■ 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 […]

This article is about sequencing batch reactor process which is one of various activated sludge method in wastewater treatment. This is a method consists with a sequence of filling wastewater, aeration reacting, settling, and drawing clarified water (treated effluent). Also, this can be used as advanced wastewater treatments which remove phosphorus and nitrogen. ■ About […]

This article is about pure oxygen activated sludge process which is one of various activated sludge method in wastewater treatment.   ■ About Pure oxygen activated sludge process    In conventional activated sludge process, activities of microorganisms and activated sludge are stimulated by air sent into reaction tank and aerobic tank. However, amount of oxygen […]

This is about anaerobic-anoxic-aerobic (A2O) method which is one of various activated sludge methods in wastewater treatment process. This method is a wastewater treatment method whose main purpose is to remove nitrogen and phosphorus from wastewater, and a method improved from conventional activated sludge process. Also, this method is one of advanced wastewater treatment method […]

This is about activated sludge flocculation method which is one of various activated sludge methods in wastewater treatment process. Anaerobic-aerobic method is a wastewater treatment method whose main purpose is to remove phosphorus from wastewater, and a method improved from conventional activated sludge process. As phosphorus removal method, there is anaerobic-aerobic method which is based […]