|
Technology: |
C & I Girdler, Monopressure, High Pressure Plant |
| Production Capacity: |
160 MTPD HNO3 expressed as 100% HNO3 |
|
Product Acid Concentration: |
56% |
|
Oxidation Pressure: |
9.5 bar abs |
| Oxidation Temperature: |
920 degC |
| Ammonia/air mix conc.: |
10.0% v/v |
| Absorption Pressure: |
8.0 bar abs |
| No. of Absorption columns: |
2, in series. Second column is a NOx recovery column with 15% weak acid as output which is then fed to the main Absorption column. |
| Steam Production for export: |
4.0 tonne/h, saturated at 17 bara, 200 degC |
| Ammonia Usage/t Acid @ 100: |
320-330 Kg/tonne HNO3 @ 100 |
| Electricity required/t Acid: |
175 KWh/tonne HNO3 @ 100 |
| Cooling Water requirements: |
1200 m3/h at 30 degC |
| Process Cooling required: |
52,700 KJ/h |
| Turbine train: |
Consists of 1 x ABB Gas Expansion Turbine with 2,800 KW output
plus 1 x Siemens Synchronous Motor Drive 1500 KW
plus 1 x Demag Turbo Compressor driven by combination of Gas Turbine & Synchronized Motor |
| Nox in Tail Gas: |
1200 ppmv. Presently, this is diluted in the exhaust stack to 300 ppmv |
| Ammonia Storage for NA Plant: |
1 x Liquid Ammonia Bullet, 20 tonne capacity at 32 degC, 12.5 bara |
| Land area occupied: |
40 meters x 30 meters, inclusive of control room |
|
Plant started: |
1975 |
|
Plant shut down: |
2005 |
