Which measure is most effective for controlling particulate emissions from a process furnace at their origin?
Correct answer: A. Using cleaner fuel or improving combustion
- A. Using cleaner fuel or improving combustion
- B. Increasing the stack height
- C. Diluting the exhaust with outdoor air
- D. Releasing emissions during windy weather
Explanation
Cleaner fuel and improved combustion reduce pollutant formation at the source, which is generally more effective than dispersing pollutants after they are produced. A taller stack changes dispersion but does not reduce the total emitted mass.
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Environmental engineering examines water supply, water quality, treatment processes, wastewater collection and treatment, solid waste management, air pollution and public health protection. It covers sedimentation, coagulation, filtration, disinfection, biological treatment and disposal methods, while distinguishing drinking-water treatment from sewage treatment and BOD from COD.
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