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Cutting the cost of carbon capture: a case for carbon capture and utilization

Berend Smit, Johanna Maria Huck, Lennart Joos

A significant part of the cost for carbon capture and storage ( CCS) is related to the compression of captured CO2 to its supercritical state, at 150 bar and typically 99% purity. These stringent conditions may however not always be necessary for specific ...

Royal Soc Chemistry2016

Online Detection of Selenium and Its Retention in Reducing Gasification Atmosphere

Christian Ludwig, Andrea Testino, Mohamed Tarik, Adrian Hess

The emission of selenium from coal gasification processes can cause harm to the environment and downstream equipment. With upcoming legislation, reliable detection as well as control of such gas species become crucial. This study therefore addresses the de ...

American Chemical Society2016

Review of fly ash inertisation treatments and recycling

Rudolf Paul Wilhelm Jozef Struis

Fly ash (FA) is a by-product of power, and incineration plants operated either on coal and biomass, or on municipal solid waste. FA can be divided into coal fly ash, obtained from power plant burning coal, flue gas desulphurisation FA, that is, the by-prod ...

Springer Verlag2014

(Finite) statistical size effects on compressive strength

The larger structures are, the lower their mechanical strength. Already discussed by Leonardo da Vinci and Edme Mariotte several centuries ago, size effects on strength remain of crucial importance in modern engineering for the elaboration of safety regula ...

National Academy of Sciences2014

A Metamodel of the Oil Game under Climate Treaties

Marc Vielle, Alain Haurie

A climate treaty like the one which should replace the Kyoto Protocol after 2012, may have important impacts on the oil, gas and coal markets. The full impact of such a treaty will not be felt before 2030. In this paper one uses a computable general equili ...

2011

Hydration, microstructural development and dimensional stability of cementitious materials made of portland cement clinker and fluoroanhydrite

Carolina Prieto Gomez

The production of Portland cement accounts for 5 to 8% of the global anthropogenic CO2 emissions. In the past years, the cement industry has attempted to reduce this contribution by the use of mineral additions on the cement or in the concrete mix. The typ ...

EPFL2010

Impact of Materials and Design on Solid Oxide Fuel Cell Stack Operation

Jan Van Herle, Stefan Diethelm, Arata Nakajo, Zacharie Wuillemin, Nordahl Autissier

Planar SOFC stack technology based on a unique concept (SOFConnex™) uses structured gas distribution layers between unprofiled metal sheet interconnects and thin Ni-YSZ anode supported electrolyte cells. The layers are flexible both in material and designa ...

2008

Environomic modeling and multi-objective optimisation of integrated energy systems for power and cogeneration

Hongtao Li

Current and future dynamics, of environmental legislations and trading market, of the fuel and electricity prices due to the market liberalization or resource shortages, and of the innovations of power/cogeneration technologies, impose great challenges on ...

EPFL2006

Methodological Aspects of the Definition of a 2kW Society

Daniel Favrat, Pierre-André Haldi

The consumption of primary energy is often used to compare energy systems from a sustainability viewpoint at regional, national or even world level. For such comparisons to be “fair” and meaningful, this implies however to define primary energies in a cohe ...

2006

The strategic technology options for mitigating CO2 emissions in power sector: assessment of Shanghai electricity-generating system

Edgard Gnansounou, Jun Dong

In this paper, the strategic technology options, especially the potential role of natural gas combined cycle and nuclear power plants, in mitigation of CO2 emission in electricity sector in China are assessed. We analyse the influence of different power ge ...

2004