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 analysis of biomass pyrolysis with a peak temperature method
Marti Rossello Teresa, Li Jun, Lue Leo
The 25th European Biomass Conference and Exhibition, (2017)
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, pp. 1-3, (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
Natural fibers for the production of green composites
Zhang Xiaolei, Li Jun, Jain Siddharth, Verma Deepak
Green Approaches to Biocomposite Materials Science and EngineeringGreen Approaches to Biocomposite Materials Science and Engineering, (2016)
http://dx.doi.org/10.4018/978-1-5225-0424-5.ch001

more publications

Teaching

CP206: Chemical Engineering Practice 1

CP414: Particle Technology & Advanced Reactors

CP407: Design Project

CP533: Clean Combustion Technologies

 

 

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

Innovation in gasification & CHP Technology Workshop
Participant
23/5/2017
ChemEngUKDay 2017
Participant
27/3/2017
First ETP heat theme meeting
Participant
20/3/2017
University Energy Strategic Theme Workshop
Participant
15/3/2017
A novel approach for integrating concentrated solar energy with biomass thermochemical conversion processes
Examiner
9/12/2016
Archives of Industrial Biotechnology (Journal)
Peer reviewer
10/2016

more professional activities

Address

Chemical and Process Engineering
James Weir Building

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