ジアミンの気相ホスゲン化の際に気体反応混合物をクエンチする方法

Japanese Patent JP4486800

B2

Quenching of a gaseous mixture containing diisocyanates, phosgene and hydrogen chloride and obtained in the gaseous phosgenation of diamines to yield diisocyanates is effected by injecting a quenching fluid into gas flowing from a cylindrical reaction zone (1) into a cylindrical quench zone (5), the fluid being injected via 2 or more spray nozzles (4) arranged uniformly around the circumference of zone (5) at its entrance.

WO/2020/040048	COMPOSITION, PRODUCTION METHOD FOR COMPOSITION, AND PRODUCTION METHOD FOR UNSATURATED COMPOUND
WO/2002/094432	METHOD FOR CARRYING OUT THE DISTILLATION OR REACTIVE DISTILLATION OF A MIXTURE CONTAINING AT LEAST ONE TOXIC CONSTITUENT

Heiko Herold
Herbert Stutz
Hans-Joachim Blockhouse
Volker Michele

JP2003340037A

June 23, 2010

September 30, 2003

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Bayer Aktiengesellschaft

C07C263/20; C07C263/02; C07C263/10; C07C265/08; C07C265/14

JP7278089A
JP63280050A

Mitsuo Tanaka
Samejima Mutsumi
Genban Sanae

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