B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/75 (2006.01) B01J 23/889 (2006.01) B01J 35/02 (2006.01) B01J 37/08 (2006.01) C07C 1/04 (2006.01)
Patent
CA 2730503
A method is provided for preparing a supported cobalt-containing catalyst having substantially homogeneously dispersed, small cobalt crystallites. The method comprises depositing cobalt nitrate on a support and then subjecting the support to a two-step decomposition protocol. In the first step, the support is heated in an oxygen-containing, substantially water-free atmosphere to about 160°C to form an intermediate decomposition product. This intermediate product is then or hydrolyzed and reduced, or hydrolyzed, calcined and reduced.
L'invention porte sur un procédé pour la fabrication d'un catalyseur sur support, à base de cobalt et comportant de petites cristallites de cobalt dispersées de façon pratiquement homogène. Le procédé consiste à déposer du nitrate de cobalt sur un support puis à soumettre le support à une procédure de décomposition en deux étapes. Dans la première étape, le support est chauffé dans une atmosphère pratiquement exempte d'eau contenant de l'oxygène à environ 160 °C pour former un produit de décomposition intermédiaire. Ce produit intermédiaire est ensuite hydrolysé et réduit ou hydrolysé, calciné et réduit.
Baumgartner Joseph E.
Bielenberg Patricia A.
El-Malki El-Mekki
Kliewer Christine E.
Soled Stuart L.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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