Flare-gas reduction and waste-heat recovery

Requirement overview

Part of the associated gas from the lube unit is currently flared, and furnace exhaust heat is released to the environment without recovery. This call seeks a package that turns both waste streams into energy the unit itself can use.

Background and rationale

Last year's energy audit found that around 9% of the unit's input energy is lost through the flare and the stack. Cutting that figure delivers a direct financial return and also covers the client's environmental commitments.

Project objectives

• Cut gas sent to the flare to less than a third of the current volume
• Recover stack heat at better than 65% efficiency
• Payback period under three years
• Reduce the unit's greenhouse-gas emissions

Scope of work

• Energy audit and field measurement of the waste streams
• Design the flare-gas collection and compression system
• Design and build the stack heat-recovery exchanger
• Installation, commissioning and performance handover

Expected deliverables

• Energy-audit report backed by measured data
• Flare-gas recovery system installed and commissioned
• Heat-recovery unit tied into the internal steam network
• Savings-verification report after six months of operation

Applicant requirements

• Experience delivering energy-recovery projects in process industries
• Able to supply rotating equipment and heat exchangers
• Performance guarantee tied to realised savings
• Delivery team holding valid HSE certification

Evaluation criteria

• Guaranteed savings35%
• Price and payback period30%
• Comparable delivery record20%
• Maintenance and support plan15%

Call timeline

1. 1

   Call published

   2025-06-18

   The requirement document and energy-audit report were published.

2. 2

   Technical session

   2025-07-03

   Review of the measurement data with applicants.

3. 3

   Proposal deadline

   2025-07-23

   Final deadline for uploading the technical and financial proposal.

4. 4

   Negotiation and contract

   2025-08-06

   Performance-guarantee terms are finalised and the contract is signed.