Concept

Biomasse (énergie)

Publications associées (55)

Thermo-economic Evaluation of H2 synthesis from Biomass

The goal of this project would be to study the thermochemical production of hydrogen by using woody biomass as a raw material. The thermo-economic performance of the process will be evaluated and an optimisation will be performed to define the optimal syst ...

2009

Stability of enhanced yield and metal uptake by sunflower mutants for improved phytoremediation

Jean-Paul Schwitzguebel, Erika Nehnevajova, Cécile Bourigault

Plant biomass and metal shoot accumulation are key factors for efficient phytoextraction. In a previous study, chemical mutagenesis has been used to improve the phytoextraction potential of sunflowers. The main goal of the present study was to assess the s ...

2009

Parameter and process significance in mechanistic modeling of cellulose hydrolysis

David Andrew Barry

A process-based model relevant to landfill and anaerobic digesters was developed, which included a novel approach to biomass transfer between a cellulose-bound biofilm and biomass in the bulk liquid. Model results highlighted the significance of the bacter ...

2008

Accounting for indirect land-use changes in GHG balances of biofuels: Review of current approaches

Edgard Gnansounou, Arnaud Dauriat, Luis Alberto Panichelli, Juan David Villegas Gomez

Increased demand for biofuels is expected to produce changes in the present land-use configuration. Furthermore there is a growing concern about the effect of land-use change on biodiversity, food supply, soil and water quality. Biofuels production on curr ...

2008

Risk Governance Guidelines for Bioenergy Policies

Marie-Valentine Renée Agnès Florin

This report comprises an overview of bioenergy developments and policies, a commentary on these developments which highlights some of the opportunities and risks of bioenergy, and presents the International Risk Governance Council’s risk governance guideli ...

International Risk Governance Council (IRGC)2008

Selected pathways for a more efficient conversion of biomass in cogeneration or fuel production

François Maréchal, Daniel Favrat, Jan Van Herle, Martin Gassner, Stefan Heyne

Among renewable energy sources biomass plays a major role. Several paths for improving the conversion of biomass with minimum burden on the environment are being pursued worldwide. This paper reviews some of the most recent results from research at the Swi ...

2007

Genome-scale thermodynamic analysis of Escherichia coli metabolism

Vassily Hatzimanikatis

Genome-scale metabolic models are an invaluable tool for analyzing metabolic systems as they provide a more complete picture of the processes of metab. The authors have constructed a genome-scale metabolic model of Escherichia coli based on the iJR904 mode ...

2006

Monitoring and control of Gluconacetobacter xylinus fed-batch cultures using in situ mid-IR spectroscopy

Urs von Stockar, Ian William Marison, Sergio Valentinotti, Henri Kornmann

A partial least-squares calibration model, relating mid-IR spectral features with fructose, ethanol, acetate, gluconacetan, phosphate and ammonium concns. has been designed to monitor and control cultivations of Gluconacetobacter xylinus and prodn. of gluc ...

2004

Adaptive control of a G. xylinus fed-batch fermentation using in situ mid-IR spectroscopy

Urs von Stockar, Sergio Valentinotti, Martin Rhiel, Henri Kornmann

Bacterial exopolysaccharides (EPS) have unique rheol. properties due to their high purity and regular structure. Thus, the food industry frequently uses EPS as thickening, gelling or stabilizing agents. The strain Gluconacetobacter xylinus I 2281 is capabl ...

2003

Generally applicable fed-batch culture concept based on the detection of metabolic state by on-line balancing

Urs von Stockar, Ian William Marison, Christoph Herwig, Bernhard Walker

In many microorganisms, flux limitations in oxidative metab. lead to the formation of overflow metabolites even under fully aerobic conditions. This can be avoided if the specific growth rate is controlled at a low enough value. This is usually accomplishe ...

2003

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