Modélisation cinétique de la transestérification du glycérol en présence de catalyseurs de sélectivité variable [PDF]
Oléagineux, Corps gras, Lipides, 2002 Une modélisation cinétique de la réaction de transestérification du glycérol par des esters méthyliques en présence de catalyseurs plus ou moins sélectifs a été effectuée.
Bancquart Sébastien +2 more
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Optimisation De La Production De L’huile Du Suif De Bœuf Pour La Fabrication De Biodiesel Par Transestérification [PDF]
, 2021 Le changement climatique est devenu l’un des problèmes majeurs de notre ère ainsi que la sécurité énergétique, le développement de nouvelles sources d’énergie écologique et durable est primordial.
Andrianaivo, L. +4 more
core +1 more source
Transestérification des acrylates par catalyse basique hétérogène [PDF]
, 2013 We present an original study of the use of solid basic catalysts in the transesterification reaction of acrylates. The reaction of ethyl acrylate with n-hexanol was chosen as model reaction. The catalysts employed, based on alumina modified with alkalin,
Maldonado Barrios, Adriana
core +5 more sources
Research of the influence factors on transesterification reaction degree in PC/PBT blends
Advanced Industrial and Engineering Polymer Research, 2019 PC/PBT blends have excellent comprehensive properties and are widely used in the market. It's inevitable that transesterification reaction will take place in the melting process for this kind of blends, and this reaction has decisive effects on the blend
Tipeng Zhao +6 more
doaj +1 more source
Production of Biodiesel from Waste Cooking Oil Using Transesterification, with the KOH on Carbon Support from Waste Material and Egg Shell, as the Catalyst [PDF]
Environment and Natural Resources Journal, 2016 Microwave assisted transesterification of waste cooking oil (WCO) is carried out in the presence of KOH on carbonized waste coconut shell support (KOH/CS), and CaO derived from waste egg shell (CaO-ES).
Sandhya Babel +3 more
doaj +1 more source
Chemistry 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
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Biodiesel preparation from Camelina sativa oil by homogeneous and heterogeneous transesterification [PDF]
E3S Web of ConferencesBiodiesel 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
Synthèse de monoglycérides par transestérification catalysée par des oxydes basiques
Oléagineux, Corps gras, Lipides, 2001 La préparation de monoglycérides à partir d’acides ou d’esters méthyliques gras et de glycérol peut être effectuée en présence de catalyseurs acides ou basiques. L’emploi de catalyseurs basiques solides pourrait limiter les réactions secondaires menant à
Bancquart Sébastien +3 more
doaj +1 more source
Research of technology for tranesterification of oils and fats on efficient catalysts [PDF]
E3S Web of ConferencesThe 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
Acta 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