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CLOSED FOR APPLICATIONS - The Dow fresh water WWTP is suffering from poorly settling sludge, thereby limiting the plant's hydraulic treatment capacity. As the effluent quality is critical for reuse as cooling tower make-up, currently no chemical additives are applied to improve settling behavior of the activated sludge. The objective of this study is to identify suitable coagulant/flocculation agents, which both improve settling properties and do not have a detrimental impact on the effluent quality. Lab testing using actual activated sludge and wastewater (by means of a jar-tester) is a key component of the task. Moreover the student is challenged to generate an effective cause-effect monitoring plan, comprising the characterization of incoming wastewater (by means of chemical or physical testing), determining activated sludge settling properties, and the suitability of coagulating/flocculating agents.
This assignment is suitable for graduation level. If you would like to find out more information about this assignment please contact Niels Groot.
The objective of this study is to identify suitable coagulant/flocculation agents, which both improve settling properties and do not have a detrimental impact on the effluent quality. Lab testing using actual activated sludge and wastewater (by means of a jar-tester) is a key component of the task. Moreover the student is challenged to generate an effective cause-effect monitoring plan, comprising the characterization of incoming wastewater (by means of chemical or physical testing), determining activated sludge settling properties, and the suitability of coagulating/flocculating agents.
This assignment is suitable for graduation level. If you would like to find out more information about this assignment please contact Niels Groot.
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