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US 2024/0092709 A1Published application
Method for producing propylene
AssigneeSumitomo Chemical Company, Limited
InventorsTetsuo SUZUKI, Fumikazu YAMASHITA, Aika HASHIMOTO
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Abstract
A propylene production method includes: a reaction step of supplying a fresh raw material and a recycled raw material to a reactor to obtain a crude product; a gas-liquid separation step of separating the crude product into a gas phase and a liquid phase; a propylene recovery step of recovering propylene from the gas phase; and a recycling step of recovering the recycled raw material from the liquid phase.
Claims8
A propylene production method, comprising:
- a reaction step of supplying a fresh raw material containing ethanol and acetone and a recycled raw material containing acetone to a reactor so that the fresh raw material and the recycled raw material react to obtain a crude product;
- a gas-liquid separation step of separating the crude product into a gas phase containing propylene and a liquid phase containing acetone;
- a propylene recovery step of recovering propylene from the gas phase;
- and
- a recycling step of recovering the recycled raw material from the liquid phase.
2 more elements
Dependencies are inferred from the claim text.