Lima Refinery Wastewater Treatment Plant Upgrades

Upgrading wastewater solutions for a large oil refinery

Husky Energy, Lima Refining Company | United States | 2008–2012

Soil removed and replaced over entire layout area

Critical subservice infrastructure identified and avoided

No refinery downtime

Challenges

  • neede的过时的污水处理设施d to be replaced and upgraded so flow capacity could be increased, effluent could be treated consistently, odors reduced, and environmental and safety issues optimally managed and addressed.
  • The existing inground API separators had to be replaced with new, aboveground units.
  • A new, aboveground, closed dissolved-nitrogen flotation (DNF) system was installed as a more rigorous replacement for the existing aboveground dissolved air-flotation unit.

Solutions

  • Engineering, procurement, and construction management services were provided to replace the refinery's wastewater treatment plant.
  • Complete services included conceptual and feasibility studies, process engineering, detailed design, 3D modeling, demolition and relocation plans, process equipment procurement, subcontractor procurement, construction management, and start-up planning.

Highlights

  • Combining all wastewater sewers into a common inground lift station with an automatic self-cleaning bar screen.
  • Existing API separators were replaced.
  • New dissolved nitrogen flotation unit was installed.
  • New coagulant, polymer, and sulfuric acid chemical-feed systems were provided.
  • A new controls and a master control center (MCC) building were constructed for the new equipment.

Project numbers

3,000gpm average wastewater flow
6,000gpm maximum wastewater flow

Services provided

Construction management

Engineering

Procurement

Project management

水& natural environment

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