This article is about contact aeration method which is one of three types of biofilm processes of various activated sludge method in wastewater treatment. ■ About Contact aeration method   Contact aeration method is a method to treat wastewater by microorganisms attached on surface of carriers (contact materials, filer materials) filled in reaction tanks. Oxygen […]

■ About biofilm process   Biofilm process is one of various wastewater treatment method, and it is a method to attach microorganisms onto carrier and to make them decompose contaminants. The microorganisms attached on surface of carrier is called biofilm. Activated sludge process is a process to generate small floating activated sludge and microorganisms in […]