Innovation Summer 2025

HEAT EXCHANGER FOULING STUDIES FOR CO-PROCESSING Parkland Corporation has instituted the use of biologically derived feedstocks in its Burnaby Refinery. The company successfully co-processes first-generation biogenic feedstocks (oils and fats) with existing infrastructure and is moving toward more challenging feedstocks, including liquids derived from waste-wood products. Fuels produced through co-processing have lower carbon intensity and greenhouse gas emissions than those derived solely from fossil fuel-based feedstocks, but their chemistry poses challenges such as the potential for heat exchanger fouling. To minimize risk, Coanda Research & Development performed laboratory testing to quantify the buildup of foulant. To emulate processing conditions, estimates were made for the temperature and shear stress in the commercial heat exchanger. These conditions were replicated in the laboratory using a modified autoclave apparatus with methods developed by UBC’s Dr. Paul Watkinson. Company: Parkland Corporation; Coanda Research & Development Corporation UNDERPASS SEISMIC RETROFIT Working with the BC Ministry of Transportation and Transit, TYLin completed a seismic assessment and retrofit design for the existing Horseshoe Bay Underpass in West Vancouver to improve the structure’s resiliency to the 6th generation seismic hazard. The structure spans the BC Ferry terminal and Highway 1, making its seismic performance critical to the functionality of these facilities following a seismic event. TYLin’s seismic retrofit was developed to provide a life-safety level of service following the 1/475 and 1/975 seismic events while preventing superstructure collapse following a 1/2475 event. The adoption of the 6th generation seismic hazard significantly increased the seismic demands on the foundations above those from the 5th generation. TYLin successfully reduced the foundation demands to avoid costly and disruptive foundation retrofits by incorporating the use of Fluid Viscous dampers, which were installed on multiple girder lines at each abutment. Company: TYLin International Canada Inc. Participants: Adam Stubbs, P.Eng.; Alireza Ahmadnia, P.Eng.; Amir Kianivand, AScT; Andrew Griezic, P.Eng.; Brian Peeters, P.Eng.; Brook Robazza, P.Eng.; Dusan Radojevic, P.Eng.; Juan Carlos Carvajal, P.Eng.; Kai Marder, P.Eng.; Keith Russell, P.Eng.; Kingston Chui, P.Eng.; Paul Wilson, P.Eng.; Ross Kelly, P.Eng.; Terrence Davies, P.Eng.; Xiao Zhang, P.Eng. P hoto : B rian A rndt

Participants: Parkland: Gary Lee, P.Eng. Coanda: Andrew Mezo, P.Eng.; Wayne Brown, P.Eng.; Daniel Palys, P.Eng.; Pravic Komal; Alex Rigby. P hoto : S ubmitted by P arkland C orporation

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Innovation Summer 2025

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