PRODUCTION OF KETONES
PURPOSE:To obtain a ketone such as acetone useful as a raw material or solvent in chemical industry at one stage readily, in high yield, industrially and advantageously, by reacting propylene, etc. with water by using a specific zeolite as a catalyst. CONSTITUTION:Propylene and/or normal butenes and...
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| creator | IWAMOTO MASAKAZU TAJIMA MASAHIRO KAGAWA SHIYUUICHI |
| description | PURPOSE:To obtain a ketone such as acetone useful as a raw material or solvent in chemical industry at one stage readily, in high yield, industrially and advantageously, by reacting propylene, etc. with water by using a specific zeolite as a catalyst. CONSTITUTION:Propylene and/or normal butenes and water are subjected to contact reaction in a gas phase by using Y type zeolite shown by the formula (a=1.0+ or -0.3; b=2.5-6.0) in a molar ratio of oxide in a state synthesized as it is in the feed ratio of H2O/C3H6(C4H8) of 0.1-10mol./mol. at 50-300 deg.C to give a ketone such as acetone industrially useful as a raw material for polymethyl methacrylate, etc. The Y type zeolite is a kind of synthetic faujasite and is readily obtainable since the Y type zeolite is mass produced as a catalyst for fluid catalytic cracking of hydrocarbon. US-Y obtained by ammonium substitution and then calcination under steam is usable. |
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CONSTITUTION:Propylene and/or normal butenes and water are subjected to contact reaction in a gas phase by using Y type zeolite shown by the formula (a=1.0+ or -0.3; b=2.5-6.0) in a molar ratio of oxide in a state synthesized as it is in the feed ratio of H2O/C3H6(C4H8) of 0.1-10mol./mol. at 50-300 deg.C to give a ketone such as acetone industrially useful as a raw material for polymethyl methacrylate, etc. The Y type zeolite is a kind of synthetic faujasite and is readily obtainable since the Y type zeolite is mass produced as a catalyst for fluid catalytic cracking of hydrocarbon. 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CONSTITUTION:Propylene and/or normal butenes and water are subjected to contact reaction in a gas phase by using Y type zeolite shown by the formula (a=1.0+ or -0.3; b=2.5-6.0) in a molar ratio of oxide in a state synthesized as it is in the feed ratio of H2O/C3H6(C4H8) of 0.1-10mol./mol. at 50-300 deg.C to give a ketone such as acetone industrially useful as a raw material for polymethyl methacrylate, etc. The Y type zeolite is a kind of synthetic faujasite and is readily obtainable since the Y type zeolite is mass produced as a catalyst for fluid catalytic cracking of hydrocarbon. US-Y obtained by ammonium substitution and then calcination under steam is usable.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PRODUCTION OF KETONES |
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