[3] Werner C., et al. Biogeochemical potential of biomass pyrolysis systems for limiting global warming to 1.5 °C. Environmental Research Letters 2018:13(4):044036. https://doi.org/10.1088/1748-9326/aabb0e
[4] Khan T. A., et al. Hydrothermal carbonization of lignocellulosic biomass for carbon rich material preparation: A review. Biomass and Bioenergy 2019:130:105384. https://doi.org/10.1016/j.biombioe.2019.105384
[5] Zhai Y., et al. Hydrothermal carbonisation of sewage sludge for char production with different waste biomass: Effects of reaction temperature and energy recycling. Energy 2017:127:167–174. https://doi.org/10.1016/j.energy.2017.03.116
[6] Saqib N. U., et al. Valorisation of food waste via hydrothermal carbonisation and techno-economic feasibility assessment. Science of the Total Environment 2019:690:261–276. https://doi.org/10.1016/j.scitotenv.2019.06.48431288117
[7] Nicolae S. A., et al. Recent advances in hydrothermal carbonisation: from tailored carbon materials and biochemicals to applications and bioenergy. Green Chemistry 2020:22(15):4747–4800. https://doi.org/10.1039/D0GC00998A
[8] Ischia G., Fiori L. Hydrothermal carbonization of organic waste and biomass: A review on process, reactor, and plant modeling. Waste and Biomass Valorization 2021:12:2797–2824. https://doi.org/10.1007/s12649-020-01255-3
[9] Hammerton J.M., Ross A. B. Inorganic salt catalysed hydrothermal carbonisation (HTC) of cellulose. Catalysts 2022:12(5):492. https://doi.org/10.3390/catal12050492
[11] Zhang Q., et al. Efficient phosphorus recycling and heavy metal removal from wastewater sludge by a novel hydrothermal humification-technique. Chemical Engineering Journal 2020:394:124832. https://doi.org/10.1016/j.cej.2020.124832
[12] Yang F., et al. A hydrothermal process to turn waste biomass into artificial fulvic and humic acids for soil remediation. Science of the Total Environment 2019:686:1140–1151. https://doi.org/10.1016/j.scitotenv.2019.06.04531412510
[15] Klavins M., et al. A comparative study of the properties of industrially produced humic substances. Agronomy Research 2020:18(3):2076–2086. https://doi.org/10.15159/AR.20.185
[17] Yang F., et al. Conjugation of artificial humic acids with inorganic soil matter to restore land for improved conservation of water and nutrients. Land Degradation & Development 2020:31(7):884–893. https://doi.org/10.1002/ldr.3486
[18] Du Q., et al. Activation of porous magnetized biochar by artificial humic acid for effective removal of lead ions. Journal of Hazardous Materials 2020:389(2019):122115. https://doi.org/10.1016/j.jhazmat.2020.12211532006936
[19] dos Santos J. V., et al. Humic-like acids from hydrochars: Study of the metal complexation properties compared with humic acids from anthropogenic soils using PARAFAC and time-resolved fluorescence. Science of the Total Environment 2020:722:137815. https://doi.org/10.1016/j.scitotenv.2020.13781532179299
[20] MacDermid-Watts K., Pradhan R., Dutta A. Catalytic hydrothermal carbonization treatment of biomass for enhanced activated carbon: A Review. Waste and Biomass Valorization 2021:12:2171–2186. https://doi.org/10.1007/s12649-020-01134-x
[21] Ameen M., et al. Effect of acid catalysts on hydrothermal carbonization of Malaysian oil palm residues (leaves, fronds, and shells) for hydrochar production. Biomass Conversion and Biorefinery 2021:12:103–114. https://doi.org/10.1007/s13399-020-01201-2
[22] Reza M. T., et al. Hydrothermal carbonization (HTC) of wheat straw: Influence of feedwater pH prepared by acetic acid and potassium hydroxide. Bioresource Technology 2015:182:336–344. https://doi.org/10.1016/j.biortech.2015.02.02425710573
[23] Gonzalez B., Manya J. J. Activated olive mill waste-based hydrochars as selective adsorbents for CO2 capture under postcombustion conditions. Chemical Engineering and Processing - Process Intensification 2020:149:107830. https://doi.org/10.1016/j.cep.2020.107830