Roots blower can be widely used in waste water treatment system for a company, a department, a block, or even a whole city. It could show its fuction in aeration, pressure increasing, ventilation, backwashing, etc.
If you want to choose a blower for the water treatment engineering, roots blower maybe the best choice. It can be fitable for different conditions, outside or inside working is acceptable, low noise, small size, high efficiency, etc.