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Demineralisers for Car Wash Process Water

Learn about demineralisers and how they are installed in car wash processes to offer high-quality washes and prevent spots from appearing. Discover how reverse osmosis works in a demineraliser and the benefits it provides. Explore the product portfolio of demineralisers for different flow capacities.

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Demineralisers for Car Wash Process Water

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  1. Demineralisers Basic Schema Car Wash Process Water Softener Fresh Water Oil Separator Class I SEWAGE Reverse Osmosis & Optional Equipment Biological Recycler Physical Recycler Disinfectant Doser Physical - Chemical Purification Unit PRETREATMENTPOST-TREATMENT

  2. Tap Water Final Dry Surface Initial test surface Demineralised Water Demineralisers Demineralisers. Why are they installed? • To be able to offer a high quality car wash • In order to avoid spots after each wash • Demineralised water has a very low salt content and prevents spots from appearing Final Dry Surface

  3. Demineralisers How does a Demineraliser work?Reverse Osmosis Flow Concentrated Solution Natural-Direct Osmosis When two solutions with different concentrations (pic 1) enter in contact by means of a semi-permeate membrane, natural forces make water flow from the most diluted to the most concentrated solution until their salt concentrations are equal at both sides of the membrane (pic 2). The level difference is the so called Osmotic Pressure. Reverse Osmosis After careful observation of this phenomenon, this situation could be reversed by application of a pressure that should be at least the same as the Osmotic Pressure, making the water to flow in a non-natural direction through the membrane (pic 3). Diluted Solution semi-permeate membrane Osmotic Pressure Diluted Solution Concentrated Solution semi-permeate membrane Diluted Solution Concentrated Solution semi-permeate membrane

  4. Demineralisers THE MEMBRANE The membrane is inlayed in a tube and rolled up as an spiral, so several filtration layers are formed. Membrane Semi-permeate Mesh Separator Spacer Membrane

  5. Demineralisers THE MEMBRANE The membrane is inlayed in a tube and rolled up as an spiral, so several filtration layers are formed. Raw Water Inlet Rolled up membrane

  6. Demineralisers MEMBRANE The membrane is inlayed in a tube and rolled up as an spiral, so several filtration layers are formed. The water passes through the membrane layers Inlet of pressured raw water Rolled up membrane

  7. Demineralisers MEMBRANE The membrane is inlayed in a tube and rolled up as an spiral, so several filtration layers are formed. Inlet of pressured water Reject water Demineralised water

  8. Demineralisers How does a Demineraliser work? Membranes

  9. Demineralisers How does a Demineraliser work? Membranes ASSEMBLY OF MEMBRANES IN SERIES WASTE WATER ACCUMULATION OF SALTS ASSEMBLY IN THE EQUIPMENT TREATED WATER FEED WATER JOINT RING ACCUMULATION OF BACTERIA

  10. Demineralisers How does it work?Reverese Osmosis

  11. Demineralisers Demineralisers. Sales arguments • Waters with higher salinity and different chemical content (filtration or desinfection) • Antiscalant instead of a water softener • Suitable for very hard water • Cheaper • Ecological • Requires less room • Production can be upgraded by adding elements • Need of previous chemical-microbiological analysis • Wide range of pre-treatments. • Decrease of break-downs • Optimal antiscalant dose • Equipment that can be assembled into acabinet • Wide ranfe of safety measures. Compromises among equipment protection and ease of maintenance • High quality in critical components (recognised Brands)

  12. Take a sample IT- 11-56 Samples IT- 11-55 Chlorine Identification Recommended Configuration Data Input in the Estimate Configurator Demineralisers Demineralisers. Estimate Configurator Lab analysis Analysis Results

  13. Demineralisers Demineralisers. Product Portfolio High Capacity Demineraliser. Under Development Medium Flow Demineraliser Range 4DA1x00 & 4DA2x00 Small Flow Demineraliser Range 4DA3x00 & 4DA4x00 ? ? ? 4 up to 22 m3/day More than 22 m3/day 1 up to 4 m3/day

  14. Demineralisers Universal Standard Membranes Ø L High capacity RO equipment under development Reverse Osmosis Membrane

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