Sulphur Dioxide and Nitrogen Oxides in Industrial Waste Gases

D. VAN VELZEN Commission of the European Communities, Joint Research Centre Ispra, Environment Institute, 1-21020 Ispra (Varese) ITAL Y 1. Introduction Worldwide, there is an ever increasing interest and concern about the destructive effects of air pollution on man''s ecosystem. The growing awareness of these effects has revealed the need to take adequate measures to minimize the emission of air p...