Results 61 to 70 of about 74,124 (234)
Poly(oxime-ester) Vitrimers with Catalyst-Free Bond Exchange. [PDF]
, 2019 Vitrimers are network polymers that undergo associative bond exchange reactions in the condensed phase above a threshold temperature, dictated by the exchangeable bonds comprising the vitrimer.
He, Changfei +4 more
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Utilization of fish oil for biodiesel production
Squalen, 2010 Recenty fossil fuel consumption gradually increases, resulting in decreases of its naturalresource and causing environmental problems such as air pollution and global warming.Attempts to overcome the problems have been made to create on alternative ...
Tri Nugroho Widianto +1 more
doaj +1 more source
HCME: An Environment-Friendly I.C. Engine Fuel [PDF]
, 2012 The study revealed that Hura crepitans oil is a good candidate for Hura crepitans methyl ester (HCME) production. Two steps (esterification and transesterification) production stages influenced the high yield of HCME.
Adepoju, Tunde F. +3 more
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Use of metal catalysts bearing Schiff base macrocycles for the ring opening polymerization (ROP) of cyclic esters [PDF]
, 2017 © 2017 by the authors. Schiff base macrocycles are emerging as useful scaffolds for binding two or more catalytic metals in close proximity. Such coordination chemistry allows for the evaluation of potentially beneficial catalytic cooperative effects. In
Redshaw, Carl
core +2 more sources
Cleaner Environmental SystemsThis study quantifies and compares the life cycle environmental and economic sustainability of five most common and widely researched valorisation routes for spent coffee grounds (SCGs): i) fuel pelletizing; ii) combination of transesterification and ...
Piya Gosalvitr +3 more
doaj +1 more source
Biodegradability and biocompatibility of copoly(butylene sebacate-co-terephthalate)s [PDF]
, 2017 In the present study poly (butylene sebacate-co-terephthalate)s having different compositions were synthesized with a high yield and a random distribution by thermal transesterification of poly (butylene sebacate) and poly (butylene terephthalate ...
Faramarz Afshar Taromi, Faramarz Afshar +5 more
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Jurnal Rekayasa Kimia & Lingkungan, 2020 This study aimed to examine the effects of transesterification reaction temperature on the biodiesel properties and diesel engine performance. Biodiesel properties evaluated in this work included viscosity, density, and methyl ester content.
Dwi Widjanarko +2 more
doaj +1 more source
Effect of Catalyst in Volume Percent Yield Biodiesel From Stearin by Transesterification Process [PDF]
, 2011 Use of fuel oil is increasingly high, but the problem is not in line with the production of fuel oil which is increasingly lower, so to anticipate and meet the fuel needs of the growing diesel engine, it requires a search and research on alternative ...
Erlinawati, M.T, Ir
core +1 more source
Optimization of Enzymatic Gas-Phase Reactions by Increasing the Long-Term Stability of the Catalyst [PDF]
, 2004 Enzymatic gas-phase reactions are usually performed in continuous reactors, and thus very stable and active catalysts are required to perform such transformations on cost-effective levels.
Büchs, Jochen, +4 more
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KINETICS OF PALM OIL TRANSESTERIFICATION IN METHANOL WITH POTASSIUM HYDROXIDE AS A CATALYST
Indonesian Journal of Chemistry, 2010 A study on palm oil transesterification to evaluate the effect of some parameters in the reaction on the reaction kinetics has been carried out. Transesterification was started by preparing potassium methoxide from potassium hydroxide and methanol and ...
Yoeswono Yoeswono +2 more
doaj +1 more source