select your language  > Products / Services > Treatment of Off-Gases for municipal facilities Treatment of Off-Gases for municipal facilities: Activated carbon filtration Gas scrubber Ammonium Elimination Catalytic oxidation Thermal oxidation Regenerative oxidation Activated Low Temperature Catalysis Bio-filter All processes can also be utilised in related fields and industries. Ask our qualified engineers to advise you. © 2013 Villiger-     Systemtechnik AG     Download our flyer here.