Results 111 to 120 of about 117,086 (384)
Advanced Energy and Sustainability Research, EarlyView.The rising demand for efficient energy systems has spotlighted 2D mesoporous carbon materials due to their high surface area, tunable porosity, and electrical conductivity. This article explores synthesis methods (template‐assisted, chemical vapor deposition), fabrication techniques (electrospinning, freeze‐drying), and applications in batteries ...
Pariksha Bishnoi +5 more
wiley +1 more source
Economic evaluation of herb extraction using supercritical fluid [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2009 Due to the climate diversity in different parts of Iran, a variety of plants grow across the country, many of them having pharmaceutical applications.
M. Shariaty-Niassar +3 more
doaj
Process optimization of supercritical carbon dioxide (SC-CO2) extraction parameters for extraction of deoxynojirimycin (1-DNJ) from mulberry (Morus alba L.) leaves [PDF]
, 2016 In the present study, supercritical fluid extraction (SFE) technology was applied to extract deoxynojirimycin (1-DNJ) from mulberry leaf powder using carbon dioxide (CO2) as major extraction solvent with ethanol as cosolvent, and extraction parameters ...
Ashoka, J. +5 more
core +2 more sources
Cleaner Routes for Friedel-Crafts Acylation [PDF]
, 2010 Friedel-Crafts acylation is among the most fundamental and useful reactions to yield aromatic ketones but it is one of the less acceptable in terms of unwanted polluting by-products or atom economy because of the overconsumption of catalyst which is used
Aribert, Nicolas +4 more
core +1 more source
Mathematical Modeling of Supercritical Fluid Extraction [PDF]
, 2010 The kinetics of supercritical fluid extraction of valuable substances from plants depends on both extract solubility in the solvent (or phase equilibrium between the matrix and the solvent) and mass transfer resistances, particularly the resistance inside vegetable material.
openaire +2 more sources
Supercritical fluid extraction of wheat bran oil: Study of extraction yield and oil quality [PDF]
, 2014 The supercritical fluid extraction (SFE) of wheat bran oil with pure supercritical carbon dioxide at different extraction pressures (25, 40, and 55 MPa) and temperatures (40, 70, and 95°C) has been studied. Since wheat bran contains important bioactive
Beltrán Calvo, Sagrario +3 more
core +1 more source
A Practical Guide to Heterogeneous Catalysis in Hydrocarbon Transformations
Chemistry – An Asian Journal, EarlyView.A focused overview of the catalytic processing of hydrocarbons to transform them into more valuable compounds is presented. This work is intended to assist BSc, MSc, and PhD students, as well as junior researchers, in selecting and performing appropriate heterogeneous catalytic processes for specific heterogeneous catalytic reactions.
Kelvin A. Sanoja‐Lopez +5 more
wiley +1 more source
Journal of PharmacyIntroduction: The goal of this study was the optimisation of the process parameters for the extraction of Benincasa hispida seed extract using the supercritical carbon dioxide.
Rizal Za’im Ramli +2 more
doaj
Supercritical Carbon Dioxie; An Efficient Solvent for Herbal Extraction
Journal of Medicinal Plants, 2017 Supercritical fluid extraction (SFE) is an alternative to liquid extraction using solvents. Supercritical fluids can have solvating powers similar to organic solvents, but with higher diffusivities, lower viscosity, and lower surface tension.
Mohsen Dashtianeh Dashtianeh +2 more
doaj
Studies on the use of supercritical ammonia for ceramic nitride synthesis and fabrication [PDF]
The extractability of ammonia halides (including ammonium thiocyanate) formed as byproducts from the synthesis of Si(NH)2 via ammonolysis of the corresponding silicon tetrahalides using supercritical NH3 as the extraction medium was investigated.
Cornell, Linda +2 more
core +1 more source