申请人:Haese Frank
公开号:US20070232833A1
公开(公告)日:2007-10-04
Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C in the presence of a copper-containing catalyst, wherein the catalytically active composition of the catalyst prior to reduction with hydrogen comprises
from 20 to 85% by weight of aluminum oxide (Al
2
O
3
), zirconium dioxide (ZrO
2
), titanium dioxide (TiO
2
) and/or silicon dioxide (SiO
2
), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO,
from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr
2
O
3
, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, and less than 30% by weight of oxygen-containing compounds of nickel, calculated as NiO, based on the oxygen-containing compounds of copper, calculated as CuO, and the reaction is carried out isothermally in the gas phase in a tube reactor.
使用含
铜催化剂,通过在60到300°C的温度范围内,在
氢气和从
氨、初级和次级胺组成的氮化合物中选择的条件下,通过将初级或次级醇、醛和/或酮与
氢气反应而制备胺的连续过程。在还原前,催化剂的催化活性组成包括20至85重量%的氧化铝(
Al2O3)、二
氧化锆(ZrO2)、
二氧化钛(TiO2)和/或
二氧化硅(SiO2),1至70重量%的含氧
铜化合物,按CuO计算,0至50重量%的含氧
镁化合物,按MgO计算,含氧
铬化合物,按
Cr2O3计算,含氧
锌化合物,按ZnO计算,含氧
钡化合物,按BaO计算,和/或含氧
钙化合物,按CaO计算,以及少于30重量%的含氧
镍化合物,按CuO计算,基于含氧
铜化合物,按CuO计算,反应在气相管式反应器中等温进行。