Civil Engineering Departmental Seminar - Bromate Formation and Mitigation Measures in Drinking Water Treatment Processes

9:30am - 10:30am
Room 3574 (Lift 27/28), Civil Engineering Conference Room

Bromate Formation and Mitigation Measures in Drinking Water Treatment Processes

Bromate, which can be formed as a byproduct of ozonation, has been linked to various cancers, including tumours of the kidney and thyroid. It is formed during ozonation due to the presence of bromide in raw water. The conversion of bromide to bromate can be affected by natural organic matter, pH, temperature and other factors. A study has been conducted on the bromate formation during ozonation at Water Treatment Works (WTW) with the ozonation process and measures have been formulated to achieve a health-based bromate level of no more than 2 microgram per liter in drinking water.

 

講者/ 表演者:
Alfred C.K. LEE

Alfred served consecutively as Chairman of the CIWEM Hong Kong Branch from 2016-2018 and is currently a member of the branch committee. He is Senior Waterworks Chemist, Water Supplies Department HKSAR, and has more than 28 years of substantial experience in formulating water safety policies and drinking water treatment processes. He is responsible for ensuring that the treated drinking water in Hong Kong meets a satisfactory standard of purity at all times.

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