ERK5-1999-00020 Development of Selective Catalytic Oxidation "SCO" Technology and Other High Temperature Ammonia Removal Processes for Gasification Power Plant

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Chemical Conversion : EESD (Energy, Environment and Sustainable Development) : Electricity

Type of Project	Shared Cost
Contract No	ERK5-1999-00020
Total Cost
EC Contribution
Start Date	1999
Duration	36 months
Scientific Officer	Garbiņe Guiu Etxeberria

Abstract

Most renewable fuels contain nitrogen, which will convert to ammonia during gasification. This ammonia will form NO_x emission during gas combustion in gasification power plants, where hot gas cleanup is used. Removing ammonia from the hot gasification gas would facilitate the development of a simple and efficient method for NO_x removal in gasification plants. Hence, the objective of this research was to develop two main technologies for ammonia removal in gasification plants. First, the "conventional" approach was the nickel catalyst based technology for ammonia removal. This was studied so that the feasibility of nickel monolith catalyst in real gasification conditions could be estimated. Secondly, a "new and innovative" goal was to develop and study selective catalytic oxidation (SCO) processes in order to understand the underlying mechanism of the reactions of ammonia and oxidisers on a catalyst surface. This made it possible to optimise the process and to promote testing of the SCO technology in pilot scale.

Participants

The consortium consisted of:

• VTT (FIN)
• Universidad Complutense de Madrid (E)
• Sydkraft (S)
• Foster Wheeler Energia (FIN)
• Energi E2 (DK)
• Aabo Akademi University (FIN)
• University of Leeds (UK)

Contacts

Contact

• Pekka SIMELL / Technical Research Centre of Finland VTT Energy Gasification Research Group / FINLAND