School of Energy Science and Engineering, Central South University, Changsha 410083, China.
Research Interests: biomass; machine learning; hydrothermal liquefaction; hydrothermal carbonization; pyrolysis; biochar.

Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering, Xi'an Jiaotong University, Shaanxi 710049, China.
Research Interests: bio-oil production by biomass hydrothermal liquefaction; hydrogen production by supercritical water gasification; organic pollutants removal by supercritical water oxidation; sewage sludge combustion; alloy corrosion and control.

UNSW Water Research Centre, School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW 2052, Australia.
Research Interests: organic waste bio-treatment; bioresource recovery; anaerobic digestion; environmental assessment of bioresources.

School of Energy Science and Engineering, Central South University, Changsha 410083, China.
Research Interests: clean low-carbon energy and high-value resource research of biomass/organic solid waste.

Faculty of Engineering and Natural Sciences, Tampere University, Korkeakoulunkatu 8, 33720 Tampere, Finland.
Research Interests: sewage sludge management; resource recycling; biomass waste biorefinery; catalytic processing; thermochemical conversion.

College of Land Resources and Environment, Jiangxi Agricultural University, Jiangxi 330045, China.
Research Interests: biomass and biofuel; solid waste resource utilization.

Research Interests: anaerobic digestion of organic matter; biochar preparation and utilization; oily sludge/wastewater; shale debris processing.

Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China.
Research Interests: agricultural waste/wastewater treatment; sustainable energy and environmental technologies.

Joint Institute for High Temperatures of the Russian Academy of Sciences, Moscow 125412, Russia.
Research Interests: microalgae; CO2 biofixation; hydrothermal technologies; pyrolysis, biofuels; carbon nanomaterials; bioactive compounds.

Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450000, China.
Research Interests: biofuel and bioenergy; hydrothermal technique; cleaner and green production/combustion; hydrochar and biochar; nutrients.
