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Heavy HDS-POV (Michelle Yaniec) > About the process > Flashcards

About the process Flashcards

1
Q

What are the 633 HDS inputs?

A 
Hydrogen
Lean Amine
Condensate
736/ 737 Coker LGO (Light Gas Oil)
537 Crude Unit LVGO (Light vaccume gas oil)
536/ 537 Crude Unit Diesel
636 HDS low- sulfur diesel
732 Fccu LCO (straight and undercut)
*536 Crude Unit AGO (Atmospheric Gas Oil)
  • different then 635 imputs
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2
Q

What are the 633 HDS outputs?

A 
Drips
Vent Gas
Sour water 
Rich Amine
Recycle Hydrogen
Low/ Ultra low- sulfur Diesel
*Naphtha
*Kerosene
  • different then 635 outputs
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3
Q

What are the 635 HDS inputs?

A 
Hydrogen
Lean Amine
Condensate
736/737 Coker LGO (Light Gas Oil)
537 Crude Unit LVGO (Light Vaccum gas Oil)
536/537 Crude Unit Diesel
636 HDS Low Sulfur Diesel
732 FCCU LCO (straight and undercut)
*533 Crude LGO (Light gas oil)
  • different then 633 imputs
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4
Q

What are the 635 HDS outputs?

A 
Drips 
vent gas 
sour water
rich amine
recylce hydrogen
Low/Ultra low-sulfur diesel
*Unstablized naphtha
  • different then 633 outputs
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5
Q

What are the 634 HDS inputs?

A

Hydrogen
Lean Amine
Condensate
Cold Feed
736/737 Coker HGO (heavy gas oil)
537 Crude Unit MVGO (Medium Vaccum Gas Oil)
536/537 Crude unit HVGO (Heavy Vaccum gas oil)
*536/537 Crude unit LVGO (Light Vaccum Gas Oil)

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6
Q

What are the 634 HDS Outputs?

A 
Drips
Vent Gas
Sour water
Rich Amine
Recycle Hydrogen
Hydrotreated FCCU feed
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7
Q

What are the 636 HDS inputs?

A

Hydrogen
Lean Amine
Condensate
Cold Feed
736/737 Coker HGO (Heavy Gas Oil)
537 Crude Unit MVGO (Medium Vaccum Gas Oil)
536/537 Crude unit HVGO (Heavy Vaccum Gas Oil)
*537 Crude Unit AGO (Atmospheric Gas Oil)

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8
Q

What are the 636 HDS outputs?

A 
Vent Gas
Sour water 
rich amine
recycle hydrogen
Hydrotreated FCCU Feed
* Diesel
* Fuel Gas
* Unstablized Naphtha
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9
Q

What are the 230 Gas Plant System Inputs?

A

Lean Amine
Low Pressure gas (Low Line)
High Pressure gas (high line)

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10
Q

What are the 230 Gas Plant System Outputs?

A 
LPG
Drips
Vent gas
Sour Water
Rich Amine
Rich Caustic
Lean Fuel Gas
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11
Q

What are the Six Functional systems in the Heavy HDS?

A 
633 HDS system
634 HDS system
635 HDS system
636 HDS system
230 Gas Plant System
236 Gas Plant System
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12
Q

What are the Catalysts?

A 
Nickel Molybdenum (NiMo)
Cobolt Molybdenum (CoMo)
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13
Q

What Utitilites are Required?

A 
550-psig steam
125-psig steam
boiler feed water
cooling water
clarified water
drinking water
fire water
utility water
stripped sour water
Electricity 
Nitrogen 
Plant air
Instrument air
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14
Q

What Utilities are produced?

A

550-psig steam
125-psig steam
20-psig steam

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15
Q

What Chemical(s) are required?

A

Corrosion inhibitor

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16
Q

What does the 633 HDS system do?

A

Reduces the amount of sulfur and nitrogen in the input feed streams by adding Hydrogen

17
Q

In 633 HDS, how are the following produced:

  • naphtha
  • kerosene
  • low/ultra low-sulfur diesel
  • Hydrogen sulfide (H2S)
  • Ammonia (NH3)
A

The feed streams and the hydrogen react over a fixed catalyst bed to produce:

  • naphtha
  • kerosene
  • low/ultra low-sulfur diesel
  • Hydrogen sulfide (H2S)
  • Ammonia (NH3)
18
Q

In the 633 HDS system, what is used to remove H2S?

A

Lean amine

19
Q

In the 633 HDS system, what does condensate remove?

A

Ammonia salts out of the hydrogen stream

Heavy HDS-POV (Michelle Yaniec) (7 decks)

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