Surface water contains approximately 1,000 times more indicator organisms than domestic wastewater.

What is the concentration factor?

Which of the following is not correct with respect to the effect of oil on treatment systems?

What is the minimum quantity of nitrogen present in untreated wastewater?

What is the tank volume of aeration for water flow of 50m3/h?

What is the minimum required the temperature to categorize as volatile solids?

What is the temperature required to remove occluded water?

What is the SDI assumed for reverse osmosis hollow fibre?