Dual Media filter vs Pressure sand filter

kwisatz_haderach · 2025-07-14T04:37:48+0100

Hi guys, please help a novice learner understand which is best. We have a requirement for filtering surface water that is high in TSS (around 100 PPM and trubidity (30 NTU). We contacted three suppliers and one has given pressure sand filter (PSF) followed by activated carbon filter (ACF), while the 2nd supplier suggested to go with Multi grade filter filled by ACF, while the third one has suggested Dual Media filter followed by ACF. Three suppliers are telling me that theirs is the best solution for our requirement. I can't able to choose between them. Please help. Based on your experience which you will choose?

pierreick · 2025-07-14T06:34:51+0100

Get a chemical engineer involved!
Sand filter is for raw water, coarse filtration, AC filter is a polishing filter.
Note: AC technology is good for Hydrocarbon removal, but you need to be able to regenerate/dispose them
Good luck
Pierre

swazimatt · 2025-07-14T21:27:15+0100

is this for stormwater runoff?

kwisatz_haderach · 2025-07-15T02:26:01+0100

No, this is just for our factory usage. First we are using ground water that has less TSS and turbidity, but due to local govt restrictions we have to use canal water now, which is high in these values.

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Dual Media filter vs Pressure sand filter

kwisatz_haderach

Mechanical

pierreick

Chemical

swazimatt

Civil/Environmental

kwisatz_haderach

Mechanical

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