Since 1980 Steuler has been developing and installing SCR- and oxidation catalysts. These catalysts are suitable to recover the pollutants such as NOx, CO, CxHy and dioxins into the naturally occuring compounds of the atmosphere like nitrogen, water and carbon dioxide. No residual materials result with that and the used catalysts are taken back by Steuler and are recycled and re-used for the manufacturing of new catalysts.

SCR-catalysts on zeolite basis for the reduction of NOx with urea or ammonia as reducing agent. Dioxins and furans are decomposed during the same process stage.

Oxidation catalysts for the catalytic combustion of CO and CxHy to CO2 and water.