Additive for cleaning SCR systems
AssigneeTunap GmbH & Co. KG
InventorsVolker Knöthig, Alex Lange, Sergej Pawlitschek
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Abstract
The present disclosure relates to the use of a polar solvent as an additive to a solution containing a component that releases ammonia at above 200° C. for the removal of deposits or impurities in a selective catalytic reduction system, wherein the polar solvent has a boiling point at 101.3 kPa of at least 140° C. The present disclosure further relates to a method of removing deposits or impurities in a selective catalytic reduction system and a method of operating a selective catalytic reduction system.
Claims16
A method of using a polar solvent as an additive to a solution containing a component that releases ammonia at above 200° C. for removing deposits or impurities in a selective catalytic reduction system, wherein the polar solvent has a boiling point at 101.3 kPa of at least 140° C.
A method of removing deposits or impurities in a selective catalytic reduction system, the method comprising:
- operating the system with a solution containing a component that releases ammonia at above 200° C., the solution further containing a polar solvent having a boiling point at 101.3 kPa of at least 140° C.
Dependencies are inferred from the claim text.