T4: INERT GAS SUPPLY SYSTEM (NITROGEN)

State TWO (2) physical properties of nitrogen.

• reactive at room temperature

• colorless, tasteless and odorless

• cryogenic

Answer explanation

Nitrogen are NON-REACTIVE at room temperature

TWO (2) application of Nitrogen in industry.

• GC

• HABER PROCESS

• LPG

• FTIR

Answer explanation

1. Haber process to produce ammonia

2. Nitrogen used as carrier gas in GC (gas chromatography)

Pick the correct method to produce nitrogen?

• CRYOGENIC AIR SEPARATION

• PRESSURE SWING ADSORPTION

• MEMBRANE SEPARATION

• FRACTIONAL DISTILLATION

Answer explanation

Hollow fiber polymer membranes used to separate gaseous nitrogen from air by selective permeability.

Pick the correct method to produce nitrogen based on the PFD.

• CRYOGENIC AIR SEPARATION

• PRESSURE SWING ADSORPTION

• MEMBRANE SEPARATION

• FRACTIONAL DISTILLATION

Answer explanation

This separation process is based on the fact that they change from a liquid to a gas at different temperatures

Pick the correct method to produce nitrogen?

• CRYOGENIC AIR SEPARATION

• PRESSURE SWING ADSORPTION

• MEMBRANE SEPARATION

• FRACTIONAL DISTILLATION

Answer explanation

Oxygen molecules are adsorbed into the pores, while the larger nitrogen molecules can pass through it.