Lignin-first biomass fractionation using a hybrid organosolv – Steam explosion pretreatment technology improves the saccharification and fermentability of spruce biomass

Agnihotri, 2015, Ethanol organosolv pretreatment of softwood (Picea abies) and sugarcane bagasse for biofuel and biorefinery applications, Wood Sci. Technol., 49, 881, 10.1007/s00226-015-0738-4 Azadi, 2013, Liquid fuels, hydrogen and chemicals from lignin: a critical review, Renew. Sustain. Energy Rev., 21, 506, 10.1016/j.rser.2012.12.022 Becker, 2003, A modified Saccharomyces cerevisiae strain that consumes L-arabinose and produces ethanol, Appl. Environ. Microbiol., 69, 4144, 10.1128/AEM.69.7.4144-4150.2003 Beckham, 2016, Opportunities and challenges in biological lignin valorization, Curr. Opin. Biotechnol., 42, 40, 10.1016/j.copbio.2016.02.030 Bensah, 2013, Chemical pretreatment methods for the production of cellulosic ethanol: technologies and innovations, Int. J. Chem. Eng., 2013, 1, 10.1155/2013/719607 Bertilsson, 2009, Prefermentation improves xylose utilization in simultaneous saccharification and co-fermentation of pretreated spruce, Biotechnol. Biofuels, 2, 8, 10.1186/1754-6834-2-8 Bozell, 2010, An evolution from pretreatment to fractionation will enable successful development of the integrated biorefinery, BioResources, 5, 1326, 10.15376/biores.5.3.1326-1327 Cherubini, 2010, The biorefinery concept: using biomass instead of oil for producing energy and chemicals, Energy Convers. Manag., 51, 1412, 10.1016/j.enconman.2010.01.015 Delbecq, 2018, Hydrolysis of hemicellulose and derivatives—a review of recent advances in the production of furfural, Front. Chem., 6, 146, 10.3389/fchem.2018.00146 Kallioinen, 2013, A novel alkaline oxidation pretreatment for spruce, birch and sugar cane bagasse, Bioresour. Technol., 140, 414, 10.1016/j.biortech.2013.04.098 Kataria, 2017, Bench scale steam explosion pretreatment of acid impregnated elephant grass biomass and its impacts on biomass composition, structure and hydrolysis, Ind. Crops Prod., 106, 48, 10.1016/j.indcrop.2016.08.050 Katsimpouras, 2017, Sequential high gravity ethanol fermentation and anaerobic digestion of steam explosion and organosolv pretreated corn stover, Bioresour. Technol., 244, 1129, 10.1016/j.biortech.2017.08.112 Koppram, 2014, Combined substrate, enzyme and yeast feed in simultaneous saccharification and fermentation allow bioethanol production from pretreated spruce biomass at high solids loadings, Biotechnol. Biofuels, 7, 54, 10.1186/1754-6834-7-54 Koppram, 2014, Lignocellulosic ethanol production at high-gravity: challenges and perspectives, Trends Biotechnol., 32, 46, 10.1016/j.tibtech.2013.10.003 Kumar, 2009, Methods for pretreatment of lignocellulosic biomass for efficient hydrolysis and biofuel production, Ind. Eng. Chem. Res., 48, 3713, 10.1021/ie801542g Kumar, 2013, Carbohydrate derived-pseudo-lignin can retard cellulose biological conversion, Biotechnol. Bioeng., 110, 737, 10.1002/bit.24744 Lora, 2002, Recent industrial applications of lignin: a sustainable alternative to norevewable materials, J. Polym. Environ., 10, 39, 10.1023/A:1021070006895 Ma, 2015, Toward a further understanding of hydrothermally pretreated holocellulose and isolated pseudo lignin, Cellulose, 22, 1687, 10.1007/s10570-015-0607-1 Matsakas, 2013, Fermentation of liquefacted hydrothermally pretreated sweet sorghum bagasse to ethanol at high-solids content, Bioresour. Technol., 127, 202, 10.1016/j.biortech.2012.09.107 Matsakas, 2017, Green conversion of municipal solid wastes into fuels and chemicals, Electron. J. Biotechnol., 26, 69, 10.1016/j.ejbt.2017.01.004 Matsakas, 2018, Formation of lignin nanoparticles by combining organosolv pretreatment of birch biomass and homogenization processes, Molecules, 23, 1822, 10.3390/molecules23071822 Matsakas, 2014, Utilization of household food waste for the production of ethanol at high dry material content, Biotechnol. Biofuels, 7, 4, 10.1186/1754-6834-7-4 Matsakas, 2018, A novel hybrid organosolv: steam explosion method for the efficient fractionation and pretreatment of birch biomass, Biotechnol. Biofuels, 11, 10.1186/s13068-018-1163-3 Ni, 1995, Alcell® lignin solubility in ethanol–water mixtures, J. Appl. Polym. Sci., 57, 1441, 10.1002/app.1995.070571203 Nitsos, 2017, Investigation of different pretreatment methods of mediterranean-type ecosystem agricultural residues: characterisation of pretreatment products, high-solids enzymatic hydrolysis and bioethanol production, Biofuels, 1 Nitsos, 2016, Isolation and characterization of organosolv and alkaline lignins from hardwood and softwood biomass, ACS Sustain. Chem. Eng., 4, 5181, 10.1021/acssuschemeng.6b01205 Pan, 2006, Bioconversion of hybrid poplar to ethanol and co-products using an organosolv fractionation process: optimization of process yields, Biotechnol. Bioeng., 94, 851, 10.1002/bit.20905 Parsell, 2013, Cleavage and hydrodeoxygenation (HDO) of C-O bonds relevant to lignin conversion using Pd/Zn synergistic catalysis, Chem. Sci., 4, 806, 10.1039/C2SC21657D Pielhop, 2016, Steam explosion pretreatment of softwood: the effect of the explosive decompression on enzymatic digestibility, Biotechnol. Biofuels, 9, 152, 10.1186/s13068-016-0567-1 Ragauskas, 2014, Lignin valorization: improving lignin processing in the biorefinery, Science, 344, 1246843, 10.1126/science.1246843 Raghavendran, 2018, A comparative study of the enzymatic hydrolysis of batch organosolv-pretreated birch and spruce biomass, AMB Express, 8, 114, 10.1186/s13568-018-0643-y Ramachandriya, 2013, Effect of high dry solids loading on enzymatic hydrolysis of acid bisulfite pretreated Eastern redcedar, Bioresour. Technol., 147, 168, 10.1016/j.biortech.2013.08.048 Saha, 2003, Hemicellulose bioconversion, J. Ind. Microbiol. Biotechnol., 30, 279, 10.1007/s10295-003-0049-x Seidel, 2017, The influence of the explosive decompression in steam-explosion pretreatment on the enzymatic digestibility of different biomasses, Faraday Discuss., 202, 269, 10.1039/C7FD00066A Shafiei, 2010, Pretreatment of spruce and oak by N-methylmorpholine-N-oxide (NMMO) for efficient conversion of their cellulose to ethanol, Bioresour. Technol., 101, 4914, 10.1016/j.biortech.2009.08.100 Shuai, 2010, Comparative study of SPORL and dilute-acid pretreatments of spruce for cellulosic ethanol production, Bioresour. Technol., 101, 3106, 10.1016/j.biortech.2009.12.044 Sluiter, 2012, NREL/TP-510-42618 analytical procedure – determination of structural carbohydrates and lignin in biomass, Lab. Anal. Proced. Sun, 2018, Bright side of lignin depolymerization: toward new platform chemicals, Chem. Rev., 118, 614, 10.1021/acs.chemrev.7b00588 Vardon, 2015, Adipic acid production from lignin, Energy Environ. Sci., 8, 617, 10.1039/C4EE03230F Vishtal, 2011, Challenges in industrial applications of technical lignins, BioResources, 6, 3547, 10.15376/biores.6.3.3547-3568 Wang, 2014, Kinetic modeling of multi-feed simultaneous saccharification and co-fermentation of pretreated birch to ethanol, Bioresour. Technol., 172, 303, 10.1016/j.biortech.2014.09.028 Wang, 2018, Effects of impregnation of softwood with sulfuric acid and sulfur dioxide on chemical and physical characteristics, enzymatic digestibility, and fermentability, Bioresour. Technol., 247, 200, 10.1016/j.biortech.2017.09.081 Xu, 2014, Lignin depolymerisation strategies: towards valuable chemicals and fuels, Chem. Soc. Rev., 43, 7485, 10.1039/C4CS00235K Yáñez-S, 2013, Fuel ethanol production from Eucalyptus globulus wood by autocatalized organosolv pretreatment ethanol-water and SSF, J. Chem. Technol. Biotechnol., 88, 39, 10.1002/jctb.3895 Zhao, 2009, Organosolv pretreatment of lignocellulosic biomass for enzymatic hydrolysis, Appl. Microbiol. Biotechnol., 82, 815, 10.1007/s00253-009-1883-1 Zhao, 2008, Enhanced enzymatic hydrolysis of spruce by alkaline pretreatment at low temperature, Biotechnol. Bioeng., 99, 1320, 10.1002/bit.21712 https://www.sveaskog.se/en/forestry-the-swedish-way/short-facts/brief-facts-1/ (last accessed 11.11.18).