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Shopping centre · South Africa

KG Mall Wastewater Reuse

Process capacity was increased to an equivalent 140 m3/day retention basis to manage the measured COD load.

Published project proof point140 m³/day

equivalent retention basis

Published SewTreat project record
LocationWitbank, Mpumalanga
Capacity80 KLPD steel-tank and container hybrid
ApplicationShopping centre
Treated-water destinationIrrigation, cooling towers, firewater 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.

Productive treated-water reuseWater-reuse reference

Productive treated-water reuse

Representative polishing and reuse context; final quality follows the required destination.

Executive project brief

The challenge

No municipal wastewater service was available. Mall effluent contained high fats, oils and grease and COD above the expected design basis, requiring longer retention and a robust biological process.

Hydraulic duty80 KLPD steel-tank and container hybrid
Water streamSanitation
Operating contextShopping centre
Required destinationIrrigation, cooling towers, firewater and toilet flushing

Solution architecture

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

  1. Steel-tank and container hybrid plant
  2. Retention increased from 2.5 to 4.7 days
  3. IFAS process combining MBBR and RAS
  4. Configuration for seasonal and variable peak loads

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

Process capacity was increased to an equivalent 140 m3/day retention basis to manage the measured COD load.

What the project demonstrates

  • Environmental compliance
  • Productive water reuse
  • Remote-site operation
  • Improved handling of high-contamination effluent

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: KG Mall 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: KG Mall Case Study
KG Mall Wastewater Reuse published case-study sheet 1
Published case-study sheet 1 of 1

Engineer-led next step

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