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Francisco J. Sanchez Careaga, Postdoctoral Fellow

Dr. Francisco J. Sanchez Careaga

“Postdoctoral Fellow for the NSERC/Syncrude/ExxonMobil chair in Fluid Coking Technologies”

Supervisors:  Dr. Cedric Briens & Dr. Franco Berruti.

Email: fsanche@uwo.ca

Objective:

Fluid Coking is a process used to upgrade heavy oils (Bitumen) through thermal cracking.  Oil is injected in a downward-flowing fluid bed of hot coke particles, where it heats up and cracks into smaller vapor molecules.  The down-flowing coke particles are then conveyed to a fluid bed burner where they are reheated. 

The objective of the chair is to improve Fluid Cokers through a better understanding of the Fluid Coking process and the development of new technologies. The practical objectives are to increase the operability and liquid yields of Fluid CokersTM in order to reduce the environmental footprint of heavy oil upgrading.

Achievements:

  • Design and construction of a pilot scale Mechanically Fluidized Reactor that is used in the pyrolysis of biomass and the processing of bitumen.
  • Reengineering of induction heating systems for different reactors with ESAFE approval.
  • Help graduate students in their DAQ requirements: NI-USB-DAQ (for voltage, conductance, pressure, scintillation detectors and thermocouple signals), PLC (EATON, IMO) for motors and pistons control , GS2 motor drives, and Arduino microcontrollers for vision, thermocouples, pressure transducers, sonars and Geiger counters.
  • Evaluation of “industrial size” bitumen injection nozzles and improvements to the 8 metric tons of sand pie-shape fluidize test bed.
  • Thermal cracking of bitumen in pilot scale reactors.
     

Conferences Papers:

  • “Agglomerate Behaviour in a Recirculating Fluidized Bed with Sheds: Effect of Agglomerate Properties”.  Fluidization XIV (2013).
  • “DECOMPOSITION OF TAR MODEL COMPOUND TOLUENE BY TREATMENT WITH THE HIGH-TEMPERATURE HYDROGEN/OXYGEN FLAME”. 19th EUBCE (2011).
  • “High Order Modeling of Overdamped Continuous Processes”. ISA (2001).
     

Presentations:

  • “Impact of Pyrolysis heating characteristics on leachability of biochar minerals”. TC Biomass (2017)
  • “Measurement of penetration and cycle time of jets from an industrial fluid coking spray nozzle ”. Fluidization XV (2015).
  • “Jet-Bed Interactions in Fluid CokersTM: A Review of Measurement Methods, Nozzles, Agglomerates Characteristics, Bed Parameters and Models”. Fluidization XIV (2013).
  • “Application of radioactive particle tracking to indicate shed fouling in the stripper section of a fluid coker”. 61st Canadian Chemical Engineering Conference (2011).
  • “Application of Radioactive Particle Tracking to the Fluidization of Fluid Coke”. 60th CSChE Conference (2010)
     

Articles:

  • “Agglomerate Behavior in a Recirculating Fluidized Bed with Sheds: Effect of Bed Properties.”. Powder Technology (2018).
  • “Agglomerate Behavior in a Recirculating Fluidized Bed with Sheds: Effect of Ring Baffles”. Particuology (In Press).
  •  “Agglomerate Behavior in a Recirculating Fluidized Bed with Sheds: Effect of Agglomerate and Bed Properties”. Powder Technology (2015).
  • “Application of radioactive particle tracking to indicate shed fouling in the stripper section of a fluid coker”. The Canadian Journal of Chemical Engineering (2013).
  •  “An effect of tar model compound toluene treatment with high-temperature flames”. Fuel (2012).
     

Thesis:

  • “Hydrodynamics in Recirculating Fluidized Bed Mimicking the Stripper Section of the Fluid Coker”. (2013)
  • “Un Nuevo Método de Identificación de Procesos Continuos no Oscilatorios de Alto Orden”. (2001)
     

Sponsors:

  • Natural Sciences and Engineering Research Council of Canada (NSERC)
  • Syncrude
  • ExxonMobil

ORCID iD iconorcid.org/0000-0002-7009-9507

 

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