1. R J Farrauto, C H Bartholomew. Fundamentals of Industrial Catalytic Processes. London: Blackie, 1997, pp580-666.
2. Recycle rinse water: problems and opportunities
3. N -Y Topsoe. Infrared Spectroscopic Investigation on Environmental DeNOx and Hydrotreating Catalysts. Lyngby, Denmark: Haldor Topsoe Res Lab. 1998. pp121-210.