Gas treatment plant
This presentation is the property of its rightful owner.
Sponsored Links
1 / 21

Gas Treatment Plant PowerPoint PPT Presentation


  • 37 Views
  • Uploaded on
  • Presentation posted in: General

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.

Download Presentation

Gas Treatment Plant

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Gas treatment plant

Gas Treatment Plant

Chris, Stephanie, Mariam, Kyle

Mentor: Jerry Palmer


Report outline

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


Previous questions

Previous Questions

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.


Basis 310 mmscfd

Basis : 310 MMSCFD

Revenues

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)


Block flow diagram

Block Flow Diagram


Pfd 002

PFD-002


Pfd 003

PFD-003


Aspen estimate demethanizer in hydrocarbon recovery

Aspen Estimate-Demethanizer in Hydrocarbon Recovery

Size:

Tower:

  • Vessel Diameter: 8.5 ft

  • Vessel Height 66 ft

  • Liquid volume: 11,249.5 gallons

  • 33 Trays

  • 24 inches between trays

    Condenser:

  • Area: 22,980.6 ft^2

    Reboiler:

  • Area: 7,803.94 ft^2

  • Tube length: 20 ft

    Reflux Pump:

  • Liquid flow rate: 1808.3 GPM

  • Efficiency: 70


Aspen estimate demethanizer in hydrocarbon recovery1

Aspen Estimate-Demethanizer in Hydrocarbon Recovery

Equipment Cost:

  • Tower: $3,059,300

  • Condenser: $419,000

  • Reboiler: $268,000

  • Reflux Pump: $17,200

    Total equipment cost for one Demethanizer Column:

    $3,763,500


Aspen estimate demethanizer in hydrocarbon recovery2

Aspen Estimate-Demethanizer in Hydrocarbon Recovery

Energy:

  • Tower: 28.03 MMBTU/hr

  • Condenser: 22.7 MMBTU/hr

  • Reboiler: 5.3 MMBTU/hr

  • Reflux ratio: .35


Gas treatment plant

Aspen Estimate-Demethanizer in Hydrocarbon Recovery

Cost:

  • Total operation cost:

    19,031,900 $/year

  • Total capital cost:

    $12,567,400


Annotated equipment list

Annotated Equipment List


Energy loads and sinks

Energy Loads and Sinks

  • PFD-001: Compression = 6888 HP

    Heating = 1.7MMBTU/HR

  • PFD-002 and PFD-003: Estimated total of

    139MMBTU/HR

  • PFD-004:Air Cooling =3.4MMBTU/HR

    Compression = 880HP

    Heating = 44.6MMBTU/HR

  • PFD-005: Refrigeration = 56.3 MMBTU/HR

  • PFD-006: Heating = 8 MMBTU/HR

  • PFD-007: Compression = 1260 HP

    Refrigeration = 58 MMBTU/HR

  • PFD-008: Compression = 920HP


Major equipment costs

Major Equipment Costs

  • 6 molecular sieve Adsorbers installed

    $ 6,690,000

  • 24 Tray Nitrogen Rejection Column Installed $2,300,000

  • Absorbing and Stripping Columns for MDEA treatment, approximately 25 trays each intstalled

    $2,500,000


Gas treatment plant

Q & A


  • Login