AMMONIA INJECTION

Question 1

Ammonia vapor, when mixed with air at a concentration of 15% to 28% gaseous ammonia by volume, is ________________. (Ref: 1.4.1 AIS SD)

Answer 1

Flammable

Question 2

When the aqueous ammonia is pumped from the tanker truck to the storage tank, ammonia vapor is displaced as the tank is filled. This vapor is directed to the ____________________. (Ref: 3.1.2 AIS SD)

Answer 2

vapor space of the tanker truck

Question 3

The three 100% aqueous ammonia pumps utilize ________________ to eliminate potential external seal leakage. (Ref: 3.3.2 AIS SD)

Answer 3

magnetic couplings

Question 4

For the aqueous ammonia to be injected into the exhaust stream, it must be vaporized from the liquid state and diluted with air, this is accomplished with the ____________. (Ref: 3.4.2 AIS SD)

Answer 4

ammonia process control unit

Question 5

The required flow rate of ammonia will vary based on _______________. (Ref: 4.0 AIS SD)

Answer 5

combustion turbine firing rates and the desired NOx reduction