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Ammonia mass balance
- 1. Unit 7 :
9 months operations
1,600 TPH condensate water
Inject with NH4OH 0.5 PPM
Total ammonia = 5.18 tons
Unit 78 – 55 tons (25 %)
Or
13.75 tons (100%)
Unit 7 :
RTS and Preservation
(0.3 + 0.2 = 0.5 tons)
Unit 8 :
RTS and Preservation
(0.3 + 0.2 = 0.5 tons)
ARP :
20 ton (12 %) for purification = 2.4 tons
ARP :
Loaded to Unit 3 : 5.7 ton (12 %) = 0.68
tons
ARP :
Loaded Unit 78 : 55.2 ton (12 %) = 6.62
tons
ARP :
Keep in the ammonia storage tank = 2
ton
Blow down, Shot blower, make up
= 10 TPH/unit
- Unit 7 (9 months ops) = 0.1 ton
- Unit 8 (10 months ops) = 0.1 ton
Unit 3 – 20 tons (25 %)
Or
5 tons (100%)
Unit 8 :
10 months operations
1,600 TPH condensate water
Inject with NH4OH 0.5 PPM
Total ammonia = 5.76 tons
Losses = 0.25 ton/year
(evaporation, unloading etc)
Unit 3 :
10 months operations
2,000 TPH condensate water
Inject with NH4OH 0.25 PPM
Total ammonia = 3.6 tons
Unit 3 :
RTS = 0.6 tons
Make up = 10 TPH
= 0.03 ton
Default in the system
= 0.5 tons
Losses = 0.25 ton/year
(handling in drum, evaporation,
unloading etc)
Effluent ammonia : 4 ppm @ 612,000 m3
= 2.5 tons
Default in the system U78
= 0.8 tons
