Concept

Gasification

Related publications (140)

Intensity of Light Incident and Photoperiod of LED illumination based system on Scenedesmus vacuolatus growth

Christof Holliger, Christian Ludwig, Jean-Paul Schwitzguebel, Mariluz Bagnoud, Olivier Laurent Emery

The proposal of SunCHem project is to produce methane from the hydrothermal liquefaction of microalgal biomass and recovery high-value products in a bio-refinery concept. In this sense the Environmental Biotechnology Laboratory of EPFL (LBE) has developing ...

2012

CO2 mitigation in thermo-chemical hydrogen processes: Thermo-environomic comparison and optimization

François Maréchal, Laurence Tock

A systematic comparison and optimization of thermo-chemical hydrogen production processes with CO2 capture is performed. The process options include the resource type, the syngas production method and the hydrogen purification technology, including CO2 sep ...

2012

Heat, Electricity, or Transportation? The Optimal Use of Residual and Waste Biomass in Europe from an Environmental Perspective

Christian Ludwig, Bernhard Steubing

The optimal use of forest energy wood, industrial wood residues, waste wood, agricultural residues, animal manure, biowaste, and sewage sludge in 2010 and 2030 was assessed for Europe. An energy system model was developed comprising 13 principal fossil tec ...

2012

Multi-Objective Optimization of Biomass Conversion Technologies by Using Evolutionary Algorithm and Mixed Integer Linear Programming (MILP)

François Maréchal, Samira Fazlollahi

The design and operation of energy systems are key issues for matching the energy supply and consumption. Moreover, in the present context of finding ways to decrease CO2 emission, poly-generation technologies, together with the integration of renewable en ...

2011

Sampling and Online Analysis of Alkalis in Thermal Process Gases with a Novel Surface Ionization Detector

Christian Ludwig, Marco Wellinger

When using biomass or waste as a feedstock for power production, alkalis are a major concern because of their negative effects on equipment. To investigate the release behavior of alkalis and the effectiveness of countermeasures, it is indispensable to qua ...

American Chemical Society2011

Transmission of Alkali Aerosols through Sampling Systems

Christian Ludwig, Tilman J. Schildhauer

In biomass gasification, particles such as condensed alkali salts pose a threat on equipment. Due to high loads of condensable tars in the gases, sampling of these particles to liquids and subsequent analysis of the liquid is frequently the method of choic ...

2011

Co-production of Hydrogen and Electricity from Lignocellulosic Biomass: Process Design and Thermo-economic Optimization

François Maréchal, Laurence Tock

The thermochemical production of hydrogen from lignocellulosic biomass is systematically analyzed by developing environomic models combining thermodynamics with economic analysis, process integration techniques and optimization strategies for the conceptua ...

Pergamon-Elsevier Science Ltd2011

Multi-Objective Design and Optimization of District Energy Systems, Including Renewable energy

Maziar Kermani

In this project we are studying the design of district energy networks together with operation and investment optimization, as well as CO2 emissions, with different combination of available conversion technologies such as Biomass Gasification, Organic Rank ...

2011

A process and a plant for hydrothermal synthetic natural gas (sng) production from waste biomass

François Maréchal, Frédéric Vogel, Martin Gassner

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 ...

2011

Assainissement de la décharge de Colliare à Penthaz – Etude de variantes

Gabrielle Hack

The landfill of Colliare is situated on the left bank of the river « la Venoge », at the place of a former gravel pit in the municipality of Penthaz. It was exploited until 1995 and many different wastes were deposited in it, such as incineration slag of h ...

2011

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