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Postdoctoral Stipend Position in Chemical Engineering

Applicants are invited to apply for a Postdoc position at Chalmers University of Technology. All students regardless of citizenship are eligible to apply. Applications are invited up to October 10, 2018.

Chemistry and Chemical Engineering is the largest department at Chalmers with research ranging from the most fundamental level to a level close to application in industry and society. The research activities reach from DNA-research and biomaterials to high temperature corrosion, catalysis and recycling. The Department is also heavily committed to teaching at the undergraduate, graduate, as well as postgraduate level in these areas.

Health, natural resources, sustainable energy and materials are some of our lead words and our vision is "Through curiosity and knowledge towards a sustainable world". We have approximately 300 employees, divided into four research and one administrative division. We are situated at campus Johanneberg in the middle of Gothenburg. Information about the research/the project/the division

When working towards a bio based society, replacing the use of fossil raw materials with renewable resources is a vital challenge. Central to overcoming this challenge is the development of a biorefinery to replace today's oil based refineries. The development of such wood based biorefinery is at the heart of our research group: forest products and chemical engineering. For this future biorefinery, membrane separations can be expected to be one of the most important separation operations and to ensure that it can be properly dimensioned and optimised a good understanding of the fundamental mechanisms involved is required.

This project focuses on the recovery of hemicelluloses (which makes up 20-30wt% of the wood) from extraction streams containing mixtures of wood constituents. Today in the dominating chemical process for pulp production hemicelluloses are to a large extent degraded and burnt. However if these hemicelluloses can be recovered they could be used in e.g. biobased composites and barrier films. The project will combine development and application of advanced characterisation methods for membrane fouling, formed during separation and fractionation of biorefinery streams using membrane ultrafiltration. The aim is to develop strategies to limit the extent and effect of fouling to enable the use of energy efficient membrane operations for the recovery of hemicelluloses.

The selected post-doc will get a 13 months scholarship. Hence the applicant must not have lived in Sweden for the past three years nor have earned the PhD degree more than two years prior to the application deadline.

Major responsibilities

The focus of this post-doc project is to use novel methods to investigate and characterise fouling behaviour during crossflow filtration of streams of wood constituents relevant to the biorefinery concept. The project will include the use of a unique test rig using a fluid dynamic gauging (FDG) probe as well as other advanced characterisation methods. The use of FDG in investigation of membrane fouling behaviour is an emerging method and still in development, something that this project will contribute towards. The position will involve experimental work and method development, as well as modelling efforts and writing of scientific articles. This is in many respects a hands-on role, which will require an innovative and creative approach to laboratory test studies.

The position is limited to a maximum of 13 months, with a scholarship.

Qualifications

To qualify for the position of post-doc stipend, you need a doctoral degree in chemical engineering or a similar that is earned no earlier than two years prior to the application deadline. The candidate must be skilled in chemical engineering laboratory and modelling work. Experience of membrane separation/filtration and knowledge of wood chemistry and chemical analysis, as well as physical characterisation methods is a merit. User knowledge of Labview and Matlab is also a merit.

As Chalmers is a highly international workplace good proficiency in English along with excellent collaboration skills is required.

Read more about working at Chalmers.

Application procedure

The application should be marked with Ref 20180483 and written in English. The application should be sent electronically and be attached as pdf-files, as below:

CV: (Please name the document as: CV, Surname, Ref. number) including:
- CV, include complete list of publications
- Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number) including:
- 1-3 pages where you introduce yourself and present your qualifications.
- Previous research fields and main research results.
- Future goals and research focus. Are there any specific projects and research issues you are primarily interested in?

Other documents:
- Attested copies of completed education, grades and other certificates.

Application deadline: 10 October, 2018

For questions, please contact:

Assistant Professor, Tuve Mattsson, tuve.mattsson@chalmers.se, +46 31 772 31 02


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