Abstract
We report the characterisation of zeolite ZSM-5 catalysts used in the conversion of dimethylether to hydrocarbons. Inelastic neutron scattering spectroscopy, supported by solid state NMR, shows that the more rapid deactivation occurring with dimethylether compared with methanol is associated with the formation of less methylated aromatic coke species and attributed to the lower levels of water present during dimethylether conversion. The ability of inelastic neutron scattering to probe a working catalyst with no sample preparation is demonstrated.
| Original language | English |
|---|---|
| Pages (from-to) | 1-7 |
| Number of pages | 7 |
| Journal | Applied Catalysis A: General |
| Volume | 569 |
| Early online date | 9 Oct 2018 |
| DOIs | |
| Publication status | Published - 5 Jan 2019 |
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Keywords
- Coke formation
- Dimethylether
- Inelastic neutron scattering
- ZSM-5
ASJC Scopus subject areas
- Catalysis
- Process Chemistry and Technology
Cite this
Investigation of ZSM-5 catalysts for dimethylether conversion using inelastic neutron scattering. / Zachariou, Andrea; Hawkins, Alexander; Lennon, David; Parker, Stewart F.; Suwardiyanto; Matam, Santhosh K.; Catlow, C. Richard A.; Collier, Paul; Hameed, Ali; McGregor, James; Howe, Russell F. (Corresponding Author).
In: Applied Catalysis A: General, Vol. 569, 05.01.2019, p. 1-7.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Investigation of ZSM-5 catalysts for dimethylether conversion using inelastic neutron scattering
AU - Zachariou, Andrea
AU - Hawkins, Alexander
AU - Lennon, David
AU - Parker, Stewart F.
AU - Suwardiyanto, null
AU - Matam, Santhosh K.
AU - Catlow, C. Richard A.
AU - Collier, Paul
AU - Hameed, Ali
AU - McGregor, James
AU - Howe, Russell F.
N1 - The UK Catalysis Hub is thanked for resources, support and access to the Research Complex at Harwell which is provided via our membership of the UK Catalysis Hub Consortium and funded by EPSRC (grants EP/K014706/1, EP/K014668/1, EP/K014854/1, EP/K014714/1 and EP/M013219/1). The STFC Rutherford Appleton Laboratory is thanked for access to the neutron beam facilities. Johnson Matthey plc is thanked for studentship support via the EPSRC Industrial CASE scheme (AZ and AH), and the provision of the ZSM5 catalyst plus some characterisation information.
PY - 2019/1/5
Y1 - 2019/1/5
N2 - We report the characterisation of zeolite ZSM-5 catalysts used in the conversion of dimethylether to hydrocarbons. Inelastic neutron scattering spectroscopy, supported by solid state NMR, shows that the more rapid deactivation occurring with dimethylether compared with methanol is associated with the formation of less methylated aromatic coke species and attributed to the lower levels of water present during dimethylether conversion. The ability of inelastic neutron scattering to probe a working catalyst with no sample preparation is demonstrated.
AB - We report the characterisation of zeolite ZSM-5 catalysts used in the conversion of dimethylether to hydrocarbons. Inelastic neutron scattering spectroscopy, supported by solid state NMR, shows that the more rapid deactivation occurring with dimethylether compared with methanol is associated with the formation of less methylated aromatic coke species and attributed to the lower levels of water present during dimethylether conversion. The ability of inelastic neutron scattering to probe a working catalyst with no sample preparation is demonstrated.
KW - Coke formation
KW - Dimethylether
KW - Inelastic neutron scattering
KW - ZSM-5
UR - http://www.scopus.com/inward/record.url?scp=85054868048&partnerID=8YFLogxK
U2 - 10.1016/j.apcata.2018.10.010
DO - 10.1016/j.apcata.2018.10.010
M3 - Article
VL - 569
SP - 1
EP - 7
JO - Applied Catalysis A: General
JF - Applied Catalysis A: General
SN - 0926-860X
ER -