Catalyst used in desulphurisation of naphtha is

'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.

A

Steam reforming

B

Distillation

C

Desulphurisation

D

None of these

Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?

A

1.5:1

B

3.5:1

C

10:1

D

15:1

Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.

A

Bauxite

B

Fuller's earth

C

Activated clay

D

All of the above

Catalyst used in steam reforming of naphtha is

A

Nickel

B

Platinum

C

Silica gel

D

Rhodium

Desulphurisation of petrol is done in a

A

Bollman extractor

B

Rotating disc extractor

C

Packed extraction column

D

Plate type extraction column

In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen

A

Enhances the desulphurisation process

B

Minimises coke formation

C

Both A & B

D

Neither A nor B

Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

A

Conical

B

Flat

C

Floating

D

Fixed

C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about

A

2

B

6

C

13

D

20

Naphtha in a fertiliser plant is used as a source of

A

Fuel

B

H₂

C

N₂

D

O₂

Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is

A

Propane

B

Diethylene glycol

C

Aqueous solution (10% water) of diethylene glycol

D

Methyl ethyl ketone (MEK)

Catalyst used in desulphurisation of naphtha is

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