Keywords: Nitric acid, Tailgas, Energy efficiency.
Contents:
Energy improvement.
– Extensive utilisation of waste heat.
– – Plants and catalytic tailgas improvement.
– – Plants with alkaline tailgas improvement.
– Additional gas cooling in dual pressure process.
– Steam turbine application and utilisation of condensation heat.
– Modification of old plant.
Absorption improvement
– Dual pressure plants
– Tailgas purification by means of catalytic waste gas treatment for medium pressure plants.
New developments
W Freitag and R Maurer, Uhde GmbH, FR Germany.
14 Pages, 4 Figures, 1 Table.