Which of the following steps is NOT involved in the waste-to-energy (WTE) process?A. Recyclables are removed before burning.B. Size of the waste particles is reduced to 6 inches or less by shredders.C. Metals could be recovered from the bottom ash.D. Combustion gases are disinfected by UV light before discharge.E. Fly ash & bottom ash are taken to the landfills
Question
Which of the following steps is NOT involved in the waste-to-energy (WTE) process?A. Recyclables are removed before burning.B. Size of the waste particles is reduced to 6 inches or less by shredders.C. Metals could be recovered from the bottom ash.D. Combustion gases are disinfected by UV light before discharge.E. Fly ash & bottom ash are taken to the landfills
Solution
The step that is NOT involved in the waste-to-energy (WTE) process is D. Combustion gases are disinfected by UV light before discharge. In the WTE process, combustion gases are typically cleaned of pollutants, but not disinfected by UV light. This step is more common in water treatment processes, not waste-to-energy processes.
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