3R-Recent Developments in DeNOx control

Abstract

In response to tightening environmental and legislative pressures, Pilkington has developed a unique technology for the reduction of NO x emissions from most glass melting furnaces, including float glass. The technology, called 3R (Reaction and Reduction in Regenerators), has been successfully demonstrated on several types of glass furnace, ranging in output from 500 to 5000 tonnes/week. The results of extensive trials show that this technology is able to achieve the highest environmental standards, but at considerably lower overall costs than any competing process. This paper outlines both the theoretical and practical aspects of this patented technology and compares it with the main alternatives-selective catalytic reduction and oxy-fuel firing.