Johnson Matthey SEC is a world leader in the manufacture of catalysts and catalytic emission control systems to reduce air pollution from stationary and non-road sources of emissions. Johnson Matthey air pollution solutions include:

  • Oxidation catalysts and catalytic converters for control of CO and VOCs from industry and power generation
  • Three-way catalysts and catalytic converters for control of NOx, CO and VOCs from rich-burn engines
  • SCR catalysts and systems for control of NOx from coal-fired power plants, waste incineration facilities, manufacturing plants, engines and turbines, and marine power sources 
  • Diesel Particulate Filter Systems for control of diesel PM from stationary engines and non-road machines


There is a Johnson Matthey catalytic solution to control air pollution from almost every stationary emission source for cleaner industry, cleaner energy and cleaner air.