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Mining · South Africa

Samancor Chrome – Lesedi Mine

Phased expansion from a 200 KLPD installation toward the mine's planned 400 KLPD requirement.

Published project proof point200 → 400 KLPD

phased expansion pathway

Published SewTreat project record
LocationRustenburg, North West
Capacity200 KLPD, expandable toward 400 KLPD
ApplicationMining
Treated-water destinationIrrigation, dust suppression and toilet flushing

Visual project record

See the treatment context, not only the claims.

Named-project photographs are identified as project images. Supporting photographs are labelled as representative SewTreat system references.

Modular steel-tank treatmentSystem reference

Modular steel-tank treatment

Representative SewTreat steel-tank biological treatment architecture.

Containerised plant architectureSystem reference

Containerised plant architecture

Representative packaged treatment, controls and mechanical integration.

Maintainable operating assetLifecycle reference

Maintainable operating asset

Representative access, service and lifecycle-support context.

Executive project brief

The challenge

The chrome mine needed to replace outdated wastewater infrastructure while preparing for expansion. Variable wastewater flows reached up to five times the average hourly rate, making flexible buffering and scalable treatment essential.

Hydraulic duty200 KLPD, expandable toward 400 KLPD
Water streamSanitation
Operating contextMining
Required destinationIrrigation, dust suppression and toilet flushing

Solution architecture

The following elements are documented in SewTreat’s published project record.

  1. Modular steel-tank wastewater treatment system
  2. Existing 120 m3 sump integrated as a peak-flow buffer
  3. Integrated Fixed Film Activated Sludge process combining MBBR and RAS
  4. Phased expansion strategy aligned with mine growth

Engineering assurance

Characterise

Validate the water profile, duty and variability.

Integrate

Define civils, power, controls, storage and existing interfaces.

Operate

Plan access, skills, residuals, consumables and maintenance.

Verify

Agree commissioning, sampling and acceptance evidence.

Published outcome

Phased expansion from a 200 KLPD installation toward the mine's planned 400 KLPD requirement.

What the project demonstrates

  • Future scalability
  • Operational flexibility
  • Treated-water reuse
  • Lower-sludge biological process

Before procurement

  1. Representative water analysis completed
  2. Average, peak and future flows validated
  3. Required standard and destination made explicit
  4. Civils, utilities, storage and distribution interfaces defined
  5. Operating and maintenance model resourced
  6. Commissioning evidence and acceptance criteria agreed

Source: Samancor Chrome Case Study. Financial and performance figures are attributed to SewTreat’s published case-study material.

Published project evidence

The original SewTreat case-study record.

The complete source sheet is shown alongside the web case study so the project photography, published figures and treatment narrative remain inspectable.

Open the case-study PDFSource: Samancor Chrome Case Study
Samancor Chrome – Lesedi Mine published case-study sheet 1
Published case-study sheet 1 of 1

Engineer-led next step

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