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500 L/h Two-Stage RO Purified-Water System for a Hospital

Hospital purified-water plant: two-stage RO with a sterilised return loop feeding departments from one central tank.

Project Background

A hospital needed centrally produced purified water for several departments, distributed through a loop that would not regrow bacteria.

Our Solution

Two-stage RO with softening, a purified-water tank and a variable-frequency supply loop with return-line sterilisation, so water circulates rather than stagnates.

Process Train

  1. 1Raw-water pump
  2. 2Quartz sand filter
  3. 3Activated carbon filter
  4. 4Two-stage RO
  5. 5Precision filter
  6. 6Softening
  7. 7Purified-water tank
  8. 8Variable-frequency supply with return-loop sterilisation
  9. 9Points of use

Ref. D-015. Client identity is withheld under our client-confidentiality policy. Capacity is shown as a capacity class (design value rounded up to the next 5 at its second significant digit).

How We Deliver

Projects of this type are delivered in the nine stages below. Installation, commissioning and other on-site stages follow each contract's scope. Every stage within our scope produces a written record that we keep on file.

  1. 1 Design basis confirmationAverage and peak flow, influent or gas data, discharge or reuse target Record producedDesign basis sheet
  2. 2 Process & mechanical designProcess calculations, equipment selection, layout and piping Record producedCalculation book, P&ID, general arrangement
  3. 3 Manufacturing & quality controlMaterial and in-process inspection of the main equipment Record producedMaterial & QC records
  4. 4 Factory acceptance test (FAT)Trial run against the design parameters before dispatch Record producedFAT record
  5. 5 Packing & dispatchPacked, marked and shipped against the equipment list Record producedPacking list
  6. 6 Installation or supervisionPer contract scope Record producedInstallation record
  7. 7 CommissioningStart-up, parameter tuning and interlocks Record producedCommissioning log
  8. 8 Performance verificationEffluent or emission checked against the design basis Record producedPerformance test record
  9. 9 Training, handover & after-salesOperator training, document handover, after-sales support Record producedO&M manual, training record

Planning a similar project? Start with these six parameters

  1. FlowDaily average and peak (m³/day and m³/h)
  2. Influent qualityCOD, BOD₅, TSS, pH and anything unusual
  3. Discharge targetThe standard you must meet, or the reuse purpose
  4. Operating hoursContinuous or batch; seasonal changes
  5. Site & civil scopeFootprint, power supply, who builds the tanks
  6. Project stageBudgeting, tender, or ready to order

Send your parameters — initial process recommendation within 24 hours

Frequently Asked Questions

This project is listed in the 0.5 m³/h capacity class: the design value rounded up to the next 5 at its second significant digit. Exact design values are not published.
The process train was: Raw-water pump → Quartz sand filter → Activated carbon filter → Two-stage RO → Precision filter → Softening → Purified-water tank → Variable-frequency supply with return-loop sterilisation → Points of use.
Yes. Send us your daily and peak flow, influent quality, discharge or reuse target, operating hours and site constraints, and our engineers will reply with an initial process recommendation within 24 hours.

Planning a similar project?

Share your flow, influent quality and discharge target — our engineers respond within 24 hours.

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