Results 1 to 10 of about 18,193 (97)

Synthesis of Biodiesel from Palm Oil Using a Hybrid Mechanical Stirring and High Frequency Ultrasonic-Assisted Enzyme-Catalysed Process

Chemical Engineering Transactions, 2023
Transesterification process involves different immiscible substrates includes feedstock oil, alcohol and catalyst to produce fatty acid methyl esters, i.e. biodiesel.
Wen Chun Siaw, Lian See Tan, Peck Loo Kiew, Tomoya Tsuji, Ghulam Murshid   +4 more
doaj   +1 more source

Biodiesel production by enzyme-catalyzed transesterification [PDF]

Hemijska Industrija, 2005
The principles and kinetics of biodiesel production from vegetable oils using lipase-catalyzed transesterification are reviewed. The most important operating factors affecting the reaction and the yield of alkyl esters, such as: the type and form of ...
Stamenković Olivera S., Lazić Miodrag L., Veljković Vlada B., Skala Dejan U.   +3 more
doaj   +1 more source

Synthèse de biodiesel en utilisant des huiles végétales usagées

Revue des Énergies Renouvelables, 2016
La recherche d’une nouvelle source d’énergie naturelle inépuisable accompagnée d’une technologie hors le pétrole et son raffinage a pour l’apparition des biocarburants, tels que le biodiesel provenue de la transestérification d’une huile végétale usagée.
Ahmed Boulal, Mostefa Khelafi, Hafida Gaffour, Younes Bakache   +3 more
doaj   +1 more source

Comparison of Ex-Situ and In-Situ Transesterification for the Production of Microbial Biodiesel

Bulletin of Chemical Reaction Engineering & Catalysis, 2021
Microbial biodiesel is converted from microbial lipids via transesterification process. Most microbial biodiesel studies are focusing on the use of microalgal lipids as feedstock.
Alia Tasnim Hazmi, Farah B. Ahmad, Ahdyat Zain Athoillah, Ahmad Tariq Jameel   +3 more
doaj   +1 more source

Valorisation d’une huile extraite à partir d’un déchet agroalimentaire pour la production du biodiesel Application aux amandes amères d’abricot

Revue des Énergies Renouvelables, 2018
La présente étude consiste à la valorisation d’une huile extraite à partir d’un déchet agroalimentaire pour la production du biodiesel en utilisant la réaction de transestérification.
M. Sami, K. Boutemak, B. Cheknane
doaj   +3 more sources

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, Sirintra Arayawate, Ekarat Faedsura, Hanggara Sudrajat   +3 more
doaj   +1 more source

Modélisation cinétique de la transestérification du glycérol en présence de catalyseurs de sélectivité variable

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, Pouilloux Yannick, Barrault Joël   +2 more
doaj   +1 more source

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, Junwei Ai, Peitao Wang, Wei Tong, Chao Ding, Yin Cen, Mingqiu Zhang   +6 more
doaj   +1 more source

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

E3S 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, Peller András, Horňáček Michal   +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, Vanhove Céline, Pouilloux Yannick, Barrault Joël   +3 more
doaj   +1 more source