Value of Peclet number = 0, is the representative of

Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Plug flow

Laminar flow

Eddy diffusivity = 0

Complete back mixing

Plug flow

Laminar flow

Eddy diffusivity = 0

Complete back mixing

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Process Equipment and Plant Design
A claming section before the liquid flows into the downcomer is privided to

Cool the liquid before it flows down

Reduce the discharge fluctuation

Permit release of entrained vapour in the liquid

Ensure better vapour-liquid contact

Cool the liquid before it flows down

Reduce the discharge fluctuation

Permit release of entrained vapour in the liquid

Ensure better vapour-liquid contact

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

Skirt clearance for bubble caps

All of these

Downcomer liquid seal in case of a balanced tray design

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)

Skirt clearance for bubble caps

All of these

Downcomer liquid seal in case of a balanced tray design

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Large reflux ratio

Low gas velocity

Large plate spacing

Resistance offered to flow of liquids by caps & risers and the flow of gas

Large reflux ratio

Low gas velocity

Large plate spacing

Resistance offered to flow of liquids by caps & risers and the flow of gas

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Process Equipment and Plant Design
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

5-7.5

15-20

2.5-3.0

10-12.5

5-7.5

15-20

2.5-3.0

10-12.5

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Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

1/S₁.S₂

S₁/S₂

S₁.S₂

S₂/S₁

1/S₁.S₂

S₁/S₂

S₁.S₂

S₂/S₁

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Process Equipment and Plant Design

Process Equipment and Plant Design Value of Peclet number = 0, is the representative of

Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to

Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design Liquid gradient over the tray results due to the

Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Process Equipment and Plant Design
A claming section before the liquid flows into the downcomer is privided to

Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Process Equipment and Plant Design
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.

Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)