This study aimed to clarify the effect of adsorbability, desorbability, biodegradability and activated carbon type on the extent of bioregeneration in the treatment of phenolic compounds in activated sludge systems combined ...

Industrial effluents and high-strength wastewaters such as landfill leachates may contain significant amounts of heavy metals. The presence of heavy metals causes toxicity in biological treatment systems. The toxic and ...

Treatment of wastewaters containing very high amounts of nitrogen is a problem for industries like the fertilizer industry. Up to date methods like air stripping or ion exchange can also be used in removal of nitrogen but ...

One of the main topics in biological treatment systems is the production of extracellular polymeric substances (EPS) on surface of cells. These substances consisting mainly of proteins and carbohydrates have the ability ...

Silver is one of heavy metals which is used in many industries. It affects the performance of biological treatment plants because of its toxic effect on microorganisms. The objective of this study is to determine the effect ...