Metito Case Study: Water Treatment for South Bangkok Combined Cycle Power Plant Stage II

To cater for the increasing demand for power and for the surge in industrial needs


Metito Case Study: Water Treatment for South Bangkok Combined Cycle Power Plant Stage II

Key Data

Location: South Bangkok

Plant Type: Water & Wastewater Treatment & Demineralisation

Capacity: Different capacities for various packages

Use: Power Plant

Client: EGAT

End User: EGAT

Consultant/Project Manager: Black & Veatch International & Sindhu Pulsirivong Consultants

Contract Type: Turnkey Design & Build, Including Civil Works

 

Scope of Work

The scope included the complete design, engineering, manufacture, supply, inspection and testing, fabrication, installation, commissioning and performance test of the water and wastewater treatment packages which comprise the following:

  • Circulating water make-up treatment system utilising four automatic cyclone separators to treat a flow of 3780 m3/h. The system clarifies water from the Chao Phraya river, where suspended solids level varies widely due to strong tidal influences.
  • lon exchange demineralisation plant for cycle make-up system with a capacity of 147.6 m3/h, including activated carbon filters, primary cation exchangers, forced draft degasser, primary anion exchangers and a mixed bed polisher, all in two 50% streams.
  • Chemical waste collection and treatment system operating on a 600 m3 batch treatment principle.
  • 90 m3/day extended aeration sanitary drainage & treatment system.
  • Auxiliary water supply units – 150 m3/h each.
  • Miscellaneous mechanical and architectural services along with HVAC, lighting, fire protection and communication systems.
  • DCIS based complete control system for overall plant operation

 

Key Benefits

  • A total solution for the power plant water and wastewater treatment needs.
  • An efficient design that takes into consideration the stringent requirements laid down by the owner and the project manager.
  • Client ease of mind since all packages are handled by one contractor, Metito.
  • A reliable plant that takes into consideration the varying quality of the feedwater.
  • A safe proof design that meant trouble free operation and minimum downtime.
  • Timely execution which was imperative for start-up of the power plant.
  • Full local support from a well-established company with “Local Presence and Global Knowhow”
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