An improved process for the production of oximes
The present invention provides an improved process for the continuous production of an essentially pure oxime, wherein the oxime is formed by reacting hydroxylamine with an aldehyde or a ketone, wherein the hydroxylamine is formed in an aqueous phosphate-containing acidic solution by hydrogenation o...
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| creator | RIESTHUIS, THEODORUS FRIEDERICH MARIA OLZHEIM, DANIEL JULIUS MARIA MARIMAN, MICHIEL |
| description | The present invention provides an improved process for the continuous production of an essentially pure oxime, wherein the oxime is formed by reacting hydroxylamine with an aldehyde or a ketone, wherein the hydroxylamine is formed in an aqueous phosphate-containing acidic solution by hydrogenation of nitrate ions or nitrogen oxides in the presence of titanium ions at a concentration of 0.05 to 25 mg/kg of said aqueous phosphate-containing acidic solution, and in the presence of a hydrogenation catalyst; an essentially pure cyclohexanone oxime obtainable therefrom; and a chemical plant for the continuous production of an essentially pure oxime. |
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| language | chi ; eng |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NON-METALLIC ELEMENTS ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | An improved process for the production of oximes |
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