Process for production of aliphatic aldehyde-acid and/or aliphatic dicarboxylic acid and catalyst for the production
AssigneeMitsubishi Chemical Corporation
InventorsMasaru Fujii, Tohru Setoyama
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Abstract
A process of producing an aliphatic aldehyde-acid (e.g., adipaldehyde-acid) and/or an aliphatic dicarboxylic acid (e.g., adipic acid) comprising oxidizing a cyclic ketone (e.g., cyclohexanone) with molecular oxygen in the presence of a fixed catalyst which comprises a composite of a carrier and at least one metal element belonging to the groups 4 to 11 of the Periodic Table supported on the carrier and has an acid amount of 0.06 mmol/g or more per unit weight of the carrier.
Claims31
A process for producing an aliphatic aldehyde-acid and/or aliphatic dicarboxylic acids comprising:
- oxidizing a cyclic ketone with molecular oxygen in the presence of a fixed bed catalyst, wherein said catalyst comprises a carrier selected from the group consisting of a clay and a metal oxide and at least one metal belonging to Groups 4-11 of the Periodic Table, said metal being supported on said carrier, wherein said catalyst has an acid amount of at least 0.06 mmol/g per unit weight of said carrier.
A process for producing e-caprolactam comprising:
- oxidizing cyclohexanone with molecular oxygen in the presence of a fixed catalyst, said catalyst comprising a composite of a carrier and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on the carrier, said catalyst having an acid amount of 0.06 mmol/g or more per unit weight of said carrier to produce an oxidation product containing adipaldehyde-acid;
- reacting the adipaldehyde-acid recovered from the oxidation product with ammonia and hydrogen in the presence of a hydrogenating catalyst to produce 6-aminocaproic acid;
- and
- heating the 6-aminocaproic acid to cause cyclization of the 6-aminocaproic acid into e-caprolactam.
A process of producing an aliphatic aldehyde-acid and/or an aliphatic dicarboxylic acid comprising:
- oxidizing a cyclic ketone with molecular oxygen in the presence of a fixed catalyst, wherein said fixed catalyst comprises a composite of a carrier and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on said carrier, said composite includes elements constituting a skeleton of said zeolite, the molar ratio of said elements is 8 or greater after supporting the metal element, where a proportion of the elements is represented by the formula 2T/M, wherein T is at least one element selected from the group consisting of silicon, germanium and tin, and M is at least one element selected from the group consisting of aluminum, gallium, indium and boron.
A process of producing an aliphatic aldehyde-acid and/or an aliphatic dicarboxylic acid comprising:
- oxidizing a cyclic ketone with molecular oxygen in the presence of a fixed catalyst, wherein said fixed catalyst comprises a composite of zeolite and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on said zeolite, said zeolite includes elements constituting a skeleton of said zeolite, the molar ratio of said elements is 9 or greater before supporting the metal element, where a proportion of the elements is represented by the formula 2T/M, wherein T is at least one element selected from the group consisting of silicon, germanium and tin, and M is at least one element selected from the group consisting of aluminum, gallium, indium and boron.
A fixed catalyst for producing an aliphatic aldehyde-acid and/or an aliphatic dicarboxylic acid, comprising a FAU type zeolite and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on said FAU type zeolite, said catalyst having an acid amount of 0.06 mmol/g or more per unit weight of said FAU type zeolite.
A fixed catalyst for producing an aliphatic aldehyde-acid and/or an aliphatic dicarboxylic acid comprising a composite of zeolite and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on said zeolite, wherein said composite includes elements constituting a skeleton of said zeolite, wherein the molar ratio of said elements is 8 or greater after supporting the metal element, where the proportion of elements is represented by 2T/M, wherein T is at least one element selected from the group consisting of silicon, germanium and tin, and M is at least one element selected from the group consisting of aluminum, gallium, indium and boron.
A fixed catalyst for producing an aliphatic aldehyde-acid and/or an aliphatic dicarboxylic acid comprising a composite of zeolite and at least one metal element belonging to Groups 4 to 11 of the Periodic Table supported on said zeolite, wherein said composite includes elements constituting a skeleton of said zeolite, wherein the molar ratio of said elements is 9 or greater before supporting the metal element, where the proportion of elements is represented by 2T/M, wherein T is at least one element selected from the group consisting of silicon, germanium and tin, and M is at least one element selected from the group consisting of aluminum, gallium, indium and boron.
Dependencies are inferred from the claim text.