2020
DOI: 10.1021/acs.iecr.0c00473
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Amination Reaction of Cyclohexanol over a Commercial Ni-Based Catalyst, Part I: Influence of Operating Conditions

Abstract: Selective production of amines using non-noble-based catalysts is of crucial industrial importance. The amination of cyclohexanol (CHOL) was performed in a fixed-bed reactor, using NH3 as an aminating agent in the presence of H2, over a commercial Ni-based catalyst, yielding cyclohexylamine (CHA). Higher boiling-point byproducts or heavy ends (HEs) were also detected. Prior to reaction, the catalyst pretreatment temperature was optimized, because at high reduction temperatures, CHOL conversion and product yiel… Show more

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Cited by 8 publications
(13 citation statements)
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“…The mixed NH 3 and H 2 (Air Liquide, 50, 60, and 10 vol % of NH 3 ) flow rate was controlled by a thermal mass flow controller (±1 % accuracy; Brooks) while the liquid CHOL flow rate (Bondalti Chemicals' commercial grade, > 99.5 wt % purity) was measured using an HPLC pump (±1 % accuracy, Jasco PU‐2087 Plus). The experimental apparatus scheme and further operation details are described in our previous work 27.…”
Section: Methodsmentioning
confidence: 99%
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“…The mixed NH 3 and H 2 (Air Liquide, 50, 60, and 10 vol % of NH 3 ) flow rate was controlled by a thermal mass flow controller (±1 % accuracy; Brooks) while the liquid CHOL flow rate (Bondalti Chemicals' commercial grade, > 99.5 wt % purity) was measured using an HPLC pump (±1 % accuracy, Jasco PU‐2087 Plus). The experimental apparatus scheme and further operation details are described in our previous work 27.…”
Section: Methodsmentioning
confidence: 99%
“…The condensed reaction products were analyzed by gas chromatography, as described elsewhere 27, 30. For all experiments, the elementary mass balance to carbon was always verified within a maximum acceptable deviation of ±6 %.…”
Section: Methodsmentioning
confidence: 99%
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