RWTH Aachen - Lehr- und Forschungsgebiet Ton- und Grenzflächenmineralogie (CIM)
The research group Clay and Interface Mineralogy (CIM) investigates processes at the aqueous interfaces of clay minerals. Apart from classical mineralogical analyses such as quantification of clay minerals with X-ray diffraction, surface and bulk properties of clay minerals are characterized by a variety of physicochemical methods. Within the EMR group, we work on the smallest scale relevant for reservoir processes.
Thallium is an emerging contaminant with higher toxicity to mammals than other heavy metals such as Pb, Cd or Hg. Soils represent the crucial environmental compartment for Tl transfer paths from point sources to the adjacent bio- and hydrospehre, respectively. Thus, a quantitative understanding of the Tl behaviour in the critical zone in general and in soils in particular is of great social importance. The sorption properties of Tl on clay minerals, which are key phases for the enrichment or migration of Tl in soils, are not properly investigated. This project will generate sorption isotherms of Tl and potentially similarly behaving metals on select and representative clay minerals. The data will significantly improve the accuracy of predictive fluid transport modelling of Tl in the critical zone. This will be evaluated in a case study on a soil affected by smelter-derived Tl input.
Preparation of purified clay fractions of select clay minerals
Commissioning an experimental setup for measuring cation exchange isotherms at various temperatures, pH, and ionic strengths, respectively
Investigate the influence of complex-forming anions (especially HCO3- and Cl-) on the exchange of Tl species
Perform a case study on a polluted site nearby to Aachen
Evaluation, validation and publication of results in international peer-reviewed journals
Participation and presentation of results at international conferences
We are looking for an outstanding candidate, who fullfills the following requirements:
University degree (Master or equivalent) in Geosciences or Chemistry or Physical Chemistry
Strong background in analytical and chemical work
Excellent command of written English
Experience in programming with Matlab and Python is welcome
Required application documents (please provide a single pdf document)
Letter of motivation
Academic curriculum vitae
Description of your lab experience
What we offer:
The position is 3 years and is to be filled by February 1, 2019. This is a part-time position (75% of the standard weekly hours for full-time employees).
The successful candidate has the opportunity to pursue a doctoral degree.
The salary corresponds to level EG 13 TV-L.
RWTH Aachen University is certified as a "Family-Friendly University". We particularly welcome and encourage applications from women, disabled persons and ethnic minority groups, recognizing they are underrepresented across RWTH Aachen University. The principles of fair and open competition apply and appointments will be made on merit.
Please send your application by January 5, 2019 to
PD Dr. Sven Sindern
Institute of Applied Mineralogy and Economic Geology
RWTH Aachen University
You can also send your application via email to firstname.lastname@example.org. Please note, however, that communication via unencrypted e-mail poses a threat to confidentiality as it is potentially vulnerable to unauthorized access by third parties.