Kabushiki Kaisha Kobe Seiko Sho

Kobe Steel, Ltd.

Katsunori Shimasaki

Satoru Sugita

Tetsuya Deguchi

Tetsuo Suzuki

Isao Kimura

Kei Utsunomiya

Kozo Saiki

Keita Yura

Yutaka Mito

Masakazu Yamamoto

Kichiro Kaji

Kazuya Soga

Mamoru Oaki

Hiroetu Miki

Eiichiro Makino

Michiko Masaki

Shigeru Haseba

Hidetsugu Habata

A method of producing coal briquette at a low energy cost by saving heating step or drying step for fine coal, which comprises adding and mixing from 1 to 10 mass parts of powdery starch to a coal having 15 mass % or more of water content and comprising 50 mass % or more of particles with grain size of 5 mm or less to form 100 mass parts of a mixture, and coating the surface of the briquette product with 0.1 to 5 mass parts of a heavy oil component simultaneously with or after pressure briquetting the mixture by a double roll briquetting machine in which concaves are formed on the roll surface, as well as coal briquette which is inexpensive and has high strength and high waterproof.

Coal briquette and production thereof

A process for producing silicon carbide whiskers by heating a react solid silicon-containing starting material and carbon-containing starting material in a reaction vessel, wherein a molding material, which is prepared by previously molding the silicon-cotaining starting material into a predetermined shape, and a powdery carbon starting material are heated to a predetermined reaction temperature under a hydrogen gas atmosphere. Silicon carbide whiskers which are linear with no bendings, long fiber length, high aspect ratio and low silicon dioxide impurity can be obtained at a high yield of greater than 90% based on silicon vaporized from the silicon-containing starting material.

Process for producing silicon carbide whiskers

A catalyst for catalytically reducing nitrogen oxides present in an exhaust gas in the presence of a reducing gas to convert said nitrogen oxides to harmless substances, which comprises a mixture consisting essentially of the oxides of V and Nb.

Catalyst for converting nitrogen oxides and method for converting

Growing community of inventors

Kobe, Japan

Katsunori Shimasaki