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公开(公告)号：DE69712811D1
公开(公告)日：2002-07-04
申请号：DE69712811
申请日：1997-02-13
Applicant: KAO CORP
Inventor： KADONO YASUO , HATTORI YASUYUKI , HORIO MASAMITSU , NAKAMURA FUMIHIKO
IPC: B01J23/00 , B01J23/745 , B01J23/80 , C07C29/149
Abstract: The present invention provides a hydrogenation catalyst precursor which does not bring about a problem of environmental pollution involved in copper-chromium catalysts and has a high activity, a high durability and a high selectivity as compared with those of conventional copper-iron-aluminum catalysts, a hydrogenation catalyst obtained by reducing the same, and a production process for alcohols using the above hydrogenation catalyst. The hydrogenation catalyst precursor described above comprises copper, iron and aluminum and containing as a principal component a compound oxide of copper, iron and aluminum in which an atomic ratio Cu : Fe : Al is 1 : (0.02 to 0.4) : (1.0 to 4.0) and which has a copper-aluminum spinel structure.
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公开(公告)号：CA2039899A1
公开(公告)日：1991-10-07
申请号：CA2039899
申请日：1991-04-05
Applicant: KAO CORP
Inventor： ICHIKAWA HIROAKI , KADONO YASUO , KOJIMA KATSUO , NAKAMURA HIROYUKI , AOKI YOSHIO
Abstract: A magnetic metal powder, having a large specific surface are, a high coersive force, a high dispersibility and an excellent corrosion resistance, is produced by converting an aciculate goethite having a silicon and/or aluminum compound layer formed thereon or an aciculate goethite modified with a metal other than iron into magnetite, forming thereon a nonferrous transition metal compound layer, further forming thereon a silicon or aluminum compound layer, and reducing the coated magnetite to prepare a magnetic metal powder mainly composed of iron and having on the surface thereof a layer containing a nonferrous transition metal element, characterized in that the formation of the silicon and/or aluminum compound layer on the aciculate goethite and/or the formation of the nonferrous transition metal layer on the magnetite are conducted while conducting dispersion by means of a disperser.
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公开(公告)号：DE69712811T2
公开(公告)日：2002-11-07
申请号：DE69712811
申请日：1997-02-13
Applicant: KAO CORP
Inventor： KADONO YASUO , HATTORI YASUYUKI , HORIO MASAMITSU , NAKAMURA FUMIHIKO
IPC: B01J23/00 , B01J23/745 , B01J23/80 , C07C29/149
Abstract: The present invention provides a hydrogenation catalyst precursor which does not bring about a problem of environmental pollution involved in copper-chromium catalysts and has a high activity, a high durability and a high selectivity as compared with those of conventional copper-iron-aluminum catalysts, a hydrogenation catalyst obtained by reducing the same, and a production process for alcohols using the above hydrogenation catalyst. The hydrogenation catalyst precursor described above comprises copper, iron and aluminum and containing as a principal component a compound oxide of copper, iron and aluminum in which an atomic ratio Cu : Fe : Al is 1 : (0.02 to 0.4) : (1.0 to 4.0) and which has a copper-aluminum spinel structure.
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公开(公告)号：ID15942A
公开(公告)日：1997-08-21
申请号：ID970429
申请日：1997-02-14
Applicant: KAO CORP
Inventor： KADONO YASUO , HATTORI YASUYUKI , HORIO MASAMITSU , NAKAMURA FUMIHIKO
IPC: B01J23/00 , B01J23/745 , B01J23/80 , C07C29/149 , B01J23/72
Abstract: The present invention provides a hydrogenation catalyst precursor which does not bring about a problem of environmental pollution involved in copper-chromium catalysts and has a high activity, a high durability and a high selectivity as compared with those of conventional copper-iron-aluminum catalysts, a hydrogenation catalyst obtained by reducing the same, and a production process for alcohols using the above hydrogenation catalyst. The hydrogenation catalyst precursor described above comprises copper, iron and aluminum and containing as a principal component a compound oxide of copper, iron and aluminum in which an atomic ratio Cu : Fe : Al is 1 : (0.02 to 0.4) : (1.0 to 4.0) and which has a copper-aluminum spinel structure.
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