B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/1.D, 260/607
B01J 37/28 (2006.01) C07C 209/16 (2006.01) C07C 209/60 (2006.01) C07C 211/10 (2006.01) C07C 211/13 (2006.01)
Patent
CA 2020993
ABSTRACT OF THE DISCLOSURE At least one of ammonia and ethylenediamine is reacted with monoethanolamine in the presence of a catalyst containing phosphoric acid or its condensate in order to prepare acyclic ethyleneamines, and the catalyst can be improved in performance and the life of the catalyst can be prolonged by feeding a phosphorus-containing material to a reaction system during the reaction. In addition, the catalyst having a deteriorated performance can be reacti- vated by adding the phosphorus-containing material to the catalyst.
Endoh Yumiko
Jimbo Takashi
Komiyama Tadashi
Kuboyama Hisaharu
Naganuma Yoshitaro
Endoh Yumiko
Jimbo Takashi
Komiyama Tadashi
Kuboyama Hisaharu
Mitsui Toatsu Chemicals Inc.
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