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Ni-exchanged cationic clays as novel heterogeneous catalysts for selectiveethylene oligomerization
Montmorillonite rich clays, including bentonite, acid washed clay (K10) and Al-pillared clay were exchangedwith nickel in order to prepare novel heterogeneous catalysts for the ethylene oligomerization. The catalyticproperties were examined in flow mode (p =3.0 MPa, T=150–350 °C), and the results were related to thetextural and acidic characteristics of the catalysts. Due to higher surface area and mesoporous volume, as well asmoderate acidity, Ni-exchanged K10 exhibited superior catalytic behaviour compared to others catalysts. Ni-K10was very active (TOF =570 h−1), stable (high conversion during 20 h on stream), and highly selective to linearC4 and C6 olefins.
Ni-exchanged cationic clays as novel heterogeneous catalysts for selectiveethylene oligomerization
Montmorillonite rich clays, including bentonite, acid washed clay (K10) and Al-pillared clay were exchangedwith nickel in order to prepare novel heterogeneous catalysts for the ethylene oligomerization. The catalyticproperties were examined in flow mode (p =3.0 MPa, T=150–350 °C), and the results were related to thetextural and acidic characteristics of the catalysts. Due to higher surface area and mesoporous volume, as well asmoderate acidity, Ni-exchanged K10 exhibited superior catalytic behaviour compared to others catalysts. Ni-K10was very active (TOF =570 h−1), stable (high conversion during 20 h on stream), and highly selective to linearC4 and C6 olefins.
Ni-exchanged cationic clays as novel heterogeneous catalysts for selectiveethylene oligomerization
Asma, Aid (Autor:in) / Andrei, Radu Dorin / Samira, Amokrane / Cammarano, Claudia / Djamel, Nibou / Hulea, Vasile
Applied clay science ; 146
2017
Aufsatz (Zeitschrift)
Englisch
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