C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 263/20 (2006.01) C07C 209/62 (2006.01) C07C 263/10 (2006.01) C07C 263/18 (2006.01) C08G 18/50 (2006.01) C08G 65/26 (2006.01) C07C 211/51 (2006.01) C07C 265/14 (2006.01)
Patent
CA 2335068
The invention relates to a method for treating distillation residues from the synthesis of toluene diisocyanate by reacting the distillation residues with water. The invention is characterized in that the TDI distillation residues are reacted with water in a continuos or semi-continuos method in a back-mixed reactor in the presence of hydrolyzates.
L'invention concerne un procédé de traitement de résidus de distillation résultant de la synthèse de diisocyanate de toluylène, consistant à faire réagir lesdits résidus de distillation avec de l'eau et caractérisé en ce que l'on fait réagir les résidus de distillation résultant de la synthèse de diisocyanate de toluylène, selon un procédé continu ou semi-continu, dans un réacteur à remélangeage, en présence d'un hydrolysat, avec de l'eau.
Hantel Burghard
Leuthold Rene
Maurer Markus
Richter Siegfried
Sander Michael
Basf Aktiengesellschaft
Robic
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