Design and simulation of full-scale UV reactor

KTH - Royal Institute of Technology


Teknik Natur

Master thesis project on UV reactor development
Period: 5 months, starting September 2016
Supervisors: Francesco Montecchio, Klas Engvall
Subject: Design and simulation of full-scale UV reactor

Air pollution is one of the most important environmental challenges faced in the last decades, since it has dangerous effects on human health and environment. Among others, one of the most important sources for air pollution is the emission of VOCs (Volatile Organic Compounds) from industrial plants. Already at low concentrations, the emitted compounds are very toxic and, together with the nitrogen oxides, are responsible for the formation of ozone and smog at ground level. Photochemistry is one of the most innovative and green solution for the purification of the emissions but it still has many aspects that need to be investigated.
This master thesis work focuses on the development of a full-scale UV reactor, to be used in industrial applications. The design will start from experimental data, already investigated, and will include modelling of UV irradiation and fluid dynamics. The former will be used to understand the propagation of the UV light in different circumstances while the latter will simulate the fluid pattern. The expected outcome is the design of an optimized reactor that combines both models.

The core work of the project is modelling on a workstation, with the following preliminary steps:
1. Literature survey on UV reactions, numerical and CFD modelling
2. Develop of UV irradiation model, with ray analysis
3. Coupling of the UV model with the fluid dynamics simulation
4. Optimization of design parameters, based on the model developed
5. Thesis writing and preparation for the final presentation

- Chemical Engineering background or equivalent
- Great teamwork skills as well as the ability of working independently
- Good command of English, both written and oral
- Knowledge in reaction engineering, numerical and fluid dynamics simulation is valuable

Francesco Montecchio
Phone: +46 (0)8 790 8260

Klas Engvall
Phone: +46 (0)8 790 89 95

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