To discuss on the sludge bulking issue in IETS which focusing on the type of bulking and its causes, the methodogies and approaches, to identify, rectify, troubleshoot, and rescue the biological process plant.

Learning Outcome:

• Understand the bulking issue

• Identify the causes and types of bulking

• Identify the natural and force restoration of bulking, and

• Perform preventation methodogies on bulking issue.