Perth Seawater Desalination Plant - Pretreatment: Difference between revisions
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===General Description=== | ===General Description=== | ||
Feedwater is first dosed with ferric chloride following filtration in a system consisting of 24 horizontal pressure filters, each having a surface area of 52 m2 and a 1.15 m deep filter bed of dual media. To protect the reverse osmosis membranes against physical fouling by suspended solids, filtered seawater is then passed through an array of 5-micron cartridge filters. Filter backwash water is treated using a high rate Densadeg gravity thickener and the sludge is dewatered for land disposal. | Feedwater is first dosed with ferric chloride following filtration in a system consisting of 24 horizontal pressure filters, each having a surface area of 52 m2 and a 1.15 m deep filter bed of dual media. To protect the reverse osmosis membranes against physical fouling by suspended solids, filtered seawater is then passed through an array of 5-micron cartridge filters. Filter backwash water is treated using a high rate Densadeg gravity thickener and the sludge is dewatered for land disposal. | ||
[[Category:Hypochlorite]] | |||
[[Category:SMBS]] | |||
[[Category:Ferric & Ferrous Iron]] | |||
[[Category:Sand Filtration]] | |||
[[Category:Cartridge Filters]] | |||
[[Category:Acidification]] | |||
Revision as of 00:36, 28 June 2014
| Pretreatment Configuration | |
|---|---|
*SMBS
| |
| Cartridge Filters | |
| Pore Size: | 5 micron |
| Acidification | |
| Type: | Sulphuric Acid |
General Description
Feedwater is first dosed with ferric chloride following filtration in a system consisting of 24 horizontal pressure filters, each having a surface area of 52 m2 and a 1.15 m deep filter bed of dual media. To protect the reverse osmosis membranes against physical fouling by suspended solids, filtered seawater is then passed through an array of 5-micron cartridge filters. Filter backwash water is treated using a high rate Densadeg gravity thickener and the sludge is dewatered for land disposal.
