Module 6

Module 6 Nitrogen Oxide Control

Preliminaries ,[object Object],[object Object],[object Object],[object Object]

Module 5 Educational Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Review

Module 6 Educational Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives for Today

Clicker Question? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

…question? ,[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Thermal NOx formation ,[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Zeldovich Mechanism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Quiz Question? ,[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

The equation is … ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Chemical Equilibrium ,[object Object],[object Object],[object Object],x R + y S -> a P + b Q Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

NO formation kinetics ,[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Reaction Rate ,[object Object],[object Object],RATE = SPEED x R + y S -> a P + b Q Rate of generation of product P? Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Reaction rate ,[object Object],[object Object],[object Object],x R + y S -> a P + b Q Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

NO formation depends on Time and Temperature ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Fuel NO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Fuel-Nitrogen Chemistry Fast reactions Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Control ,[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Flue Gas Recirculation combustor Portion of exhaust gas recirculated useful work Cooled exhaust Fuel + air GOAL: Reduce Temperature Expensive to retrofit Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Off-Stochiometric Combustion GOAL: Reduce temperature and lower oxygen Fuel lean Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Question? ,[object Object],[object Object],[object Object],[object Object],Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Cost Effectiveness Learning Objectives Sources and effects Thermal vs. Fuel NOx Zeldovich Mechanism Fuel NO Control

Questions of the Davis book ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question ,[object Object],[object Object],[object Object],[object Object]

No free lunch ,[object Object],[object Object],[object Object]

Module 6

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