Dr Jun Li

Lecturer

Chemical and Process Engineering

Personal statement

My research focuses on biomass energy, in the area of fundamental characterization of biomass fuels, development and optimization of biomass thermochemical processes, and energy-effective applications of biomass energy in industry or energy sectors, targeting to produce heat & power, syngas, bio-oil, and solid fuels by means of thermochemical conversion technologies, i.e. combustion, gasification, pyrolysis, and torrefaction.  The research work is supported by both modelling and experimental studies.

I have expertise in CFD modelling of ignition and flame properties, multiphase interactions, reacting progress, and heat transfer, and emissions formations. Experimental studies, at high temperatures and high heating rates conditions, are used to characterize the biomass fuel on its inherent properties, kinetics, and performances of thermochemical processes. 

Expertise

Has expertise in:

    I have expertise in assessment of thermal conversion behaviors of biomass and waste feedstock; experimental characterization of solid, gas and liquid products from thermal conversions of biomass and waste feedstock; kinetic evaluation of thermal conversions of solid fuel at varying ranges of temperatures and heating rates; kinetic evaluation of release of alkali metals during biomass combustion and prediction of ash related slagging and fouling. I also have extensive experience in the numerical simulations of reacting flow, heat transfer and energy system with particular interest in the application areas of biomass energy, clean fuel technologies, thermal process and heat recovery.

    My expertise is broadly covering the following areas:

    • Numerical simulation of turbulence reacting flow, multiphase flow, and heat transfer,
    • Biomass fuel characterization and thermal conversion performances analysis,
    • Clean combustion technologies & applications (i.e. flameless, volumetric,  and oxyfuel combustion),
    • Analysis and optimization of thermochemical processes and energy systems,
    • Techno-economic and environmental assessment of energy systems.

Publications

Kinetic models for biomass pyrolysis
Martí Rosselló Teresa, Li Jun, Lue Leo
Archives of Industrial Biotechnology Vol 1, pp. 4-7, (2016)
Release of alkali metals during biomass thermal conversion
Cao Wenhan, Li Jun, Lue Leo, Zhang Xiaolei
Archives of Industrial Biotechnology Vol 1, (2016)
Techno-economic and carbon emissions analysis of biomass torrefaction downstream in international bioenergy supply chains for co-firing
Rentizelas Athanasios A., Li Jun
Energy : The International Journal ; Technologies, Resources, Reserves, Demands, Impact, Conservation, Management, Policy Vol 114, pp. 129-142, (2016)
http://dx.doi.org/10.1016/j.energy.2016.07.159
Assessing biomass steam gasification technologies using a multi-purpose model
Sepe Angelo Maria, Li Jun, Paul Manosh C.
Energy Conversion and Management Vol 129, pp. 216 - 226, (2016)
http://dx.doi.org/10.1016/j.enconman.2016.10.018
Studies of ignition behaviour of biomass particles in a down-fire reactor for improving co-firing performance
Li Jun, Paul Manosh C., Czajka Krzysztof M.
Energy and Fuels, (2016)
http://dx.doi.org/10.1021/acs.energyfuels.6b01065
Co-firing torrefied biomass for power generation : assessing the trade-offs of downstream torrefaction from a whole system's perspective
Rentizelas Athanasios, Li Jun
24th European Biomass Conference and Exhibition, (2016)

more publications

Teaching

CP206: Chemical Engineering Practice 1

CP414: Advanced Reactors

 

 

Research interests

  • Development of Computational Fluid Dynamics (CFD) methods of thermal/chemical processes.
  • Biomass characterization:fuel properties, kinetics, ignition, thermal conversion behaviour.
  • Biomass combustion & co-firing: large percentage biomass substitutions; ash related problems and aerosol formations.
  • Second generation biofuels production & upgrading by torrefaction, pyrolysis,  gasification, and synthesis.
  • Integrated energy systems: biomass and solar system combination; co-processing biomass/bio-oil in oil refinery; advanced clean combustion technologies
  • Ash related challenges: release mechanism and kinetics of alkali metals; removal of inherent alkali metals at fuel processing stage.

Professional activities

24th European Biomass Conference and Exhibition
Participant
6/6/2016
All-Energy 2016
Participant
4/5/2016
Joint British, Spanish and Portuguese Section Combustion Meeting
Participant
12/4/2016
Gasification Workshop: Gasification and its Potential
Invited speaker
9/7/2015
All Energy 2015
Participant
6/5/2015
Visiting research: Biomass dust ignition behaviour studies
Contributor
1/12/2014

more professional activities

Address

Chemical and Process Engineering
James Weir Building

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