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Heavy HDS POV (DD) > POV Review Lesson 1 > Flashcards

POV Review Lesson 1 Flashcards

1
Q

What are the inputs for HDS Heavy Complex?

A

1) Hydrogen
2) Lean Amine
3) Condensate (Waste Water)
4) 736/737 Coker LGO (Light Gas Oil)
5) 536 Crude unit AGO (Atmospheric Gas Oil)
6) 536/537 Crude unit Diesel
7) 732 FCCU LCO (Lt cycle Oil) [straight & undercut]
8) 736/737 Coker HGO (Heavy Gas Oil)
9) 537 Crude unit MVGO (Medium Vacuum Gas Oil)
10) 536/537 Crude unit LVGO
11) 536/537 Crude unit HVGO
12) 533 Crude Unit LGO
13) Low-sulfer Diesel
14) Cold Feed
15) 537 Crude unit AGO
16) Low Line Gas
17) High Line Gas
18) Lean Custic
19) 736/737 Coker Dry Gas
20) Treated Fuel Gas

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2
Q

What Catalysts are used on Heavy HDS?

A

1) Nickel Molybdenum

2) Cobalt Molybdenum

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3
Q

What chemicals are used on Heavy HSD?

A

Corrosion Inhibitor

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4
Q

What is produced (output) from Heavy HDS?

A

1) Crips
2) Naphtha
3) Vent Gas
4) Kerosene
5) Sour Water
6) Rich Amine
7) Recycle Hydrogen
8) Low/Ultra-low Sulfer Diesel
9) Hydrotreated FCCU Feed
10) Unstabilized Naphtha
11) Diesel
12) Fuel Gas
13) Treated Fuel Gas
14) LPG (Liquefied Petroleum Gas)
15) Rich Caustic
16) Lean Fuel Gas

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5
Q

What utilities are required by Heavy HDS unit?

A

1) 550-psig Steam
2) 125-psig Steam
3) Boiler Feed Water
4) Electricity
5) Nitrogen
6) Plant Air
7) Instrument Air
8) Fuel Gas
9) Natural Gas
10) Cooling Water
11) Clarified Water
12) Drinking Water
13) Fire Water
14) Utility Water
15) Stripped Sour Water

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6
Q

What utilities are produced by Heavy HDS unit?

A

1) 550-psig Steam
2) 125-psig Steam
3) 20-psig Steam

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7
Q

The 633 plant reduces sulfur content by adding hydrogen to what feed?

A

1) 536 Crude unit AGO
2) 537 Crude unit LVGO
3) 732 FCCU LCO
4) 736/737 Coker LGO
5) 536/537 Crude unit Diesel
6) 636 HDS Low Sulfer Diesel

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8
Q

633 unit feed streams ad hydrogen react over fixed catalyst beds to produce what?

A

1) Naphtha
2) Kerosene
3) Low/ultra Low-Sulfur Diesel
4) Hydrogen sulfide (H2S)
5) Ammonia (NH3

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9
Q

Heavy HDS units use lean amine to remove?

A

H2S

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10
Q

Heavy HDS units remove NH3 Salts out of the hydrogen stream how?

A

Condensate

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11
Q

NH3 leaves Heavy HDS unit with?

A

Sour Water

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12
Q

633 non-condensable vent gas is sent where?

A

Plant low pressure gas gathering line (Low Line)

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13
Q

634 HDS system reduces the amount of sulfur and nitrogen by adding hydrogen to which feeds?

A

1) Cold feed
2) 736/737 Coker HGO
3) 537 Crude unit MVGO
4) 536/537 Crude unit HVGO
5) 536/537 Crude unit LVGO

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14
Q

634 What is produced by hydrogen, a fixed bed of catalyst and the 634 feed streams?

A

Hydrotreated FCCU Feed (Gas Oil)
Hydrogen Sulfide (H2S)
Ammonia (NH3)

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15
Q

634 generates what byproducts?

A

1) Sour Water
2) Rich Amine
3) Drips
4) Recycled Hydrogen

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16
Q

634 Non-condensable vent gas is sent to?

A

Plant High Pressure gas gathering line (High Line)

17
Q

635 system reduces the amount of sulfur and nitrogen in the following streams by adding hydrogen to what feeds?

A

1) 736/737 Coker LGO
2) 533 Crude unit LGO
3) 537 Crude unit LVGO
4) 536/537 Crude unit Diesel
5) 636 HDS Low-sulfur Diesel
6) 732 FCCU LCO (straight & undercut)

18
Q

The feed streams and hydrogen react over catalyst beds to produce?

A

1) Low Sulfur Diesel
2) Ultra-Low Sulfur Diesel
3) Unstabilized Naphtha
4) Hydrogen Sulfide (H2S)
5) Ammonia (NH3)

19
Q

635 HDS system generates what byproducts?

A

1) Sour Water
2) Rich Amine
3) Drips
4) Recycle hydrogen

20
Q

Non-condensabl vent gas is sent to?

A

Plant low pressure gathering line (Low Line)

21
Q

636 reduces the amount of sufer and nitrogen in what feeds streams?

A

1) Cold Feed
2) 732 FCCU LCO
3) 736/737 Coker HGO
4) 537 Crude unit AGO
5) 537 Crude unit MVGO
6) 536/537 Crude unit HVGO

22
Q

636 feeds streams and hydrogen react over fixed catalyst beds to produce?

A

1) Diesel
2) Unstabilized Naphtha
3) Fluid Catalyst Cracking Unit Feed (FCCU Feed)
4) Hydrogen Sulfide (H2S)
5) Ammonia (NH3)

23
Q

636 HDS system generates what by products?

A

1) Sour Water
2) Rich Amine
3) Fuel Gas
4) Recycle Hydrogen

24
Q

Non-condensable ent gas is sent to?

A

Plant Low Pressure gas gathering line (Low Line)

25
Q

230 as Plant system compresses low pressure gas from the refinery low-pressure gas line (Low Line). True or False?

A

True

26
Q

230 gas plant compresses the low pressure gases from what unit in Heavy HDS and Light HDS?

A

1) 534 Depentanizer
2) 630
3) 631
4) 633
5) 635
6) 636
7) 733 LEF
8) 734 Depentanizer

27
Q

230 gas plant system receives high pressure gas from which Heavy and Light HDS units?

A

1) 231 LPG
2) 233 BRU
3) 632 HDS
4) 634 HDS
5) 637 HDS
6) 735 Unifiner

28
Q

230 gas plant releases non-condensables as treated fuel gas feed to where?

A

236 Gas plant

29
Q

230 gas plant releases non-condensables as fuel gas to?

A

Refinery Utilities

30
Q

230 gas plant releases what?

A

1) Sour Water
2) Rich Amine
3) Drips

31
Q

236 gas treating and recovery system receives and compresses treated fuel gas from?

A

230 gas plant

32
Q

236 gas treating and recovery system receives dry gas from?

A

736/737 Coker units

33
Q

236 gas treating ans recovery system produces what streams?

A

1) Treated Lean Fuel Gas

2) Liquified Petroleum Gas (LPG - C+material)

34
Q

236 compressed gas removes sulfur compounds with?

A

1) Lean Amine

2) Lean Caustic

35
Q

236 compressed gas is chilled to remove?

A

LPG

36
Q

236 the lean fuel gas is exported for what?

A

For Sale

37
Q

LPG is sent for further processing. True or False

A

True

38
Q

236 Gas Treating and Recovery System releases what byproducts?

A

1) Sour Water
2) Rich Amine
3) Rich Caustic
4) Drips
5) Vent Gas

Heavy HDS POV (DD) (3 decks)

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