Gas Treatment Plant. Chris, Stephanie, Mariam, Kyle Mentor: Jerry Palmer. Report Outline. Previous Questions Block Flow Diagram Detailed PFD's (stream #, components, P&T) for each process Energy sinks/loads, Equipment sizing, Cost in Aspen estimator for one process -- Hydrocarbon recovery.
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Gas Treatment Plant
Chris, Stephanie, Mariam, Kyle
Mentor: Jerry Palmer
1. Sending 97% Nitrogen and 3% methane from Nitrogen rejection stream to NH3 plant.
2.Using thermal swing adsorber instead of a pressure swing adsorber.
To prevent the loss of feed gas in the bed during depressurization and also,the short time cycle in PSA can cause rapid re-pressurization that will lead to transient variation in the feed and product flow which will affect the operation of the plant
3. Using only one turboexpander for Hydrocarbon recovery.
Midrex : 103 kmol/day (Transfer Cost)
Syn Gas:111 kmol/day (Transfer Cost)
Nh3 PLant : 50.4 kmol/day (Transfer Cost)
CHP :195.4 kmol/day (Transfer Cost)
Pipeline:4.8 kmol/day ($3.80/MSCFD)
LNG: 5000 BBL/day ($10.40/BBL)
NGL: 48990 BBL/day (~$22/BBL)
Total equipment cost for one Demethanizer Column:
Aspen Estimate-Demethanizer in Hydrocarbon Recovery
Heating = 1.7MMBTU/HR
Compression = 880HP
Heating = 44.6MMBTU/HR
Refrigeration = 58 MMBTU/HR
Q & A