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

Chapter 3N 2 O emission levelProcess typekg/tonne 100 %HNO 3ppmvRemarkReferenceWith NSCR 300Variation within a campaignuntil gauze exchange5.6 – 9 900 – 1500With medium pressure burner.Correlating with N 2 O yield of 1.5 – 2.5 %[96, Maurer and Groves, 2004]All plants 1.9 – 21.6 300 – 3500 [102, EFMA, 2000]Norsk Hydro 2.5 400 Modern integrated plantLow pressure oxidation 4 – 5 650 – 810Medium pressure oxidation 6 – 7.5 970 – 1220EU designed dual pressureplants8 – 10 1300 – 1620[86, IPCC, 2000]A few, outdated plants 10 – 19 1620 – 308019 Yara plants 3 – 9 490 – 1500Atmospheric plants 5 810Medium pressure oxidation 7 1140[80, Jenssen, 2004]High pressure plants 5 – 9 810 – 1500EU average 6 970Depending on the processconditions3.1 – 12.3 500 – 2000 [98, ADEME, 2003]EU representative level 6 – 8 970 – 1300 [99, IRMA, 2003]EU average 7 1140 [87, infoMil, 2001]Dual M/H plant 0.12 – 0.25 20 – 40Combined tail gas abatement system since2003[100, AMI, 2006]Large Volume Inorganic Chemicals – Ammonia, Acids and Fertilisers 103