catalyst lifetime
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Extended Catalyst Lifetime Testing for HTL Biocrude Hydrotreating to Produce Fuel Blendstocks from Wet Wastes

2021 ◽  
Vol 9 (38) ◽  
pp. 12825-12832
Author(s):  
Senthil Subramaniam ◽  
Daniel M. Santosa ◽  
Casper Brady ◽  
Marie Swita ◽  
Karthikeyan K. Ramasamy ◽  
...  
Keyword(s):  
Lifetime Testing ◽  
Catalyst Lifetime

Synthesis of hierarchical ZSM-5 nano-aggregated microspheres for the application in enhancing the stability of n-hexane aromatization

2021 ◽  
Author(s):  
Xiongfu ZHANG ◽  
Jinshan Wang ◽  
Cun Liu ◽  
Peng Zhu ◽  
Haiou Liu ◽  
...  
Keyword(s):  
Hierarchical Structure ◽  
Light Alkanes ◽  
Important Approach ◽  
The Stability ◽  
Catalyst Lifetime

Incorporating mesopores into ZSM-5 zeolite for forming hierarchical structure has been regarded as an important approach to enhance the diffusivity and catalyst lifetime for light alkanes aromatization. Herein, hierarchical ZSM-5...

Highly Enantioselective Immobilized Prolinamide-Catalyzed Aldol Reactions in Continuous-Flow Systems: Effect of Water on Catalyst Lifetime and Application to the Synthesis of a Chiral Fenpentadiol Analogue

2021 ◽  
Author(s):  
Caizhen Yue ◽  
Yasuhiro Yamashita ◽  
Shu Kobayashi
Keyword(s):  
Continuous Flow ◽  
Flow System ◽  
Aldol Reactions ◽  
Flow Conditions ◽  
Effect Of Water ◽  
Flow Systems ◽  
First Time ◽  
Catalyst Lifetime

Catalytic enantioselective aldol reactions of trifluoroacetophenones with ketones under continuous-flow conditions have been developed for the first time by using polystyrene-supported prolinamides. The robustness of the flow system was demonstrated...

scholarly journals The Discrepancy in Oxygen Evolution Reaction Catalyst Lifetime Explained: RDE vs MEA - Dynamicity within the Catalyst Layer Matters

2021 ◽  
Vol 168 (1) ◽  
pp. 014512
Author(s):  
Mohammad Fathi Tovini ◽  
Alexandra Hartig-Weiß ◽  
Hubert A. Gasteiger ◽  
Hany A. El-Sayed
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Catalyst Layer ◽  
Catalyst Lifetime

scholarly journals Activation of n-pentane while prolonging HZSM-5 catalyst lifetime during its combined reaction with methanol or dimethyl ether

2020 ◽  
Author(s):  
Tomás Cordero-Lanzac ◽  
Cristina Martínez ◽  
Andrés T. Aguayo ◽  
Pedro Castaño ◽  
Javier Bilbao ◽  
...  
Keyword(s):  
Dimethyl Ether ◽  
Catalyst Lifetime

Producing gasoline-like hydrocarbons by cracking crude soybean oil: tuning the NaZSM-5 zeolite’s acidity for increasing the catalyst lifetime

2020 ◽  
Vol 37 (4) ◽  
pp. 691-701
Author(s):  
Carlos A. Ortiz-Bravo ◽  
Cassio H. Zandonai ◽  
Mara Heloisa N. Olsen-Scaliante ◽  
Nádia Regina Camargo Fernandes
Keyword(s):  
Soybean Oil ◽  
Crude Soybean Oil ◽  
Catalyst Lifetime

Precise control of density and strength of acid sites of MFI-type zeolite nanoparticles via simultaneous isomorphous substitution by Al and Fe

CrystEngComm ◽  
2020 ◽  
Vol 22 (44) ◽  
pp. 7556-7564
Author(s):  
Mizuho Yabushita ◽  
Hiroki Kobayashi ◽  
Atsushi Neya ◽  
Masafumi Nakaya ◽  
Sachiko Maki ◽  
...  
Keyword(s):  
Acid Sites ◽  
Linear Control ◽  
Isomorphous Substitution ◽  
Zeolite Framework ◽  
Precise Control ◽  
Type Zeolite ◽  
Catalyst Lifetime

The co-incorporation of Al and Fe at various relative ratios into the MFI-type zeolite framework enabled linear control of the density and strength of acid sites, and such well-tuned acidity led to a better catalyst lifetime.

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