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Postdoc Job on production of biofuel from sewage sludge, Environmental biology – Aarhus, Denmark

Aarhus University (AU)


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Nov 15, 2021 23:59 (GMT +2)

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The Department of Biological and Chemical Engineering, Aarhus University, invites applications for a 2-year postdoc position offering applicants an exciting opportunity to join our research on production of biofuel from sewage sludge – Denmark, Nov 2021

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General Info

Position: Postdoc
No. of Positions: 1
Research Field: ,
Deadline to Apply: November 15, 2021(GMT +2)
Joining Date: Jan 01, 2022
Contract Period: 2 Years
Salary: According to Standard Norms

Department of Biological and Chemical Engineering
Aarhus University (AU)
Aarhus C,

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Qualification Details

Our ideal candidate holds a PhD in environmental engineering or similar and has experience with environmental microbiology and biological wastewater treatment, has an open mind to develop new ideas and is eager to collaborate with the project partners. The following qualifications are considered as an advantage:

  • Experience with environmental microbiology and biological wastewater treatment
  • Experience with operation lab-scale bioreactors
  • Experience with LC-MS or GC-MS
  • Publishing in peer-reviewed journals
  • Developing and writing project proposals

Where experience is lacking, the candidate must be motivated to learn and will get the opportunity to develop new skills. Excellence in both written and spoken English is a requirement.

Responsibilities/Job Description

The demonstration project Sludge2Fuel will turn sewage sludge, a waste stream from wastewater treatment, into biofuel. The project will implement the first full-scale hydrothermal liquefaction (HTL) plant at the wastewater treatment plant of Fredericia, Denmark. HTL, a process resembling the geological formation of fossil crude oil, converts wet biomass such as sewage sludge into biocrude oil. However, HTL produces an aqueous waste stream containing high levels of dissolved organic matter (about 50 g COD/L) with potential inhibitory effects to the microbial communities and processes in the wastewater treatment plant or with detrimental effects to the effluent water quality. This project aims to investigate options for bioremediation of this aqueous waste stream.Specific tasks are:

  • Investigate biological treatment of HTL wastewater using lab-scale bioreactors and in full-scale
  • Investigate effects of HTL wastewater on microbial communities and processes in lab and full-scale
  • Chemical (LC and GC-MS of micropollutants and HTL compounds) and toxicological (in vitro bioassays) profiling of HTL wastewater before and after treatment and in final effluent in lab and full-scale
  • Working and reporting in a team with several academic and industrial partners
  • Supervision of master and bachelor students
  • Publishing peer reviewed papers

Candidates are encouraged to describe research ideas as part of the application (research proposal of max. 2 pages).

How to Apply?

Online Application through "Apply Now" Button from this page or from advertisement webpage (URL below)

Reference Number: -ID: 7004
(If any, use it in the necessary place)

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Documents Required

Documents required to complete the online application process

About the Department

The research group ‘Microbial Technologies for Clean Water’ specializes in processes at the interplay between microorganisms and pollutants in water. One of the focus areas is the development of biotechnologies for recovery of valuable resources from wastewater. We investigate and exploit the variety of biochemical processes that are catalysed by microorganism by combining approaches from the fields of environmental chemistry, microbiology and biotechnology. Currently, the group consists of 3 postdocs, 1 PhD and master and bachelor students.The Department of Biological and Chemical Engineering has strong biotechnology research areas within industrial biotechnology, environmental and process engineering, industrial microbiology, modelling of biological processes. The successful applicant will be working with biotechnology and will produce and disseminate knowledge and research results about the biological and chemical basis of relevant processes. Translation of results into solving relevant societal problems within environmental issues, health and industry is a highly prioritized part of our work.

About the Employer: Aarhus University (AU)

Note or Other details

Shortlisting is used. This means that after the deadline for applications – and with the assistance from the assessment committee chairman, and the appointment committee if necessary, – the head of department selects the candidates to be evaluated. All applicants will be notified whether or not their applications have been sent to an expert assessment committee for evaluation. The selected applicants will be informed about the composition of the committee, and each applicant is given the opportunity to comment on the part of the assessment that concerns him/her self. Once the recruitment process is completed a final letter of rejection is sent to the deselected applicants.

Letter of reference

If you want a referee to upload a letter of reference on your behalf, please state the referee’s contact information when you submit your application. We strongly recommend that you make an agreement with the person in question before you enter the referee’s contact information, and that you ensure that the referee has enough time to write the letter of reference before the application deadline. Unfortunately, it is not possible to ensure that letters of reference received after the application deadline will be taken into consideration.

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Contact details

Further information about the position may be obtained from Leendert Vergeynst, +4550577938, email:

Advertisement Details: 2-year postdoc on biological treatment of wastewater from hydrothermal liquefaction for biofuel production from sewage sludge

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