Results 11 to 20 of about 34,563 (277)

Transesterification of a Natural Epoxythymol Is Favored under Alkaline Conditions, Preserving the Enantiomeric Purity

open access: yesChemistry Proceedings, 2023
Transesterification is a synthetic chemistry strategy promoted in acid or alkaline conditions, yielding a structural diversity of organic compounds. Epoxythymols comprise a class of chiral natural compounds with biological relevance, and the literature ...
Jessica M. Lorenzo-García   +6 more
doaj   +1 more source

On-line monitoring of the transesterification reaction carried out in microreactors using near infrared spectroscopy [PDF]

open access: yes, 2013
Biodiesel can be produced from vegetable oils, animal fats, and waste cooking oils by transesterification with ethanol (also called ethanolysis) in order to substitute fossil fuels.
Thiebaud-Roux, Sophie   +4 more
core   +1 more source

Biodiesel preparation from Camelina sativa oil by homogeneous and heterogeneous transesterification [PDF]

open access: yesE3S Web of Conferences
Biodiesel is one of the possible alternatives to diesel fuel to address the issue of fossil fuels and their impact on the environment. Substituting homogeneous transesterification with heterogeneous offers advantages such as improved catalyst and product
Bérešová Miroslava   +2 more
doaj   +1 more source

Research of technology for tranesterification of oils and fats on efficient catalysts [PDF]

open access: yesE3S Web of Conferences
The state and prospects for the development of technology for transesterification catalysts are analyzed. The technological processes of transesterification of vegetable oils and solid fats using new modifications of effective catalysts have been studied.
Oltiev Azim   +3 more
doaj   +1 more source

Variability of Omega-3/6 Fatty Acid Obtained Through Extraction-Transesterification Processes from Phaeodactylum tricornutum

open access: yesActa Chimica Slovenica, 2021
The effect of direct transesterification methods on the omega-3/6 composition of extracts from Phaeodactylum tricornutum was studied. The aim of this work was to identify an extraction method which allowed to obtain the most suitable profile of fatty ...
Mari Carmen Ruiz-Dominguez   +6 more
doaj   +1 more source

Acid catalysed transesterification of animal waste fat

open access: yesResearch in Agricultural Engineering, 2009
Rendering plant fat (RPF) was collected and different conditions were used for transesterification. The course of transesterification of RPF was compared with that of transesterification of lard under the same conditions.
A. Prošková   +3 more
doaj   +1 more source

Advances in Biodiesel Production from Microalgae

open access: yesEnergies, 2023
Biofuels, as a renewable, eco-friendly, and cost-effective energy source, can reduce the dependence on fossil fuels. The researchers considered different approaches for obtaining high biodiesel yields from microalgae biomass. This work aims to present an
Emilia Neag   +3 more
doaj   +1 more source

High-throughput analysis of total plasma fatty acid composition with direct in situ transesterification. [PDF]

open access: yes, 2010
Plasma fatty acid (FA) composition reflects dietary intake and endogenous turnover and is associated with health outcomes on a short and long term basis. The total plasma FA pool represents the composition of all FA containing lipid fractions.
Hans Demmelmair   +8 more
core   +1 more source

Microfluid on Chip Transesterification Reaction and Real-Time Monitor by PN Diode Photodetector

open access: yesInternational Journal of Electrochemical Science, 2012
Biodiesel is a renewable fuel made by a chemical reaction of alcohol and vegetable or animal oils, fats, or greases. Through a refinery process called transesterification.
Chun-Chi Chen   +4 more
doaj   +1 more source

Minyak Biji Nyamplung (Calophyllum inophyllum) Dengan Etanol

open access: yesIndonesian Journal of Chemical Research, 2017
A study has been conducted on the transesterification of Calophyllum innophyllum seed oil with ethanol. The purpose of this research is to determine the comparison of concentration of phosphoric acid used to remove the gum on the oil, ester content is ...
Rezki Rezki, Rustam Musta, Aceng Haetami
doaj   +1 more source

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