Chingyeh Ong

3 Questions 13 Answers 0 Followers

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What caused the effluent chemical oxygen demand (COD) higher than the influent synthetic dye containing wastewater COD?

May I know what are the reasons contributed to the higher COD at the effluent of anoxic biological treatment as compared to the influent COD? (I am using mixed bacterial culture here) I suspect...

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Surface Modification of Polymer Carriers?

How can I modify the surface of polymer carriers for moving bed biofilm reactor (MBBR) in order to enhance their hydrophilicity performances. Thank you.

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Does anyone have experience with Aspen Hysys Simulator?

Does anyone know why there is always a 3 phases separator on the Hysys simulator but not 2 phases separator for decanter? My process is esterification process (Acetic Acid +Ethanol Ethyl...

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