Results 21 to 30 of about 103,644 (369)

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

Prospects and Challenges of Microwave-Combined Technology for Biodiesel and Biolubricant Production through a Transesterification: A Review

open access: yesMolecules, 2021
Biodiesels and biolubricants are synthetic esters produced mainly via a transesterification of other esters from bio-based resources, such as plant-based oils or animal fats.
Nur Atiqah Mohamad Aziz   +3 more
semanticscholar   +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

Intensified processes for FAME production from waste cooking oil: a technological review [PDF]

open access: yes, 2013
This article reviews the intensification of fatty acid methyl esters (FAME) production from waste cooking oil (WCO) using innovative process equipment. In particular, it addresses the intensification of WCO feedstock transformation by transesterification,
Aubin, Joelle   +2 more
core   +3 more sources

On-line monitoring of the transesterification reaction between triglycerides and ethanol using near infrared spectroscopy combined with gas chromatography [PDF]

open access: yes, 2011
Many analytical procedures have been developed to determine the composition of reaction mixtures during transesterification of vegetable oils with alcohols.
Dubreuil, Brigitte   +4 more
core   +3 more sources

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

Esterification of Free Fatty Acids with Glycerol within the Biodiesel Production Framework [PDF]

open access: yes, 2019
Companies in the field of the collection and treatment of waste cooking oils (WCO) for subsequent biodiesel production usually have to cope with high acidity oils, which cannot be directly transformed into fatty acid methyl esters due to soap production.
Carrión Ruiz, Javier   +4 more
core   +1 more source

Modification of chiral dimethyl tartrate through transesterification : immobilisation on POSS and enantioselectivity reversion in Sharpless asymmetric epoxidation [PDF]

open access: yes, 2010
Modification of dimethyl tartrate has been investigated through transesterification with aminoalcohols to provide reactive functionalities for the covalent bonding of chiral tartrate to polyhedral oligomeric silsesquioxanes.
García, Rafael A.   +4 more
core   +1 more source

Versatile Phosphate Diester-Based Flame Retardant Vitrimers via Catalyst-Free Mixed Transesterification

open access: yesACS Applied Materials and Interfaces, 2020
We herein report a new vitrimer system integrated with UV curability, recyclability, and flame retardancy. Energy-efficiency, sustainability, and safety have been required features for next-generation polymer materials. Various attempts have been made to
Xiaming Feng, Guoqiang Li
semanticscholar   +1 more source

ANALYSIS OF FREE FATTY ACID ON SOYBEAN OIL USING GAS CHROMATOGRAPHY – MASS SPECTROSCOPY

open access: yesIndonesian Journal of Chemistry, 2010
Research on transesterification of soybean oil with sodium methoxide as the catalyst in methanol has been conducted. Yields of transesterification reaction were analyzed by gas chromatography-mass spectroscopy (GC-MS).
Deni Pranowo, M Muchalal
doaj   +1 more source

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