For cleaner world, boilers go dirty. To reduce unwanted emissions, fossil fuels are today increasingly replaced by renewable biomass. This carries to combustion process a lot of impurities like chlorine, which promotes severe boiler corrosion by a catalytic process called active oxidation. This challenge is usually approached by reducing the boiler temperature, which leads to lower efficiency, or by adding significant amounts of coal or peat to the fuel, which in turn reduce the renewable fraction and increase emissions.
As a part of the FIMECC’s DEMAPP program, VTT and Aalto University have developed novel prototype protective coatings against chlorine corrosion of biomass boilers. The laboratory scale test results appear highly promising, showing better resistance to hot chlorine atmospheres and salts than the conventional measures of protection. The new concepts will also be tested in real boilers by the industrial partners of the project.
This result, achieved by the MATEXON project, was selected as the Best Result in DEMAPP in 2010 at the Annual Seminar of the DEMAPP Program, arranged by Spinverse on the 21st of October in Innopoli Espoo. The seminar gathered together about 90 participants for active dissemination of recent results and building new cooperation links between the currently running 18 sub-projects.This activity was arranged in the form of Results Market Place (“selling and buying results”) including a speed-dating session, which facilitated fast and wide dissemination of relevant issues.
In addition, selected results were highlighted through short presentation by researchers. The day confirmed that DEMAPP is actively running and the target-oriented cooperation mode paves the way towards new exciting results.
DEMAPP is one of the six programs that FIMECC Ltd has started in 2009. FIMECC is the Finnish Metals and Engineering Cluster, one of Finland’s five new Strategic Centers of Excellence for science, technology and innovation (SHOKs).
DEMAPP aims to create profound understanding of wear and corrosion mechanisms in applications for process and energy industry and to develop novel production technologies and breakthrough materials with improved performance in extreme conditions. The program participants consist of several companies in the metals and engineering industry, their supplier and customer companies as well was the best research organizations in the field. Key emphasis is put on material and energy efficiency, sustainable life-cycle performance and safety aspects.
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