Emission products
Combined heat and power plants
Combined heat and power plants are the backbone of the energy revolution. If wind and solar power fail, they are switched on to cover the residual load. Emission Partner manufactures catalysts not only for cogeneration plant manufacturers, but also for operators of cogeneration plants who have to retrofit due to increased legal requirements.
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The regulation for emission levels from combined heat and power plants might vary depending on the country, legislation in the particular country and regulations of a local council.
In Germany, as example, the so-called TA Luft regulates emission levels for a particular segment.
Oxidation catalysts are used to reduce the level of CO and formaldehyde emissions (HCHO). The catalytic performance depends on different parameters, like gas temperature, pressure, impurity level. Some gases, like landfill gas, contain a variety of catalysts poisons, like H2S or siloxanes.
To make sure that the catalyst will achieve a certain life time and performance it is important to purify the gas up-stream of the engine, e.g.by activated carbon.
Oxidation catalysts reduce also the content of the remaining hydrocarbons in the exhaust gases.
The oxidation catalysts might have a ceramic or metallic matrix impregnated by an active component like Platinum or Palladium.
A metallic matrix is usually round with a higher cell density, e.g 200 cells per square inch compared to a ceramic one, enabling one to reduce the needed catalyst volume for an effective performance.
For NOx reduction two different types of catalysts might be used:
For engines working with a stoichiometric volume air/fuel, corresponding to Lambda 1, three-way-catalysts can be used. Usually, these engines have a lower power range.
For engines working with a high air to fuel ratio, SCR catalysts are used. For the reduction of NOx injection of urea into the exhaust gas stream is than needed.
For diesel engines sometimes additionally a diesel particle filter might be needed. The name “Filter” is a bit misleading – Emission Partner offers filters with Platinum as active component, which oxidizes the particles of the soot.
Sale
Emission Partner GmbH & Co. KGKarl-Wiechert-Allee 66
30625 Hanover
Phone: +49 4498 92 326 – 26
Fax: +49 4498 92 326 – 112
Production
Emission Partner GmbH & Co. KGIndustriestraße 5
26683 Saterland-Ramsloh
Phone: +49 4498 92 326 – 0
Fax: +49 4498 92 326 – 112