The formation and degradation of active species during methanol conversion over protonated zeotype catalysts

U Olsbye, S Svelle, KP Lillerud, ZH Wei… - Chemical Society …, 2015 - pubs.rsc.org
The methanol to hydrocarbon (MTH) process provides an efficient route for the conversion of
carbon-based feedstocks into olefins, aromatics and gasoline. Still, there is room for …

Reflections on the chemistry of the Fischer–Tropsch synthesis

OO James, B Chowdhury, MA Mesubi, S Maity - Rsc Advances, 2012 - pubs.rsc.org
Fischer–Tropsch synthesis (FTS) occupies a key position in the search for alternatives to
petroleum for obtaining liquid hydrocarbons. Hydrocarbons can be produced from …

Critical role of formaldehyde during methanol conversion to hydrocarbons

Y Liu, FM Kirchberger, S Müller, M Eder… - Nature …, 2019 - nature.com
Formaldehyde is an important intermediate product in the catalytic conversion of methanol to
olefins (MTO). Here we show that formaldehyde is present during MTO with an average …

Evaluating the role of descriptor-and spectator-type reaction intermediates during the early phases of zeolite catalysis

X Gong, Y Ye, AD Chowdhury - ACS Catalysis, 2022 - ACS Publications
The philosophy of “Ikigai”─ a reason for being─ could be extended to rationalize the role of
organic reaction intermediates in zeolite catalysis. Each reaction intermediate's ikigai is …

A route to form initial hydrocarbon pool species in methanol conversion to olefins over zeolites

J Li, Z Wei, Y Chen, B Jing, Y He, M Dong, H Jiao, X Li… - Journal of catalysis, 2014 - Elsevier
The formation mechanism of the original C–C bond in methanol conversion to hydrocarbons
over zeolite catalysts remains a grand challenge, although many researchers have done a …

Effect of the Acidity of HZSM-5 Zeolite and the Binder in the DME Transformation to Olefins

P Pérez-Uriarte, M Gamero, A Ateka… - Industrial & …, 2016 - ACS Publications
The effect of the catalyst properties, particularly matrix acidity and its properties, has been
studied in the transformation of dimethyl ether (DME) to light olefins. The catalysts used were …

Identification of the reaction sequence of the MTO initiation mechanism using ab initio-based kinetics

PN Plessow, A Smith, S Tischer… - Journal of the American …, 2019 - ACS Publications
The initiation of the methanol-to-olefins (MTO) process is investigated using a multiscale
modeling approach where more than 100 ab initio computed (MP2: DFT) rate constants for …

Synergistic effect of Brønsted and Lewis acid sites for the synthesis of polyoxymethylene dimethyl ethers over highly efficient SO42−/TiO2 catalysts

F Liu, T Wang, Y Zheng, J Wang - Journal of Catalysis, 2017 - Elsevier
Polyoxymethylene dimethyl ethers (PODE n, CH 3 O (CH 2 O) n CH 3, where n≥ 1) are
receiving much attention as ideal diesel fuel additives because they can significantly reduce …

Boosting the Production of Glycolic Acid from Formaldehyde Carbonylation via the Bifunctional PdO/ZSM-5 Catalyst

X Cao, K Zhang, Y Wang, P He - Industrial & Engineering …, 2023 - ACS Publications
The carbonylation of formaldehyde offers a promising, cost-effective, and environmentally
friendly method for synthesizing glycolic acid, a crucial monomer in biodegradable plastics …

Theoretical Insights into the Effect of the Framework on the Initiation Mechanism of the MTO Process

PN Plessow, F Studt - Catalysis Letters, 2018 - Springer
In this contribution, we investigate the initiation mechanism of the methanol-to-olefins
process for the different zeotype materials, H-SSZ-13, H-ZSM-5, H-BEA and H-SAPO-34 …