Sumitomo Chemical Company, Limited

Tamotsu Takamoto

Hiroshi Ueda

Shingo Yamauchi

A multi-tubular reactor () comprising a cylindrical shell (), a plurality of reaction tubes () located in the shell, and a disk-and-doughnut type baffle (), wherein

Multi-tubular reactor and multi-tubular reactor design and fabrication method

A process of aldol condensation of an active hydrogen-containing compound by a gas-phase reaction by feeding a gaseous active hydrogen-containing compound to a reactor provided with a fixed bed solid catalyst, which process is characterized in that an indirect heat transfer type, non-isothermal reactor is used to perform the aldol condensation efficiently in a commercial scale.

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Niihama, Japan

Tamotsu Takamoto