Industrial uses of bacteria

At the end of this activity, students should be able to:
– explain the principle of the biological treatment of municipal wastewater
– explain how wastewater is purified by the activated sludge method and the biofiltration method
– define eutrophication and explain the biological method for the removal of nitrogen and phosphorus compounds
– explain how biogas is produced
– discuss the role of enzymes in biological washing powders
– present the main stages of the industrial production of enzymes.