Large Volume Inorganic Chemicals - Ammonia ... - ammk-rks.net

Chapter 9ParameterWaste water emission levelsWaste water volume 6 m 3 /hour 0.24 m 3 /t N xTotal N (NH 3 -N + NO 3 -N) 16 kg/d 0.026 kg/t N xx calculation based on the production capacity of 612 tonnes N/day (corresponding to the production capacity of 1800 tonnes/day ofAN and an N content of 34 % in the ANTable 9.5: Waste water emission levels from the AN pressure neutralisation at AMI, Linz[9, Austrian UBA, 2002]PlantAmount(m 3 /hour)Specific emission (1)N-emission g/m 3 g/tonne CANDSMKj-N 8.4 – 11.7 (167) 2.5 – 3.4 (49)37 (5) NO - 3 as N 33.8 – 67.5 (225) 9.9 – 19.8 (66)Geleen (3) Kj-N 1 – 1.4 (20) 0.08 – 0.11 (1.6)10 (4) NO - 3 as N 16.5 – 33 (110) 1.3 – 2.6 (8.8)KemiraRozenburgKj-N20 (2) NO 3 - as NFigures in brackets are levels before treatment(1) Calculations based on a continuous process (± 8640 hours/year)(2) Including cooling water(3) Discharge to WWTP(4) Waste water discharged from the cooling water system(5) Process condensate + scrubber waterTable 9.6: Emissions to water of DSM Geleen and Kemira Rozenburg for the production of AN-based fertilisers[52, infoMil, 2001]Large Volume Inorganic Chemicals – Ammonia, Acids and Fertilisers 373