Monday, October 18, 2010

[Denmark] PhD scholarship in 2nd Generation Biofuel Production from Waste Resources in Ghana at Technical University of Denmark plus 2 more

[Denmark] PhD scholarship in 2nd Generation Biofuel Production from Waste Resources in Ghana at Technical University of Denmark plus 2 more

[Denmark] PhD scholarship in 2nd Generation Biofuel Production from Waste Resources in Ghana at Technical University of Denmark

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PhD scholarship in 2nd Generation Biofuel Production from Waste Resources in Ghana at Technical University of Denmark

Overview
The NRG Programme at Ris DTU offers a three years PhD scholarship starting in November 2010.

The Project
The project will develop sustainable technologies for production of 2nd generation biofuels (biogas, bioethanol and biodiesel) from lignocellulosic waste material in developing countries in Africa. In addition the main is to utilize residuals from the bioenergy production as fertilizer to improving soil fertility and food security. The suggested technologies will make it possible to switch from a society depending more and more on fossil energy to a modern biomass based society. Ghana will be used as a model country.

The PhD will map and select waste resources found in Ghana that are relevant for production of biofuel and the resources will be characterized.The waste will be subject to pre-treatment such as silage treatment, hydrothermal treatment and maceration and thereafter be converted to biofuel in the laboratory. Various conversion technologies shall be tested: ethanol production, biogas and biodiesel. Based on the results different concepts for combined bioethanol, biogas and biodiesel will be developed. Codigestion concepts for an optimized biogas production will also be tested as well as innovative reactor setups will be tested. Finally an evaluation of most suitable biofuel technology will and a sustainability assessment will be carried out.


[Denmark] PhD Scholarship in X-ray Studies of Dynamical Effects in Liquids and at Interfaces at Technical University of Denmark

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PhD Scholarship in X-ray Studies of Dynamical Effects in Liquids and at Interfaces at Technical University of Denmark

Overview
The Materials Research Division at Risø DTU has an open PhD position within X-ray studies of dynamical effects in liquids and at interfaces at the Centre for Molecular Movies.

The research of the Centre focuses on obtaining snapshots of the rearrangement of atoms while fundamental processes are taking place in molecules and in solid materials. Using X-rays, we aim to create new methods for filming the intermediate structures of nanophysical or chemical processes.

Project description
The research work will be within the area of molecular structural dynamics in liquids and interfaces. Initial targets of investigation will be the structure of excited state molecules in solution and the structural properties and dynamics of interfaces. Special focus within these areas will be on compounds with catalytic activity and electrode/electrolyte interface effects, in both cases with an eye towards energy technologies.


[Switzerland] PhD Student in Environmental Geochemistry at Eawag

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PhD Student in Environmental Geochemistry at Eawag

Overview
Eawag, the Swiss Federal Institute of Aquatic Science and Technology, is an internationally active research institute within the domain of the ETH (Swiss Federal Institute of Science and Technology). It is committed to the ecologically, economically and socially responsible management of water.

Within the department of Water Resources and Drinking Water, the group Molecular Envi-ronmental Geochemistry has a vacancy for a PhD Student in Environmental Geochemistry.

The subject of the doctoral thesis will be “Iron(III) precipitates formed by iron(II) oxida-tion in natural waters: Structure, reactivity and impact on arsenic”.

Iron precipitation plays an important biogeochemical role and influences water quality in many natural systems. Iron precipitation is also widely used for the treatment of wastewater and the purification of drinking water, for example to remove arsenic.


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