T1 - The Hong Kong University of Science & Technology...

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CIVL 242 Water and Wastewater Engineering TAs: Pang Shing Kin (ceskin@ust.hk) So Wing Kin (ceso@ust.hk) Tutorial 1 Department of Civil Engineering
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Wastewater Treatment Sedimentation: - Allow organic suspended matter to settle (need enough time for separation) - Can be rectangular or circular Coagulation: - Process of making the particle less stable by neutralizing its charge - Encouraging initial aggregation of colloidal and finely divided suspended matter Flocculation: - Process of bringing together - By physical mixing or addition of chemical coagulant aids, or both From USGS
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Biological treatment: - Use of microorganisms to remove pollutants from wastewater Filtration: - Separation of solid from liquid - Sand filter, MF, RO, etc. Disinfection: - Inactivation of microorganisms by physical or chemical processes - Chlorination, ozonation, UV- radiation, etc. From USGS
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T1 - The Hong Kong University of Science & Technology...

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