References
- Ramalakshmi K, Rao LJM, Takano-Ishikawa Y, et al. Bioactivities of low-grade green coffee and spent coffee in different in vitro model systems. Food Chem. 2009;115(1):79–85.
- Mussatto SI, Machado EMS, Martins S, et al. Production, Composition, and Application of Coffee and Its Industrial Residues. Food Bioprocess Technol. 2011;4(5):661–672.
- Kourmentza C, Economou CN, Tsafrakidou P, et al. Spent coffee grounds make much more than waste: Exploring recent advances and future exploitation strategies for the valorization of an emerging food waste stream. J Clean Prod. 2018;172:980–992.
- Pacioni TR, Soares D, Domenico M, Di, et al. Bio-syngas production from agro-industrial biomass residues by steam gasification. Waste Manag. 2016;58:221–229.
- Kang SB, Oh HY, Kim JJ, et al. Characteristics of spent coffee ground as a fuel and combustion test in a small boiler (6.5 kW). Renew Energy. 2017;113:1208–1214.
- Kim J, Kim H, Baek G, et al. Anaerobic co-digestion of spent coffee grounds with different waste feedstocks for biogas production. Waste Manag. 2017;60:322–328.
- Obruca S, Benesova P, Kucera D, et al. Biotechnological conversion of spent coffee grounds into polyhydroxyalkanoates and carotenoids. N Biotechnol. 2015;32(6):569–574.
- Loyao AS, Villasica SLG, Dela Peña PLL, et al. Extraction of lipids from spent coffee grounds with non-polar renewable solvents as alternative. Ind Crops Prod. 2018;119:152–161.
- Juarez GFY, Pabiloña KBC, Manlangit KBL, et al. Direct Dilute Acid Hydrolysis of Spent Coffee Grounds: A New Approach in Sugar and Lipid Recovery. Waste Biomass Valor. 2018;9(2):235–246.
- Yang L, Nazari L, Yuan Z, et al. Hydrothermal liquefaction of spent coffee grounds in water medium for bio-oil production. Biomass Bioenergy. 2016;86:191–198.
- Mata TM, Martins AA, Caetano NS. Bio-refinery approach for spent coffee grounds valorization. Bioresour Technol. 2018;247:1077–1084.
- Atabani AE, Mercimek SM, Arvindnarayan S, et al. Valorization of spent coffee grounds recycling as a potential alternative fuel resource in Turkey: An experimental study. J Air Waste Manag Assoc. 2018;68(3):196–214.
- Caetano NS, Silva VFM, Melo AC, et al. Spent coffee grounds for biodiesel production and other applications. Clean Techn Environ Policy. 2014;16(7):1423–1430.
- Döhlert P, Weidauer M, Enthaler S. Spent coffee ground as source for hydrocarbon fuels. J. Energy Chem. 2016;25(1):146–152.
- Phimsen S, Kiatkittipong W, Yamada H, et al. Oil extracted from spent coffee grounds for bio-hydrotreated diesel production. Energy Convers. Manag. 2016;126:1028–1036.
- Sakuragi K, Li P, Otaka M, et al. Recovery of bio-oil from industrial food waste by liquefied dimethyl ether for biodiesel production. Energies. 2016;9(2):106–108.
- Massaya J, Prates Pereira A, Mills-Lamptey B, et al. Conceptualization of a spent coffee grounds biorefinery: A review of existing valorisation approaches. Food Bioprod. Process. 2019;118:149–166.
- McNutt J, He Q. (Sophia): Spent coffee grounds: A review on current utilization. J Ind Eng Chem. 2019;71:78–88.
- Atabani AE, Al-Muhtaseb AH, Kumar G, et al. Valorization of spent coffee grounds into biofuels and value-added products: Pathway towards integrated bio-refinery. Fuel. 2019;254:115640.
- Marx S, Chiyanzu I, Piyo N. Influence of reaction atmosphere and solvent on biochar yield and characteristics. Bioresour Technol. 2014;164:177–183.
- Efthymiopoulos I, Hellier P, Ladommatos N, et al. Influence of solvent selection and extraction temperature on yield and composition of lipids extracted from spent coffee grounds. Ind Crops Prod. 2018;119:49–56.
- Barreiro DL, Prins W, Ronsse F, et al. Hydrothermal liquefaction (HTL) of microalgae for biofuel production: State of the art review and future prospects. Biomass Bioenergy. 2013;53:113–127.
- Teri G, Luo L, Savage PE. Hydrothermal treatment of protein, polysaccharide, and lipids alone and in mixtures. Energy Fuels. 2014;28(12):7501–7509.
- Biller P, Ross AB. Potential yields and properties of oil from the hydrothermal liquefaction of microalgae with different biochemical content. Bioresour Technol. 2011;102(1):215–225.
- Vo TK, Kim SS, Ly HV, et al. A general reaction network and kinetic model of the hydrothermal liquefaction of microalgae Tetraselmis sp. Bioresour Technol. 2017;241:610–619.
- Son J, Kim B, Park J, et al. Wet in situ transesterification of spent coffee grounds with supercritical methanol for the production of biodiesel. Bioresour Technol. 2018;259:465–468.