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

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CIVL 242 Water and Wastewater Engineering TAs: Pang Shing Kin ([email protected]) So Wing Kin ([email protected]) Tutorial 1 Department of Civil Engineering
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
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
Background image of page 2
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
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/13/2011 for the course CIVL 242 taught by Professor Gh during the Fall '09 term at HKUST.

Page1 / 11

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

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online