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Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

Toyota Jidosha Kabushiki Kaisha Cataler Industrial Co. Ltd

Toyota Chuo Kenkyusho Kabushiki Kaisha

Shinji Matsuura

Hirohisa Tanaka

Shinichi Matsumoto

Takashi Ohta

Yoshiaki Fukushima

Akane Okada

Shinji Inagaki

Tetsuo Nagami

Isao Tan

Koji Yamada

Toru Tanaka

Kazuyuki Kuroda

Yasuo Takada

Yasunori Sato

Mari Yamamoto

Yoshitsugu Ogura

Kazuhiro Fukumoto

Yuji Sakakibara

Masahiko Ogai

Masakuni Ozawa

Hirofumi Shinjoh

Yutaka Ishikawa

Kouji Banno

Yukimura Yamada

Kiyotaka Hayashi

A catalytic converter for cleaning exhaust gas includes a heat-resistant support, and a catalytic coating formed on the heat-resistant support. The catalytic coating contains Pd-carrying particles of a cerium complex oxide, Pt & Rh-carrying particles of zirconium complex oxide, and particles of a heat-resistant inorganic oxide.

Catalytic converter for cleaning exhaust gas

An exhaust gas purifying catalyst is characterized in that at least one kind of catalyst metal is loaded on a layered porous silica or a layered porous silica-metal oxide. The exhaust gas purifying catalyst is used as an oxidation catalyst for purifying hydrocarbon and carbon monoxide, or a reduction catalyst for purifying nitrogen oxides (NO.sub.x), which is suitable for purifying exhaust gases in automobiles. An exhaust gas purifying apparatus includes the above exhaust gas purifying catalyst and an absorbent for trapping hydrocarbon components, in which aromatic HC such as trimethylbenzene and the like are effectively trapped.

Exhaust gas purifying catalyst

A catalyst for purification of exhaust gases comprising: a support substrate; an active alumina coating layer comprising at least one of nickel oxide and cobalt oxide formed on the surface of the support substrate; a composite oxide comprising cerium oxide and zirconium oxide formed in the active alumina coating layer; and noble metal catalyst ingredients comprising at least one of platinum, palladium and rhodium loaded on the active alumina coating layer. The catalyst offers a decreased hydrogen sulfide H.sub.2 S emission and conversion ratios for hydrocarbon (HC), carbon monoxide (CO), and nitrogen oxides (NOx) equivalent to or superior to those of conventional catalysts.

Catalyst for purification of exhaust gases

Growing community of inventors

Shizuoka, Japan

Shinji Matsuura