradually increase the Va within a range that satisfies a relationship of F1&#x2266;F0 and V&#x3e;V&#x2212;acceptable potential difference (APD), when the potential at a reversible hydrogen electrode is V, the potential of the reduction electrode is V, the acceptable upper limit of the hydrogen gas generation rate is F0, and the APD is a potential difference that defines an upper limit of a potential difference between Vand V.

Electrochemical reduction device and method for manufacturing hydride of aromatic hydrocarbon compound or nitrogen-containing heterocyclic aromatic compound

A hydrogen production process and a reactor for dehydrogenation in which it is possible to mix hydrogen with a raw material for a dehydrogenation reaction easily and simply and suppress a reduction in the performance of a dehydrogenation reaction catalyst when hydrogen is produced by combining the dehydrogenation reaction of organic hydrides or the like with a hydrogen separation membrane. A flow-type reactor for dehydrogenation of an organic compound includes a hydrogen separation membrane selectively permeable to hydrogen; and a dehydrogenation catalyst for promoting a dehydrogenation reaction of an organic compound which can release hydrogen upon the dehydrogenation reaction, including: a reaction side area through which the organic compound can flow and which includes the dehydrogenation catalyst and a permeation side area which is separated from the reaction side area by the hydrogen separation membrane and through which hydrogen that has passed through the hydrogen separation membrane can flow.

Reactor for dehydrogenation of organic compound, hydrogen production apparatus, and hydrogen production process

There are provided methods and apparatus allowing effective production of high purity hydrogen and recovery of carbon dioxide. There is disclosed a method of hydrogen production and carbon dioxide recovery for producing hydrogen and recovering carbon dioxide from a carbon-containing fuel, the method including a membrane separation reforming step of, with the use of a reformer provided with a hydrogen-permeable membrane, reforming the carbon-containing fuel and simultaneously separating hydrogen to obtain a hydrogen-permeable membrane permeated gas which is a gas having permeated the hydrogen-permeable membrane and a reformer off-gas which is a gas not having permeated the hydrogen-permeable membrane, and the method further comprising: with the use of a hydrogen separation membrane and a carbon dioxide separation membrane, treating the reformer off-gas to obtain a hydrogen-enriched gas and a carbon dioxide-enriched gas; or subjecting the reformer off-gas to a shift reaction and then separating the resulting gas into a carbon dioxide-enriched gas and a gas enriched in components other than carbon dioxide. Also disclosed is an apparatus for carrying out the method.

Method and apparatus for hydrogen production and carbon dioxide recovery

The hydrogen storage material of the invention is a hydrogen storage material comprising metal fine particles with hydrogen storage capacity, and an organic compound that has at least two specific groups that can bind with the metal fine particles, and that is bonded with the metal fine particles by the specific groups.

Hydrogen storage material

When the production of hydrogen and the recovery of carbon dioxide are simultaneously performed by using as a raw material a carbon-containing fuel, the increase of the system cost is suppressed and the efficiency is improved. Disclosed is a method for producing hydrogen and recovering carbon dioxide which method produces hydrogen from a carbon-containing fuel and recovers carbon dioxide, including: a hydrogen-containing gas producing step of obtaining a hydrogen-containing gas that contains hydrogen and carbon dioxide by reforming a carbon-containing fuel; a PSA step of separating, by using a pressure swing adsorption apparatus, the hydrogen-containing gas into a first hydrogen-enriched gas that is a gas enriched in hydrogen and a PSA offgas that is a gas enriched in the components other than hydrogen; and a step of obtaining, by treating the PSA offgas with a hydrogen separation membrane and a carbon dioxide separation membrane, a second hydrogen-enriched gas that is a gas enriched in hydrogen and a carbon dioxide-enriched gas that is a gas enriched in carbon dioxide. Also disclosed is an apparatus for embodying the method.

Method and apparatus for producing hydrogen and recovering carbon dioxide

A system is provided for desulfurizing a hydrocarbon fuel containing a light amount of methanol and a slight amount of water. The desulfurization system uses a Y-type zeolite-based desulfurizing agent containing at least copper arranged upstream of the system and an X-type zeolite-based desulfurizing agent containing at least silver arranged downstream of the system and thus can maintain desulfurization effect for a long period of time.

Desulfurization system for hydrocarbon fuel

A process is provided for producing a porous substance, which is lightweight, and has a highly developed pore structure and an excellent gas absorbability, by dehydrogenating a compound having two or more amine-borane adduct structures per molecule.

Porous substance and process for producing the same

Film for optical elements

A process is disclosed for producing an optical active alkoxybenzonitrile derivative in which process a benzonitrile derivative is subjected to condensation reaction with an optical active alcohol. A process is also disclosed for producing an optical active alkoxy benzoic acid derivative in which process a benzonitrile derivative is subjected to condensation reaction with an optical active alcohol and the reaction product thus derived is hydrolyzed. In these processes conversion of an optical active alcohol to tosylate or halide is not required and thus it is possible to produces producing an optical active alkoxybenzonitrile derivative and an optical active alkoxy benzoic acid derivative in a simple and inexpensive manner.

Process for producing an optically active compound

A compensating film capable of compensating both twist structure based on a liquid crystal cell and refractive index anisotropy to diminish the visual angle dependence of a liquid crystal display is provided. The film is formed using a discotic liquid crystalline material and the orientation form of the discotic liquid crystal is a twisted orientation.

Liquid crystalline optical film, compensating film for liquid crystal

A process for producing oxazolone derivatives, usable as important starting materials for medicines and pesticides, of the following general formula (III) by reacting a compound of the general formula (I) with a compound of the general formula (II) in the presence of an aliphatic tertiary amine: ##STR1## wherein Ar represents an aromatic hydrocarbon residue, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent a hydrogen atom, a halogen atom or an organic residue, R.sup.5 represents a hydrocarbon residue and X represents a halogen atom.

Process for producing oxazolone derivatives

A cholesteric liquid crystal polyester consisting essentially of the following structural units (A), (B), (C) and (D): ##STR1##

Cholesteric liquid crystal polyesters

According to the invention a derivative of brendane is provided. The derivative of brendane is represented by the general formula of: ##STR1## wherein R is a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms, and R.sup.1 to R.sup.3 each represent a hydrogen atom or a methyl group. The brendane derivative is prepared by reacting an alkenylnorbornene of the general formula of: ##STR2## wherein R.sup.1 to R.sup.3 each represent a hydrogen atom or a methyl group, with carbon monoxide and an alcohol or water in the presence of a catalyst of Group VIII metal compound of the periodic table.

Growing community of inventors

Yokohama, Japan

Yoshihiro Kobori