B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 19/12 (2006.01) B01J 19/00 (2006.01) B01J 23/44 (2006.01) B01J 23/46 (2006.01) B01J 23/755 (2006.01) C01B 15/023 (2006.01) C07C 37/07 (2006.01) C07C 46/00 (2006.01) C07C 50/18 (2006.01)
Patent
CA 2377214
The invention relates to a method of hydrogenating alkyl anthraquinones and/or alkyl hydroanthraquinones to alkyl anthrahydroquinones and/or alkyl hydroanthrahydro-quinones, wherein the reaction is carried out in the presence of a catalyst under electromagnetic irradiation. Additionally the invention relates to a method of hydro-genating a working solution in a hydrogen peroxide production process, said working solution containing alkyl anthraquinones and/or alkyl hydroanthraquinones dissolved in at least one solvent, to convert said quinones to corresponding alkyl anthrahydroquinones and/or alkyl hydroanthrahydroquinones, wherein the reaction is carried out in the presence of a catalyst under electromagnetic irradiation.
La présente invention a pour objet une méthode d'hydrogénation d'alkylanthraquinones et/ou d'alkylhydroanthraquinones pour les transformer en alkylanthrahydroquinones et/ou en alkylhydroanthrahydroquinones, la réaction s'effectuant en présence d'un catalyseur sous rayonnement électromagnétique. De plus, l'invention a pour objet une méthode d'hydrogénation d'une solution de travail grâce à procédé de production de peroxyde d'hydrogène, ladite solution de travail contenant des alkylanthraquinones et/ou des alkylhydroanthraquinones dissoutes dans au moins un solvant, pour convertir lesdites quinones en leurs alkylanthrahydroquinones et/ou leurs alkylhydroanthrahydroquinones correspondantes, cette réaction étant réalisée en présence d'un catalyseur sous rayonnement électromagnétique.
Aksela Reijo
Paloniemi Juhani
Borden Ladner Gervais Llp
Kemira Chemicals Oy
Kemira Oyj
LandOfFree
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