Murata Manufacturing Co., Ltd.

Hideto Sato

Nario Sugahara

Kentaro Ishihara

Akihiro Takeuchi

Yoshinori Saito

Naoya Mori

Satoshi Kuretake

A hydrocarbon reforming catalyst that is used in production of a synthesis gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas includes a composite oxide having a perovskite structure, wherein the composite oxide has at least one crystal phase among a first crystal phase containing BaZrOas a main component and a second crystal phase containing BaCeOas a main component, and contains Rh.

Hydrocarbon reforming catalyst and hydrocarbon reforming device

An organic substance decomposition catalyst that contains a perovskite-type complex oxide denoted by a formula ABMO, where A includes Ba, B includes Zr, M represents Mn and Co, a composition ratio of Mn to Co is represented by Mn:Co=z1:z2, z=z1+z2, y+z=1.000, 0.100≤z1+z2≤0.200, 0.00<z1/(z1+z2)<0.75, and w represents a positive value satisfying electrical neutrality.

Organic substance decomposition catalyst and organic substance decomposition apparatus

An organic material decomposition catalyst that contains BaCOand a perovskite composite oxide represented by ABMO, wherein A contains Ba, B contains Zr, and M denotes Mn. A peak intensity I(BaCO(111)) of BaCO(111) of the BaCOand a peak intensity I(BaZrO(110)) of a perovskite composite oxide ABMO(110) of the perovskite composite oxide represented by ABMO, each determined by X-ray diffractometry of the organic material decomposition catalyst, have a ratio I(BaCO(111))/I(BaZrO(110)) in a range of 0.022 to 0.052. In another aspect, in the perovskite composite oxide represented by ABMO, 1.01≤x≤1.06, 0.1≤z≤0.125, and y+z=1 are satisfied, w denotes a positive value that satisfies electroneutrality, and the organic material decomposition catalyst has a specific surface area in the range of 12.3 to 16.9 m/g.

Organic material decomposition catalyst and organic material decomposition apparatus

An exhaust-gas purification catalyst that contains a perovskite-type composite oxide composed of at least Ba, Zr, Y, and Pd.

Exhaust-gas purification catalyst and exhaust-gas treatment apparatus

A hydrocarbon reforming catalyst for forming a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure, the complex oxide having at least a first crystal phase containing BaCeOas a primary component and also containing Ru.

Hydrocarbon reforming catalyst and hydrocarbon reforming apparatus

A hydrocarbon reforming catalyst for producing a synthesis gas containing hydrogen and carbon monoxide from a hydrocarbon-based gas, the hydrocarbon reforming catalyst containing a complex oxide having a perovskite structure including at least Ba, Zr, and Ru; and a hydrocarbon reforming apparatus that includes the hydrocarbon-reforming catalyst.

A catalyst for decomposing an organic substance, the catalyst having a body which has a plurality of pores and the body contains a perovskite-type composite oxide represented by ABMO, where the A contains at least one selected from Ba and Sr, the B contains Zr, the M is at least one selected from Mn, Co, Ni, and Fe, 1.001&#x2264;x&#x2264;1.1, 0.05&#x2264;z&#x2264;0.2, y+z=1, and w is a positive value that satisfies electrical neutrality. The average pore diameter of the plurality of pores is 49 nm to 260 nm and the pore volume of each of the plurality of pores is 0.08 cm/g to 0.37 cm/g.

Catalyst for organic substance decomposition and organic substance decomposing apparatus

A synthetic gas containing hydrogen and carbon monoxide is efficiently obtained by reacting a hydrocarbon feedstock gas with carbon dioxide under pressure, while suppressing carbon deposition. The pressure is preferably 3 atmospheres (0.304 MPa), and used is a carbon dioxide reforming catalyst that contains at least one alkaline earth metal carbonate a catalytic metal promoting the decomposition reaction of a hydrocarbon feedstock gas, at least one alkaline earth metal selected from the group consisting of Ca, Sr, and Ba, and a complex oxide containing at least one component selected from the group consisting of Ti, Al, Zr, Fe, W, and Mo, such as ATiO, AAlO, AZrO, AFeO, AWO, AWO, or AMoO, where A is at least one of Ca, Sr, and Ba.

Carbon dioxide reforming process

A catalyst for reforming a hydrocarbon gas using carbon dioxide and/or water vapor to react while restraining the deposition of carbon contains a NiO&#x2014;SrTiOsolid solution in which NiO is dissolved in SrTiO. The ratio of NiO in the NiO&#x2014;SrTiOsolid solution is preferably of 2.2 to 13.5 parts by mol relative to 100 parts by mol of SrTiO. A catalyst which can contain SrTiO, SrCO, and fine grains of Ni and/or NiO are also described. A method of manufacturing the same, and a method of manufacturing a synthesized gas.

Growing community of inventors

Nagaokakyo, Japan

Hideto Sato