Environmental Engineering - Air Pollution Control

Column I presents common air pollutants, and column II presents treatment technologies commonly employed to control air pollutants. Air pollutant 1 Dust (size 5-25 µm) 2 Carbon monoxide (CO) 3 Sulfur dioxide (SO2) 4 Fly...

In an industry, a cyclone collector with 80% efficiency is installed for air purification, followed by an electrostatic precipitator with 50% efficiency. The concentration of particles entering the cyclone collector is 1...

A settling chamber is used for the removal of discrete particulate matter from air with following conditions. Horizontal velocity of air = 0.2 m/s; Temperature of air stream = 77°C; Specific gravity of particle to be rem...

A process equipment emits 5 kg/h of volatile organic compounds (VOCs). If a hood placed over the process equipment captures 95% of the VOCs, then the fugitive emission in kg/h is

A baghouse filter has to treat 12 m³/s of waste gas continuously. The baghouse is to be divided into 5 sections of equal cloth area such that one section can be shut down for cleaning and/or repairing, while the other 4...