Publications de Martin Gassner

Identifying environmentally and economically optimal bioenergy plant sizes and locations: A spatial model of wood-based SNG value chains

Martin Gassner, Luca Pampuri, Léda Gerber, Bernhard Steubing

The optimal size and location of bioenergy plants with regards to environmental and economic performance are assessed with a spatially explicit value chain model of the production of synthetic natural gas (SNG) from wood. It consists of several individual ...

Pergamon-Elsevier Science Ltd2014

Increasing Efficiency of Fuel Ethanol Production from Lignocellulosic Biomass by Process Integration

Martin Gassner, François Maréchal

The conversion of lignocellulosic biomass to ethanol is currently one of the most popular options for sustainable production of transportation fuel from renewable resources. Due to the resistance of lignin compounds to biological degradation and the import ...

American Chemical Society2013

Systematic integration of LCA in process systems design: Application to combined fuel and electricity production from lignocellulosic biomass

Martin Gassner, François Maréchal, Léda Gerber

This paper presents a methodology to integrate life cycle assessment (LCA)in thermo-economic models used for the optimal conceptual design of energy conversion systems. It is illustrated by an application to a thermo-economic model developed for the multi- ...

Elsevier2011

Optimal process design for the polygeneration of SNG, power and heat by hydrothermal gasification of waste biomass: Process optimisation for selected substrates

Martin Gassner, François Maréchal, Georges Heyen, Frédéric Vogel

Based on a previously developed thermo-economic process model, this paper presents a detailed design study for the polygeneration of Synthetic Natural Gas (SNG), power and heat by catalytic hydrothermal gasification of biomass and biomass wastes in supercr ...

Royal Society of Chemistry2011

Process Design Methodology for Thermochemical Production of Fuels from Biomass : Application to the Production of Synthetic Natural Gas from Lignocellulosic Resources

Martin Gassner

Biomass is a renewable, yet scarce resource since land is limited. This thesis addresses the question how to efficiently convert the available lignocellulosic biomass and biomass wastes to fuel and other useful energy services. In particular, it presents a ...

EPFL2010

Combined mass and energy integration in process design at the example of membrane-based gas separation systems

Martin Gassner, François Maréchal

This paper presents an approach for combined mass and energy integration in process synthesis and illustrates it at the production of crude synthetic natural gas (SNG) from lignocellulosic biomass and its separation in a membrane cascade. Based on a genera ...

Elsevier2010

A process and a plant for hydrothermal SNG production from waste biomass

Martin Gassner, François Maréchal, Frédéric Vogel

It is the aim of the present invention to provide a system and a process for hydrothermal SNG production from waste biomass having a design of the product separation that not only considers the grid quality specifications for SNG, but also the recovery of ...

2010

Increasing Conversion Efficiency in Fuel Ethanol Production from Lignocellulosic Biomass by Polygeneration - and a Paradoxon between Energy and Exergy in Process Integration

Martin Gassner, François Maréchal

In the public and scientific debate on biofuels, ethanol from lignocellulosic biomass is generally the most popular alternative that may allow for a sustainable production. Compared to thermochemical processing of biomass which assures a complete conversio ...

2010

Thermochemical production of liquid fuels from biomass: Thermo-economic modeling, process design and process integration analysis

Martin Gassner, François Maréchal, Laurence Tock

A detailed thermo-economic model combining thermodynamics with economic analysis and considering different technological alternatives for the thermochemical production of liquid fuels from lignocellulosic biomass is presented. Energetic and economic models ...

Elsevier2010

Environomic optimization of SNG production from lignocellulosic biomass using Life Cycle Assessment

Martin Gassner, François Maréchal, Léda Gerber

This paper discusses strategies for the environomic optimization of renewable energy conversion technologies that are at the conceptual process design stage and produce multiple energy services, using Life Cycle Assessment (LCA). It is illustrated by an ap ...

2010

Thermo-economic Evaluation of the Thermochemical Production of Liquid Fuels from Biomass

Martin Gassner, François Maréchal, Laurence Tock

Different technological alternatives for the thermochemical production of liquid fuels from lignocellulosic biomass are systematically analyzed and optimized based on thermo-environomic models. The competitiveness of the production of Fischer-Tropsch fuel ...

2010

Integration of LCA in a thermo-economic model for multi-objective process optimization of SNG production from woody biomass

Martin Gassner, François Maréchal, Léda Gerber

This paper presents a methodology to integrate life cycle assessment (LCA) in models used to design energy conversion systems. It is illustrated by an application to a thermo-economic model for the multi-objective optimization of synthetic natural gas (SNG ...

2009

Process modeling and integration of fuel ethanol production from lignocellulosic biomass based on double acid hydrolysis

Daniel Favrat, Martin Gassner, François Maréchal, Zoé Périn-Levasseur, Suping Zhang

Lignocellulosic biomass is considered as one of the most promising feedstocks for producing fuel ethanol because of its global availability and environmental benefits of its use. In this paper, the process of lignocellulosic ethanol production was investig ...

2009

Methodology for the optimal thermo-economic, multi-objective design of thermochemical fuel production from biomass

Martin Gassner, François Maréchal

This paper addresses a methodology for the optimal conceptual design of thermochemical fuel production processes from biomass. A decomposed modelling approach with separate energy-flow, energy-integration and economic models are coupled with a multi-object ...

Elsevier2009

Simulation of Fuel Ethanol Production from Lignocellulosic Biomass

Daniel Favrat, Martin Gassner, François Maréchal, Suping Zhang

Models for hydrolysis, fermentation and concentration process, production and utilization of biogas as well as lignin gasification are developed to calculate the heat demand of ethanol production process and the amounts of heat and power generated from res ...

2009

Thermo-economic process model for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass

Martin Gassner, François Maréchal

A detailed thermo-economic model considering different technological alternatives for thermochemical production of Synthetic Natural Gas (SNG) from lignocellulosic biomass is presented. First, candidate technology for processes based on biomass gasificatio ...

Elsevier2009

Integrated design of a gas separation system for the upgrade of crude SNG with membranes

Martin Gassner

This paper investigates different design strategies and process layouts for upgrading crude synthetic natural gas (SNG) produced from lignocellulosic biomass to grid quality. The design problem is outlined by studying the involved key aspects with respect ...

2009

Process Simulation, Thermal and Economic Assessment of Several Technical Options for BTL Productions

Martin Gassner, Guillaume Boissonnet

A study comparing several technical options for producing Fischer-Tropsch fuel by biomass gasification has been performed. Each step of the process has been simulated using ProsimPlus, a process simulation software: gasification, gas cleaning, FT synthesis ...

2008

Gas equilibrium and exergy analysis of the FICFB and Viking gasification concepts

Martin Gassner, François Maréchal

Two biomass gasification concepts, i.e. indirectly heated, steam blown fluidised bed gasification and directly heated, air blown fixed bed gasification are modelled with adjusted equilibrium equations, their energy requirements are integrated and an exergy ...

2008

Methodology for the optimal thermo-economic, multi-objective design of thermochemical fuel production from biomass

Martin Gassner, François Maréchal

This paper addresses a methodology for the optimal conceptual design of thermochemical fuel production processes from biomass. A decomposed modelling approach with separate energy-flow, energy-integration and economic models is presented and coupled to mul ...

2007