نتایج جستجو برای: hydroxymethyl furfural

تعداد نتایج: 5184  

Journal: :Journal of Mathematics 2022

Conversion of fructose to furan aldehydes is a rapidly developing concept considering the emergent scenario replacement fossil-derived components biomass-derived green precursors. 5-hydroxymethyl furfural (HMF) and levulinic acid (LA) are two most important bio-precursors with expanded downstream utilization in modern industries. Their production from sugars complex reaction due competitive sid...

Journal: :Catalysts 2023

Building blocks with amine functionality are crucial in the chemical industry. Biocatalytic syntheses and chemicals derived from renewable resources increasingly desired to achieve sustainable production of these amines. As a result, materials such as furfurals, especially furfurylamines like 5-(hydroxymethyl)furfurylamine (HMFA) 2,5-di(aminomethyl)furan (DAF), gaining increasing attention. In ...

Journal: :Fuel 2021

Biomass-derived carbon catalysts have been extensively studied for the dehydration of sugars to platform chemical 5-hydroxymethyl furfural (HMF), which can be used produce valuable chemicals and fuels. However, only limited studies conducted determine their molecular structures how these influence conversion process. Here, we prepare a chlorosulfonated catalyst derived from cotton gin trash (CG...

Journal: :Processes 2022

This review covers the operating conditions for extracting top value-added chemicals, such as levulinic acid, lactic succinic vanillic 3-hydroxypropionic xylitol, 2,5-furandicarboxylic 5-hydroxymethyl furfural, chitosan, 2,3-butanediol, and xylo-oligosaccharides, from common lignocellulosic biomass. Operating principles of novel extraction methods, beyond pretreatments, Soxhlet extraction, ultr...

Journal: :Beni-Suef University Journal of Basic and Applied Sciences 2023

Abstract Background Honeybees provide a wealth of valuable natural products containing health-promoting bioactive compounds, including honey, bee bread, venom, pollen, propolis, and royal jelly. In the present study, we investigated chemical composition four honeybee (bees, jelly, bread) derived from three medicinal plants (marjoram, trifolium, citrus) using headspace GC-MS. Results GC-MS analy...

2018
Shalley Sharma Anju Arora Pankhuri Sharma Surender Singh Lata Nain Debarati Paul

BACKGROUND Bioethanol obtained by fermenting cellulosic fraction of biomass holds promise for blending in petroleum. Cellulose hydrolysis yields glucose while hemicellulose hydrolysis predominantly yields xylose. Economic feasibility of bioethanol depends on complete utilization of biomass carbohydrates and an efficient co-fermenting organism is a prerequisite. While hexose fermentation capabil...

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