Project meeting of STEP at the site of the company ATS - Agro Trading & Solutions in Hardegsen (Photo: DBFZ)

Biomass technologies Biomass furnace

Project ID 03KB096

SCR-Filter - Demonstration of methods for the combined reduction of nitrogen oxides and particulate matter on biomass

Storage container in buffer memory test facility (Photo: DBFZ)

Duration

  • 01.09.2014 – 31.12.2016

Contact

DBFZ Deutsches Biomasseforschungszentrum gemeinnützige GmbH
Torgauer Straße 116
04347 Leipzig

Mario König – project manager
Telephone: +49 (0)341 2434-569
E-mail: mario.koenig‍@‍dbfz.de

Partner

03KB096B - Industrietechnik Barleben GmbH
03KB096C - Fraunhofer Institute for Factory Operation and Automation IFF
03KB096D - Dr. Weigel Anlagenbau GmbH

Associated partners

Cooperation partners

Subpartner

Results

Results are only available in German.

Topic

For the further expansion of the use of biogenic solid fuels agricultural residues such as straw are of special interest. During the thermal conversion of non-woody biomass, beside increased dust emissions also significantly increased nitrogen oxide emissions (NOx) occur. Currently appropriate methods for exhaust gas cleaning are only available for plants with several megawatts. Therefore the aim of the project is to develop a method for simultaneous removing dust and nitrogen oxides from the exhaust, which can be used economically in combustion systems in small and medium power range (> 100 kW). The exhaust cleaning system should ensure the secure compliance with the emission limits for the use of biogenic residues.

Aims

The aim of the project is to test and optimize a method for the combined reduction of particulate matter and nitrogen oxides. For this purpose, the prototype of a dust filter and a metering system and a corresponding process control are developed. The method is tested on a 120 kW grate firing boiler and the optimal process parameters and the achievable dust and NOx removal efficiencies are determined for the fuel straw.

Measures

  • development of the concept
  • test bench measurements
  • documentation and evaluation of the results

Focus

  • NOx, PM, SCR, straw combustion

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