Publications associées à Biocarburant pour l'aviation

Renewable Energy Integration and Waste Heat Recovery for the Production of Sustainable Jet Fuel and Decarbonization of Industrial Heating Applications

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The process synthesis and optimization methods used in this work include simulation of biomass gasification, hydrogen and synthetic natural gas production, and jet fuel production via a Fisher Tropsch unit. An energy integration approach, carried out by th ...

American Institute of Chemical Engineering2023

Optimal Design Operation Strategies of a Hyperloop Transportation System

Denis Tudor

In the last decades, transportation demand growth has played a major role in the increase of global CO2 footprint. At the same time, a number of countries have scheduled measurable and substantial cutback of CO2 emissions by 2050. As the transportation sec ...

EPFL2023

Kinetic Network Modeling of the Catalytic Upgrading of Biomass's Acetate Fraction to Aromatics

Jeremy Luterbacher, Jher Hau Yeap, Bartosz Rozmyslowicz, Ahmed Mohamed Ibrahim Elkhaiary

The acetate fraction is the fourth most abundant fraction by weight in many plant species and can be easily extracted as acetic acid in high yields. We have previously shown that acetic acid obtained from steam pretreated beech wood could be upgraded in a ...

Amer Chemical Soc2023

Solar fuel processing: Comparative mini-review on research, technology development, and scaling

Sophia Haussener

Solar energy provides an unprecedented potential as a renewable and sustainable energy resource and will substantially reshape our future energy economy. It is not only useful in producing electricity but also (high-temperature) heat and fuel, both require ...

2022

A study on synergies of combined pulp and fuel production

François Maréchal, Julia Granacher, Tuong-Van Nguyen, Erina Clare Mcdonald

To limit climate change by reducing global greenhouse gas emissions, a transition away from fossil fuels is required. Biofuels represent a promising low carbon alternative for sectors that are hard to electrify, such as aviation. The integration of bio ref ...

2021

Using agricultural residues for sustainable transportation biofuels in 2050: Case of West Africa

Edgard Gnansounou, Elia Mercedes Ruiz Pachon

This article focuses on the use of biomass to produce transportation fuels such as synthetic natural gas, bioethanol and electricity under a sustainable scenario in West Africa in 2050. The aim of this work was to evaluate the feasibility of producing such ...

Elsevier2020

Catalytic Upgrading of Biomass-Derived Carboxylic Acids to Fuels and Chemicals

Jher Hau Yeap

Our reliance on fossil fuels, which is unsustainable due to dwindling reserves, has led to various environmental issues. Lignocellulosic biomass could serve as a renewable source of carbon and energy for the production of fuels and chemicals. While several ...

EPFL2019

Catalytic valorization of the acetate fraction of biomass to aromatics and its integration into the carboxylate platform

Jeremy Luterbacher, Masoud Talebi Amiri, Ydna Marie Questell-Santiago, Benjamin Pierre Le Monnier, Jher Hau Yeap, Bartosz Rozmyslowicz, Ahmed Mohamed Ibrahim Elkhaiary

In many plant species, the acetate fraction is the fourth most prominent fraction by weight after cellulose, hemicellulose and lignin, and can be easily extracted as a single stable molecule, acetic acid, at high yields. Despite this, upgrading the acetate ...

2019

Cuprous Oxide Photoelectrodes for Photoelectrochemical Water Splitting towards Unassisted Solar Hydrogen Production

Linfeng Pan

To handle global problems of energy and environmental pollution, efforts have been made to harvest energy from sunlight. Photoelectrochemcal water splitting is an efficient way to achieve sustainable solar-fuel production. However, to make this method comp ...

EPFL2019

Optimal design of biomass supply chains with integrated process design

François Maréchal, Theodoros Damartzis

The current work focuses on the optimal design of biomass supply chains, addressing the conversion of raw materials into useful services. The latter include not only heat and power but also synthetic bio-based fuels (e.g. bio-SNG). Optimally pre-designed p ...

Elsevier2019

Assessing the sustainability of biofuel production from camelina in Spain, results of the ITAKA project - analysis of GHG emissions

Massimiliano Capezzali, Mélanie Guittet

Purpose With the rapid growth and increased consumption of biofuels worldwide, and the multitude of policy decisions supporting this expansion, growing concerns about the biofuels sustainability have arisen. Therefore, the European project ITAKA, aiming at ...

2018

Improved Sugars Release from Chili Post-harvest Residues by Dilute Acid Assisted Lime Pretreatment

Edgard Gnansounou

Lignocellulosic biomass seems promising renewable feedstocks for the production of biofuels and other value-added products. It is composed of cellulose, hemicelluloses and lignin, which are connected by several intra-and inter-polymer linkages. For effecti ...

2018

Impact of agricultural-based biofuel production on greenhouse gas emission from land-use change: Key modelling choices

Edgard Gnansounou, Luis Alberto Panichelli

Recent regulations on biofuels require reporting of greenhouse gas (GHG) emission reductions related to feedstock-speciﬁc biofuels. However, the inclusion of GHG emissions from land-use change (LUC) into law and policy remains a subject of active discussio ...

2015

First developments towards closing the nutrient cycle in a biofuel production process

Christian Ludwig, Frédéric Vogel, Gaël Peng, Mariluz Bagnoud

Hydrothermal liquefaction (HTL) of microalgae is a promising technology offering production of biofuels in a sustainable way. Thanks to the supercritical conditions applied, the recycling of water and nutrients including carbon capture becomes feasible(1-2 ...

Elsevier Science Bv2015

Opportunities for Switzerland to Contribute to the Production of Algal Biofuels: the Hydrothermal Pathway to Bio-Methane

Christian Ludwig, François Richard Vuille, Mariluz Bagnoud, Dominik Refardt

Microalgae have a significant potential to be a sustainable source of fuel and thus are of interest in the transition to a sustainable energy system, in particular for resource-dependent countries such as Switzerland. Independence of fossil fuels, consider ...

Swiss Chemical Soc2015

Biofuel greenhouse gas calculations under the European Renewable Energy Directive - A comparison of the BioGrace tool vs. the tool of the Roundtable on Sustainable Biofuels

The European Renewable Energy Directive (EU RED) requires biofuels to reduce greenhouse gas emissions (GHG) by 35% compared to fossil fuels in order to count towards mandatory biofuel quota or to be eligible for financial support schemes. This reduction ta ...

Elsevier2013

Impact of biofuels production on land-use change and greenhouse gas emissions : methodological framework and system dynamics modeling applied to soybean-based biodiesel production in Argentina

Luis Alberto Panichelli

This research assesses the effect of greenhouse gas (GHG) emission constraints imposed in biofuel importing countries on the export potential of biofuel producing countries. Several countries are promoting the introduction of biofuels on their energy matri ...

EPFL2012

Assessing the sustainability of biofuels: A logic-based model

Edgard Gnansounou

Over the last decade, the production and consumption of biofuels increased rapidly worldwide, in an attempt to reduce greenhouse gas (GHG) emissions, diversify transportation fuels, promote renewable energy, and create or maintain employment, especially in ...

2011

Quantitative analysis of the dripping and jetting regimes in co-flowing capillary jets

François Gallaire

We study a liquid jet that breaks up into drops in an external co-flowing liquid inside a confining microfluidic geometry. The jet breakup can occur right after the nozzle in a phenomenon named dripping or through the generation of a liquid jet that breaks ...

2011

Bioenergy in Switzerland: Assessing the domestic sustainable biomass potential

Christian Ludwig, Bernhard Steubing

This paper analyzes the sustainable domestic biomass potential for bioenergy in Switzerland. Relevant biomass resources were selected based on expert interviews and literature analyses. A definition of technical and sustainable biomass potentials was devel ...

Elsevier2010