Biological Treatment

The biological treatment is to remove organic and suspended solids and the process is including biofiltration, activated sludge and sedimentation. RSTP Penampang is operate by using  Intermittently Decanted Extended Aeration system in the whole aeration tank activities.

The Intermittently Decanted Extended Aeration activated sludge system or also known as IDEA system is the most popular wastewater treatment system. In the IDEA system, wastewater is continuously fed and treated effluent is decanted out on intermittent basis.

Continuous aeration takes place in the Demand Aeration Tank, whereas, in the Intermittent Aeration Tank, aeration process occurs on a preset duration, which followed by settling period and then clear treated effluent is decanted out using the innovative IDEA syphon decanter in decanting period.

IDEA system is a wastewater treatment process which had been developed based on the recognized advantages of Extended Aeration and Sequencing Batch Reactor Processes. As a result of the hybrid process, the system has been proven to offer better treatment efficiency and many other process benefits.


AERATION TANK (IDEA TANK)


ACTIVATED RETURN SLUDGE


MLSS MIXING PROCESS

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