Heterogeneous catalyst deactivation and regeneration: a review

MD Argyle, CH Bartholomew - Catalysts, 2015 - mdpi.com
Deactivation of heterogeneous catalysts is a ubiquitous problem that causes loss of catalytic
rate with time. This review on deactivation and regeneration of heterogeneous catalysts …

Fischer–Tropsch synthesis: A review of the effect of CO conversion on methane selectivity

J Yang, W Ma, D Chen, A Holmen, BH Davis - Applied Catalysis A: General, 2014 - Elsevier
Methane is the least desired product for the Fischer–Tropsch synthesis so that it is of
paramount importance to reduce methane selectivity in the FT process. Despite numerous …

Efficient conversion of syngas to linear α-olefins by phase-pure χ-Fe5C2

P Wang, FK Chiang, J Chai, AI Dugulan, J Dong… - Nature, 2024 - nature.com
Oil has long been the dominant feedstock for producing fuels and chemicals, but coal,
natural gas and biomass are increasingly explored alternatives,–. Their conversion first …

[HTML][HTML] Manganese promotion of a cobalt Fischer-Tropsch catalyst to improve operation at high conversion

CL Tucker, Y Ragoo, S Mathe, L Macheli, A Bordoloi… - Journal of …, 2022 - Elsevier
The addition of manganese to cobalt-based Fischer-Tropsch catalysts increases activity and
significantly improves liquid fuel yield by decreasing CO 2 and CH 4 selectivity. These …

Velocys fischer–tropsch synthesis technology—new advances on state-of-the-art

S LeViness, SR Deshmukh, LA Richard, HJ Robota - Topics in Catalysis, 2014 - Springer
Each process configuration for practicing the Fischer–Tropsch synthesis (FTS) places
particular demands on the catalyst to be used. We discuss how the Velocys microchannel …

CO2 methanation over metal catalysts supported on ZrO2: Effect of the nature of the metallic phase on catalytic performance

LMNC Alves, MP Almeida, M Ayala, CD Watson… - Chemical Engineering …, 2021 - Elsevier
Zirconia was used to support Ru, Ni, and Ru-Ni bimetallic nanoparticles for CO 2
methanation. The formation of an alloy was detected in Ru K-edge spectra. The Ru/ZrO 2 …

Fischer–Tropsch synthesis: Effect of Pd, Pt, Re, and Ru noble metal promoters on the activity and selectivity of a 25% Co/Al2O3 catalyst

W Ma, G Jacobs, RA Keogh, DB Bukur… - Applied Catalysis A …, 2012 - Elsevier
The effect of noble metal promoters (atomic ratio of promoter to Co= 1/170) on the activity
and selectivity of a 25% Co/Al2O3 catalyst was studied at a similar CO conversion level of …

Flowsheet analysis of gasification-synthesis-refining for sustainable aviation fuel production from invasive alien plants

AM Petersen, F Chireshe, JF Gorgens, J Van Dyk - Energy, 2022 - Elsevier
The study assessed the potential for producing sustainable aviation fuel (SAF) from invasive
alien plants (IAPs), which threaten indigenous biodiversity and water resources. Flowsheet …

[HTML][HTML] Modulating CO hydrogenation activity through silane functionalization of cobalt catalysts

L Macheli, GM Leteba, BP Doyle, L Jewell… - Applied Catalysis A …, 2024 - Elsevier
Abstract Cobalt oxide (CoO) nanoparticles (NPs) were modified with different silanes
(tetraethoxysilane–TEOS, triphenyl ethoxysilane–TPES, or trimethyl chlorosilane-TMCS) by …

Quantitative comparison of iron and cobalt based catalysts for the Fischer-Tropsch synthesis under clean and poisoning conditions

W Ma, G Jacobs, DE Sparks, B Todic, DB Bukur… - Catalysis Today, 2020 - Elsevier
Quantitative data comparing iron and cobalt based catalysts for the Fischer-Tropsch
synthesis (FTS) are scarce due to the fact that these two kinds of catalysts typically utilize …