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GAS
TREATING |
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Module
I. Contactors |
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Module
II. Strippers |
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Module
III. Indirect Fired Heaters |
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Module
IV. Glycol Dehydration |
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Module
V. Amine
Sweetening Process |
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Module
I. Contactors |
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I. Construction
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II. Principles
Of Operation
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A.
Flow Description
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B.
Principles of Operation
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C.
Tray Efficiency
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D.
Solution Temperature Rise
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E.
Burping or Puking
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F.
Carryover
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III. Application
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A.
Gas Dehydration
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B.
Gas Sweetening
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IV. Operation
And Control
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A.
Start-Up Procedure
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B.
Shutdown Procedure
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C.
Routine Operation
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D.
Control
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1.
Inlet Separator Level Control
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2.
Lean Solution Flow Control
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a.
Glycol Contactor
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b.
Amine Contactor
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3.
Lean Solution Temperature Control
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4.
Bottom Level Control
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V. Troubleshooting
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A.
Procedure When Outlet Gas Contains Excessive Amount of Component,
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B.
Foaming or Carryover
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C.
Excessive Corrosion
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MODULE
II. Strippers |
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I.
Process Flow |
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A. Flow at Stripper in Gas
Sweetening Plant |
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B. Flow at Stripper in Gas
Dehydration Plant |
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II.
Description Of Equipment |
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A. Gas Sweetening Plant |
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1. Tower. |
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2. Reboiler |
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3. Reflux Facilities |
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4. Lean–Rich Solution
Exchanger |
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B. Gas Dehydration Plant |
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III.
Principles Of Stripping |
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A. Design of Stripper |
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B. Burping or Puking |
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C. Carryover |
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D. Reflux |
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1. Reflux Flow in Gas
Sweetening Stripper |
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2. Reflux Flow in Gas
Dehydration Stripper |
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E. Process Heat |
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1. Leak in Lean–Rich
Solution Exchanger |
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F. Stripping Gas Flow |
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1. Gas Sweetening Plant |
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2. Glycol Dehydration Plant |
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IV. APPLICATION |
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V.
Operation And Control |
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A. Start–Up and Shut Down |
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B. Routine Operating Checks |
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1. Gas Sweetening Plant |
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2. Glycol Dehydration Plant |
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C. Control of Stripper |
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1. Gas Sweetening Plant |
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2. Glycol Dehydration Plant |
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VI.
Troubleshooting |
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A. Excessive Residual
Component in Lean Solution |
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B. Foaming or Carryover |
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C. Reboiler Will Not Supply
Enough Heat |
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D. Leak in Reboiler |
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Back To Top Page |
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MODULE
III. Indirect Fired Heaters |
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I.
Description
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A.
Fire tube
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B.
Burner
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C.
Stack
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D.
Pilot Burner
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E.
Fuel Control System
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F.
Accessories
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1.
Fuel Gas Scrubber
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2.
Fuel Gas Heating Coil
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3.
Flame Ignition System
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4.
Flame Arrester
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5.
Stack Arrester
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II. Principles Of Operation
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A.
Gas Combustion
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B.
Heat Transfer
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III. Application
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IV. Operation
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A.
Start-Up Procedure
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B.
Shutdown Procedure
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C.
Routine Operation
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D.
Control
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1.
Fuel Rate to Burner
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2.
Air Flow to Burner
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V. Troubleshooting
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A.
Heater Will Not Supply its Rated Heat Output
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B.
Frequent Flameout
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C.
Frequent Fire tube Failure
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VI. Safety Devices
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A.
High Liquid Temperature
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B.
Low Level Shutdown
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C.
Flameout Shutdown
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D.
High Stack Temperature Shutdown
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E.
High or Low Fuel Pressure Shutdown
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Back To Top Page |
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MODULE
IV. Glycol Dehydration |
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Introduction
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I.
Flow Description
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II.
Equipment
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A.
Contactor
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B.
Flash Tank
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C.
Filter
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D.
Stripper or Still
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1.
Stripping Gas
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2.
Stripping Liquid
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E.
Surge Tank
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F.
Exchangers
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G.
Pump
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H.
BTEX Removal Facilities
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III.
Application Of Glycol Dehydration
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IV.
Control Of Dehydration Plant
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A.
Moisture Content of Gas
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B.
Dew Point
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C.
Hydrate
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D.
Glycol Flow Rate to Contactor
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E.
Glycol Concentration
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F.
Other Control Points
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V.
Operation
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A.
Start-Up
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B.
Routine Operation
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C.
Shut Down
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IV.
Troubleshooting
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A.
Foaming
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B.
Burping
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C.
Corrosion
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D.
High Moisture Content of Outlet Gas |
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Back To Top Page |
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MODULE
V. Amine Sweetening Process |
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I.
Flow And Equipment Description
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A.
Inlet Separator
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B.
Contactor
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C.
Flash Tank
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D.
Filter
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E.
Solution Heat Exchanger
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F.
Stripper
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G.
Surge Tank
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H.
Solution Pump
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I.
Lean
Solution Cooler
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II.
Principles Of Sweetening With Amine Solution
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A.
Acid Gas Pick-Up in Contactor
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Effect of Solution Purity on Acid Gas Pick-Up
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Effect of Solution Flow Rate on Acid Gas Pick-Up
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Effect of Contactor Pressure on Acid Gas Pick-Up
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Effect of Contactor Temperature on Acid Gas Pick-Up
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B.
Principles of Stripping Acid Gas From Rich Solution
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C.
Amine Solution Concentration
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D.
Amine Loss From System
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III.
Corrosion
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IV.
Application
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V.
Operation
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A.
Start-Up
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B. Routine Operation
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C. Shut Down
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VI.
Control
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A.
Maximum Limits of Acid Gas in Outlet Gas Stream
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B.
Solution Concentration Control
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C.
Corrosion Control
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D. Other Control Points
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E. Control for Minimum Stripper Reboiler Heat
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F. Summary of Control
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VII.
Troubleshooting
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A.
Foaming in Contactor
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B. Foaming in Stripper
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C. High Acid Gas in Treated Gas
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D. High Heat Input to Stripper Reboiler
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Back
To Top Page |
