scholarly journals Catalytic conversion of furanic compounds over Ga-modified ZSM-5 zeolites as a route to biomass-derived aromatics

2018 ◽  
Vol 20 (16) ◽  
pp. 3818-3827 ◽  
Author(s):  
Evgeny A. Uslamin ◽  
Nikolay A. Kosinov ◽  
Evgeny A. Pidko ◽  
Emiel J. M. Hensen
Keyword(s):  
Catalytic Conversion ◽  
Cellulosic Biomass ◽  
Mechanistic Study ◽  
Model Compounds ◽  
Furanic Compounds

Herein we report a mechanistic study of aromatization of furanics, as model compounds for cellulosic biomass, over (Ga)HZSM-5 catalysts.

scholarly journals Catalytic approach via retro-aldol condensation of glucose to furanic compounds

2021 ◽  
Author(s):  
Rui Zhang ◽  
Aleksi Eronen ◽  
Xiangze Du ◽  
Enlu Ma ◽  
Ming Guo ◽  
...  
Keyword(s):  
Aldol Condensation ◽  
Catalytic Conversion ◽  
New Type ◽  
Furanic Compounds

The synthesis of new type furan-based compounds other than 5-hydroxymethylfurfural from glucose is a very attractive yet underexploited strategy. We report here a catalytic conversion of glucose with acetylacetone (acac)...

Mechanistic study of the catalytic conversion of 2,3-butanediol to butenes

2018 ◽  
Vol 360 ◽  
pp. 221-239 ◽  
Author(s):  
Quanxing Zheng ◽  
Jiayi Xu ◽  
Bin Liu ◽  
Keith L. Hohn
Keyword(s):  
Catalytic Conversion ◽  
Mechanistic Study

Low Temperature Biomass Deconstruction by Zeolite-encapsulated Enzyme Mimics

2011 ◽  
Vol 1326 ◽  
Author(s):  
L. Shannon Davis ◽  
Thomas T. Eisenhart ◽  
Brianna C. Hughes ◽  
Amy L. Pressley
Keyword(s):  
Low Temperature ◽  
Oxidation Catalysis ◽  
Cellulosic Biomass ◽  
Oxidative Enzymes ◽  
Enzyme Mimics ◽  
Model Compounds ◽  
Selective Method ◽  
The Family ◽  
Oxidation Of Organic Compounds ◽  
Large Pore Zeolites

ABSTRACTOxidation catalysis is a reaction necessary for the production of plastics and other materials that seem now essential to our everyday lives. Unfortunately, most oxidation processes suffer from poor selectivity or yields, creating unwanted byproducts and waste. In nature, oxidative enzymes like methane monooxygenase and the family of cytochromes provide a more selective method for oxidation of organic compounds. Of particular interest is the low temperature, selective oxidation of cellulosic biomass for the production of biofuels or other useful replacements for materials currently derived from petroleum feedstocks. An enzymatic approach could replace the high temperature pyrolysis technology in use today. A series of inorganic mimics of some oxidative enzymes, using transition metal – amino acid complexes encapsulated in large pore zeolites have been synthesized and examined as oxidation catalysts under benign conditions. Several of these demonstrate turnovers comparable to native enzymes in the reaction of model compounds for the oxidation of lignin and cellulose.

scholarly journals Catalytic Conversion of Cellulosic Biomass or Algal Biomass plus Methane to Drop in Hydrocarbon Fuels and Chemicals

2018 ◽  
Author(s):  
Michael Roberts ◽  
Terry Marker ◽  
Martin Linck ◽  
Steve Schmidt ◽  
James Winfield ◽  
...  
Keyword(s):  
Algal Biomass ◽  
Catalytic Conversion ◽  
Hydrocarbon Fuels ◽  
Cellulosic Biomass ◽  
Fuels And Chemicals

scholarly journals An Overview of Recent Developments in Hetero-Catalytic Conversion of Cellulosic Biomass

2020 ◽  
Vol 4 ◽  
pp. 43-54
Author(s):  
Mohamed Rashid Ahmed-Haras ◽  
Nhol Kao ◽  
Md. Sakinul Islam ◽  
Liam Ward
Keyword(s):  
Sulfuric Acid ◽  
Catalytic Conversion ◽  
Cellulose Hydrolysis ◽  
Nanocrystalline Cellulose ◽  
Cellulosic Biomass ◽  
Heterogeneous Catalytic ◽  
Research Activities ◽  
Acid Catalyzed ◽  
Solid Acids Catalysts ◽  
Hydrolysis Of

In recent years, research activities involved in the production of nanocellulosic materials have grown substantially, rapidly stimulating the development of innovative production techniques. These materials are chemically extracted by acid-catalyzed Hydrolysis of the renewable and widely available cellulosic biomass. In this regard, sulfuric acid-catalyzed Hydrolysis of cellulosic biomass is a commonly known method for the production of nanostructured cellulose. However, this method may result in many disadvantages, including short catalyst-lifetime, corrosive to the reactor materials and managing the spent sulfuric acid resulted from the production process. This dictates the implementation of an eco-industrial alternative for the catalytic production of nanocrystalline cellulose (NCC). A viable and practical alternative is the application of heterogeneous (solid acids) catalysts, which can be more conducive in providing favorable platforms for efficient cellulose hydrolysis. This review highlights the current production methods of nanocrystalline cellulose. Further, recent literature on the heterogeneous-catalytic conversion of cellulosic biomass is briefly discussed. The limitations and disadvantages of these techniques are also described.

Catalytic conversion of cellulosic biomass to ethylene glycol: Effects of inorganic impurities in biomass

2015 ◽  
Vol 175 ◽  
pp. 424-429 ◽  
Author(s):  
Jifeng Pang ◽  
Mingyuan Zheng ◽  
Ruiyan Sun ◽  
Lei Song ◽  
Aiqin Wang ◽  
...  
Keyword(s):  
Ethylene Glycol ◽  
Catalytic Conversion ◽  
Cellulosic Biomass
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