Sewage sludge combustion model with reduced chemical kinetics mechanisms

date: 06.04.2021

category: Sporočila za javnost

 

The researchers of LICeM and of Chemical Kinetics Laboratory at Eötvös Loránd University, Budapest, developed a novel 3D CFD, surrogate based combustion model for incineration of wastewater sludge.

The model incorporates objective oriented reduced chemical kinetics mechanisms and also defines the suitable set of surrogate compositions. With this, the model allows for highly accurate, yet computationally efficient 3D CFD combustion simulations.  It is specifically developed for designing sludge incineration plants on the lower range of thermal power, thus making it suitable for combustion technologies supporting decentralized sludge treatment, which is progressively increasing across the EU. 

Application of accurate combustion modeling to practical geometries in terms of size and complexity is one of the key features of the model. It thus extensively contributes towards the development and procurement of next-generation thermal treatment devices for low-grade waste streams with low calorific value and high moisture content.

The work has been supported by: Slovenian Research Agency, Slovenian Ministry of Education, Science and Sport, Hungarian National Research, Development and Innovation Office as well as COST via SMARTCATS programme. 

Link to full paper.

 

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