Sand filtration can improve wastewater quality such as to reduce pollutants in wastewater. The effluent passes with vertical movement to downward using gravity force or gravity flow. It is open sand filter where the sand filter surface is open to the atmosphere Sieve analysis was carrying out to evaluate the media. The result is compared to WHO, INTERIM and EQA (A and B) standard.Ī small model of sand filter was constructed with sand and gravel as a filter media. The entire sample taken was evaluated and tested using experiment method in UiTM Pulau Pinang Environmental Laboratory to test the parameter. In this study, wastewater effluent from UiTM Pulau Pinang wastewater treatment plant is taken as the first sample (initial reading) and effluent that is pass a sand filtration process as a second sample (final reading).
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