Waste Incineration

Question 1

3 T’s of combustion

Answer 1

1. Turbulence
2. Temperature
3. Time

Question 2

Incineration

Answer 2

• Energy recovery through complete oxidation

- refuse derived fuels

Question 3

Gasification

Answer 3

• heating in the absence of oxygen

- conversion of solids into combustible gases

Question 4

Waste incineration advantages

Answer 4

1. volume and weight reduction (approximately 90%)
2. destruction in seconds
3. air discharges can be controlled
4. cost can be offset by heat recovery/sale of energy

Question 5

Waste incineration disadvantages

Answer 5

1. High capital cost
2. Skilled operators are required
3. Air contaminant potential (dioxin, mercuric compounds)
4. Public disapproval - decreased property value