RST EnergyENGINEERING · INDUSTRY · ENVIRONMENT

WATER & ENVIRONMENT

Produced water treatment

Separate oil and solids from produced water for the specified discharge or reinjection duty.

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PURPOSE & OPERATION

What the package does

Produced water treatment separates oil and suspended solids from water recovered during production. The treatment train is selected around the required discharge or reinjection specification and can include primary separation, flotation and media polishing.

ENGINEERING & INTEGRATION

How it fits your facility

Engineering considers water flow and chemistry, inlet oil-in-water concentration, suspended solids and the outlet acceptance criteria. Recovered oil handling, filter backwash, available plot space and the destination of treated water are defined with the facility. The final configuration is matched to the inlet conditions and required treatment duty.

Typical process sequence

  1. Produced water inlet
  2. Hydrocyclone / skim tank
  3. Induced gas flotation
  4. Media polishing
  5. Discharge or reinjection

Illustrative sequence; final equipment and routing follow the agreed process design.

Typical applications

  • Water reinjection
  • Onshore disposal
  • Discharge treatment

Package considerations

  • Multi-stage oil removal
  • Flotation and filtration options
  • Media polishing

Design inputs to prepare

  • Water flow and chemistry
  • Inlet oil-in-water and suspended solids
  • Outlet specification

The final process configuration, materials, design codes and performance requirements are established against the agreed design basis and client specification.

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