Abstract
Cassava residue was liquefied by using ethylene glycol (EG), ethylene carbonate, propylene carbonate and polyethylene glycol (molecular weight: 400 g/mol) as the liquefaction reagent respectively at the temperature of 130–170 °C with sulfuric acid as the catalyst. The influences of liquefaction parameters, such as the type of liquefaction reagents, mass ratio of EG/cassava residue, liquefaction temperature and time on the properties of the products were discussed. The optimum liquefaction conditions were obtained when the mass ratio of EG/cassava residue was 6:1 (w/w), the liquefaction temperature was 150 °C, the liquefaction time was 3 h and the mass fraction of concentrated sulfuric acid/EG was 2.5wt%. The hydroxyl numbers and residue content of the liquefied products at optimal conditions were 1 137 mgKOH/g and 0.43%, respectively. FT-IR spectrum showed that the liquefaction product of cassava residue was polyether polyol and could be used to prepare polyurethane material or alkyd resins.
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References
Morgan NK, Choct M. Cassava: Nutrient Composition and Nutritive Value in Poultry Diets[J]. Animal. Nutrition., 2016, 2(4): 253–261
Sriroth K, Chollakup R, Chotineeranat S, et al. Processing of Cassava Waste for Improved Biomass Utilization[J]. Bioresource. Technol., 2000, 71(1): 63–69
Ghimire A, Sen R, Annachhatre AP. Biosolid Management Options in Cassava Starch Industries of Thailand: Present Practice and Future Possibilities[J]. Procedia. Chemistry., 2015, 14(2015): 66–75
Lin R, Cheng J, Yang Z, et al. Enhanced Energy Recovery from Cassava Ethanol Wastewater through Sequential Dark Hydrogen, Photo Hydrogen and Methane Fermentation Combined with Ammonium Removal[J]. Bioresource. Technol., 2016, 214(2016): 686–691
Divya Nair MP, Padmaja G, Moorthy SN. Biodegradation of Cassava Starch Factory Residue Using a Combination of Cellulases, Xylanases and Hemicellulases[J]. Biomass. Bioenergy., 2011, 35(3): 1 211–1 218
Tang Y, Dou X, Jiang J, et al. Yield-determining Components in High-solid Integrated First and Second Generation Bioethanol Production from Cassava Residues, Furfual Residues and Corn[J]. RSC. Adv., 2016, 6(56): 50 373–50 383
Jyothi AN, Sasikiran K, Nambisan B, et al. Optimisation of Glutamic Acid Production from Cassava Starch Factory Residues Using Brevibacterium Divaricatum[J]. Process. Biochem., 2005, 40(11): 3 576–3 579
Kouteu NP A, Jiokap NY, Kapseu C, et al. Pretreatment of Cassava Stems and Peelings by Thermohydrolysis to Enhance Hydrolysis Yield of Cellulose in Bioethanol Production Process[J]. Renew. Energ., 2016, 97(2016): 252–265
Zhang Q, Tang L, Zhang J, et al. Optimization of Thermal-dilute Sulfuric Acid Pretreatment for Enhancement of Methane Production from Cassava Residues[J]. Bioresource. Technol., 2011, 102(4): 3 958–3 965
Wang K, Yang X, Ren X, et al. Development of a New Cleaner Production Process for Cassava Ethanol[J]. Chinese J. Chem. Eng., 2017, 25(4): 493–498
Gong XF, Li P, Liang L, et al. Investigation on the Fed-batch Hydrolysis of Cassava Pulp by Multi-enzyme and Ethanol Fermentation by Saccharomyces Cerevisiae[J]. Food. Ferment. Ind., 2011, 4(37): 112–116
Lu C, Zhao J, Yang S, et al. Fed-batch Fermentation for n-butanol Production From Cassava Bagasse Hydrolysate in a Fibrous Bed Bioreactor with Continuous Gas Stripping[J]. Bioresource. Technol., 2012, 104(2012): 380–387
Lu X, Wang Y, Zhang Y, et al. Preparation of Bio-polyols by Liquefaction of Hardwood Residue and Their Application in the Modification of Polyurethane Foams[J]. J. Wuhan. Univ. Technol., 2016, 31(4): 918–924
Huang YB, Zheng YW, Zheng ZF, et al. Study on Liquefaction Technology of Cornstarch in Polyhydric Alcohols[J]. J. Southwest. Forestry. Uni., 2011, 1(31): 72–74
Lin L, Yoshioka M, Yao Y, et al. Liquefaction Mechanism of Lignin in the Presence of Phenol at Elevated Temperature without Catalysts. Studies on ß-O-4 Lignin Model Compound. III. Multi-Condensation[J]. Holzforschung, 1997, 51(51): 333–337
Yan Y, Pang H, Yao X, et al. Study on Catalytic Thermochemical Liquefaction of Cornstalk[J]. Chem. Ind. Forest Prod., 2008, 5(28): 70–76
Kurimoto Y, Takeda M, Koizumi A, et al. Mechanical Properties of Polyurethane Films Prepared from Liquefied Wood with Polymeric MDI[J]. Bioresource. Technol., 2000, 74(2000), 151–157
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Funded by the National Natural Science Foundation of China (No. 51503041) and the Natural Science Foundation of Fujian Province, China (No. 2018J01752)
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Kang, J., Chen, W., Yao, Y. et al. Optimisation of Bio-polyol Production from Cassava Residue Using Ethylene Glycol as the Liquefaction Reagent. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 34, 945–949 (2019). https://doi.org/10.1007/s11595-019-2142-7
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DOI: https://doi.org/10.1007/s11595-019-2142-7