Domtar Specialty Fine Papers

Cornwall, On

New water treatment plant

Domtar Inc. awarded HMI and Sandwell under a joint venture basis, an EPC contract for the design and installation of a secondary effluent treatment plant for their fine paper mill.

Control system modernisation

Systems to be installed included : a neutralization system, a secondary pumping station, a 4-cell bio-reactor, including secondary clarifiers, a sludge pumping station, a sludge dewatering and storage facility and aeration systems, all controlled from a state-of-the-art distributed control system (DCS).

The challenge

  • Respond to new federal government pollution abatement standards.
  • Coordinate all the installation without disturbing the operation of the plant.

The result

  • Design and construction of new secondary effluent treatment facility including :
    - Neutralization system
    - Sludge dewatering and storage facility
    - Secondary pumping station
  • State-of-the-art distributed control system.
  • Completed ahead of schedule.


$ 41.0 Million



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