[1] A. Abraham, A.K. Mathew, H. Park, O. Choi, R. Sindhu, B. Parameswaran, A. Pandey, J.H. Park, B.I. Sang, Pretreatment strategies for enhanced biogas production from lignocellulosic biomass, Bioresour. Technol. 301 (2020) 122725. [2] International Energy Agency (IEA), International Energy Outlook 2020, 2020 [2021-09-08]. https://www.eia.gov/outlooks/ieo/pdf/ieo2020.pdf. [3] B.M. Pedras, M. Nascimento, I. Sa-Nogueira, P. Simoes, A. Paiva, S. Barreiros, Semi-continuous extraction/hydrolysis of spent coffee grounds with subcritical water, J. Ind. Eng. Chem. 72 (2019) 453-456. [4] W. Yang, M.N. Fang, H. Xu, H. Wang, S.J. Wu, J. Zhou, S.X. Zhu, Interactions between holocellulose and lignin during hydrolysis of sawdust in subcritical water, ACS Sustain. Chem. Eng. 7 (2019) 10583-10594. [5] V.K. Ponnusamy, S. Nagappan, R.R. Bhosale, C.H. Lay, D.D. Nguyen, A. Pugazhendhi, S.W. Chang, G. Kumar, Review on sustainable production of biochar through hydrothermal liquefaction: Physico-chemical properties and applications, Bioresour. Technol. 310 (2020) 123414. [6] J.X. Zhang, C.T. Wen, H.H. Zhang, Y.Q. Duan, H.L. Ma, Recent advances in the extraction of bioactive compounds with subcritical water: A review, Trends Food Sci. Technol. 95 (2020) 183-195. [7] T.R. Sarker, F. Pattnaik, S. Nanda, A.K. Dalaim, V. Meda, S. Naik, Hydrothermal pretreatment technologies for lignocellulosic biomass: A review of steam explosion and subcritical water hydrolysis, Chemosphere 284 (2021) 131372. [8] M. Mattonai, F. Nardella, L. Zaccaroni, E. Ribechini, Effects of milling and UV pretreatment on the pyrolytic behavior and thermal stability of softwood and hardwood, Energy Fuels 35 (2021) 11353-11365. [9] T.J. Qu, X.M. Zhang, X.W. Gu, L.J. Han, G.Y. Ji, X.L. Chen, W.H. Xiao, Ball milling for biomass fractionation and pretreatment with aqueous hydroxide solutions, ACS Sustain. Chem. Eng. 5 (2017) 7733-7742. [10] S. Behera, R. Arora, N. Nandhagopal, S. Kumar, Importance of chemical pretreatment for bioconversion of lignocellulosic biomass, Renew. Sust. Energ. Rev. 36 (2014) 91-106. [11] J.F. Pang, M.F. Zheng, X.S. Li, J. Sebastian, Y. Jiang, Y. Zhao, A.Q. Wang, T. Zhang, Unlock the compact structure of lignocellulosic biomass by mild ball milling for ethylene glycol production, ACS Sustain. Chem. Eng. 7 (2019) 679-687. [12] H. Liu, X. Chen, G. Ji, H. Yu, C. Gao, L. Han, W. Xiao, Mechanochemical deconstruction of lignocellulosic cell wall polymers with ball-milling, Bioresour. Technol. 286 (2019) 121364. [13] J. Wang, E. Minami, M. Asmadi, H. Kawamoto, Thermal degradation of hemicellulose and cellulose in ball-milled cedar and beech wood, J. Wood Sci. 67 (2021) 32. [14] Y. Dong, J. Haverinen, T. Tuuttila, M. Jaakkola, J. Holm, J.M. Leveque, U. Lassi, Rapid one-step solvent-free acid-catalyzed mechanical depolymerization of pine sawdust to high-yield water-soluble sugars, Biomass Bioenerg. 102 (2017) 23-30. [15] N. Meine, R. Rinaldi, F. Schuth, Solvent-free catalytic depolymerization of cellulose to water-soluble oligosaccharides, ChemSusChem 5 (2012) 1449-54. [16] A. Shrotri, L.K. Lambert, A. Tanksale, J. Beltramini, Mechanical depolymerisation of acidulated cellulose: understanding the solubility of high molecular weight oligomers, Green Chem. 15 (2013) 2761-2768. [17] R. Carrasquillo-Flores, M. Kaldstrom, F. Schuth, J.A. Dumesic, R. Rinaldi, Mechanocatalytic depolymerization of dry (Ligno)cellulose as an entry process for high-yield production of furfurals, ACS Catal. 3 (2013) 993-997. [18] L.L. Zhao, X.F. Chen, X.Y. Liu, G.Q. Xu, X.C. Guo, Y. Yang, Highly efficient synthesis of C5/C6 sugar alcohols from bamboo enabled by mechanocatalytic depolymerization, ACS Sustain. Chem. Eng. 9 (2021) 6697-6706. [19] F. Shen, X.X. Xiong, J.Y. Fu, J.R. Yang, M. Qiu, X.H. Qi, D.C.W. Tsang, Recent advances in mechanochemical production of chemicals and carbon materials from sustainable biomass resources, Renew. Sust. Energ. Rev. 130 (2020) 109944. [20] H. Liu, Y.X. Zhang, T. Hou, X.L. Chen, C.F. Gao, L.J. Han, W.H. Xiao, Mechanical deconstruction of corn stover as an entry process to facilitate the microwave-assisted production of ethyl levulinate, Fuel Process. Technol. 174 (2018) 53-60. [21] L.S. Ribeiro, J.J.M. Orfao, M.M.R. Pereira, Enhanced direct production of sorbitol by cellulose ball-milling, Green Chem. 17 (2015) 2973-2380. [22] F. Boissou, N. Sayoud, K.D.O. Vigier, A. Barakat, S. Marinkovic. B. Estrine, F. Jerome, Acid-assisted ball milling of celulose as an efficient pretreatment process for the production of butyl glycosides, ChemSusChem 8 (2015) 3263-3269. [23] T. Yokoyama, J.F. Kadla, H.M. Chang, Microanalytical method for the characterization of fiber components and morphology of woody plants, J. Agr. Food Chem. 50 (2002) 1040-1044. [24] S. Hata, J. Wiboonsirikul, A. Maeda, Y. Kimura, S. Adachi, Extraction of defatted rice bran by subcritical water treatment, Biochem. Eng. J. 40 (2008) 44-53. [25] G.Y. Zhu, X. Zhu, Q. Fan, X.L. Wan, Production of reducing sugars from bean dregs waste by hydrolysis in subcritical water, J. Anal. Appl. Pyrolysis 90 (2011) 182-186. [26] J.K. Zhao, Y. Yang, M. Zhang, D.H. Wang, Minimizing water consumption for sugar and lignin recovery via the integration of acid and alkali pretreated biomass and their mixed filtrate without post-washing, Bioresour. Technol. 337 (2021) 125389. [27] S. Haghighat Khajavi, Y. Kimura, T. Oomori, R. Matsuno, S. Adachi, Degradation kinetics of monosaccharides in subcritical water, J. Food Eng. 68 (2005) 309-313. [28] S. Erşan, Ö. Güçlü Üstündağ, R. Carle, R.M. Schweiggert, Subcritical water extraction of phenolic and antioxidant constituents from pistachio (Pistacia vera L.) hulls, Food Chem. 253 (2018) 46-54. [29] H.Y. Huang, J.Y. Liu, H. Liu, F. Evrendilek, M. Buyukada, Pyrolysis of water hyacinth biomass parts: Bioenergy, gas emissions, and by-products using TG-FTIR and Py-GC/MS analyses, Energ. Convers. Manage. 207 (2020) 112552. [30] S.M. Kang, J.X. Fu, G. Zhang, From lignocellulosic biomass to levulinic acid: A review on acid-catalyzed hydrolysis, Renew. Sust. Energ. Rev. 94 (2018) 340-362. [31] Y. Takeuchi, F. Jin, K. Tohji, Acid catalytic hydrothermal conversion of carbohydrate biomass into useful substances, J. Mater. Sci. 43 (2008) 2472-2475. [32] W. Yang, T. Shimanouchi, S.J. Wu, Y. Kimura, Investigation of the degradation kinetic parameters and structure changes of microcrystalline cellulose in subcritical water, Energy Fuels 28 (2014) 6974-6980. |