Project

Unravelling the mechanisms of N2O production in the Partial Nitritation Anammox Process during biological water treatment

Publisher

Supervisor

Location

Greater Copenhagen area

•Aim: The project will analyze the microbial communities of different particle sizes and link the information to the N2O production rate of each particle size. We hypothesize that there is a relation between the microbial community and the N2O emission and we assume different AOB/AMX ratios in different particle sizes. We expect to find an 'optimal' particle size that can preferentially be used to run the process with low N2O emissions.

•Background:
The partial nitritation/anammox process is an innovative biological wastewater treatment process, BUT it emits N2O! N2O is a strong greenhouse gas with ozone depleting properties and it is bad for the atmosphere. Bacteria in the complex microbial community produce the gas, but we are not entirely sure who and why. The bacteria grow in spherical granules. In the reactor different granule sizes are apparent. Each size exhibits slightly different conditions due to their different surface to volume ratios, e.g. oxygen penetration depth. Accordingly we expect altered microbial communities as a function of particle size with different N2O production rates.

•What you will learn: Microbial community analysis (FISH, qPCR), reactor handling, process monitoring, data handling and interpretation, fluorescence microscopy

In collaboration with

DTU Environment

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Contact

Company / Organization

DTU Miljø

Name

Barth F. Smets

Position

Professor

Mail

bfsm@env.dtu.dk

Supervisor info

BSc in Biotechnology

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

BSc in Chemistry and Technology

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

BSc in Environmental Engineering

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

MSc in Aquatic Science and Technology

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

MSc in Bioinformatics and Systems Biology

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

MSc in Biotechnology

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

MSc in Environmental Engineering

Supervisor

Barth F. Smets

Co-supervisors

Marlene Mark Jensen, Carlos Domingo-Felez

Type

BSc project, MSc thesis, Special course

Technical University of Denmark

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