Pretreatment of cotton stalk with ionic liquids including 2-hydroxy ethyl ammonium formate to enhance biomass digestibility

Haykır, Nazife Işık; Bahçegül, Erinç; Bıçak, Niyazi; Bakır, Ufuk

doi:10.1016/j.indcrop.2012.04.041

Cited by 90 publications

(39 citation statements)

References 41 publications

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“…IL pretreatment accelerates the enzymatic hydrolysis of lignocelluloses (Haykir et al 2013;Aver et al 2014;An et al 2015). Cotton stalk was pretreated in [EMIM]CH3COO at 150 °C for 30 min (Haykir et al 2013).…”

Section: Enzymatic Hydrolysismentioning

confidence: 99%

“…Cotton stalk was pretreated in [EMIM]CH3COO at 150 °C for 30 min (Haykir et al 2013). A total of 65% of reducing sugars were released after 72 h of enzymatic hydrolysis.…”

Section: Enzymatic Hydrolysismentioning

confidence: 99%

“…In recent years, ionic liquids (ILs) have drawn a great deal of attention as they display several advantages such as wide range of fluidity, lack of flammability, and negligible vapor pressure (Nguyen et al 2010;Ha et al 2011;Haykir et al 2013). Swatloski et al (2002) reported the dissolution of cellulose in ILs.…”

Section: Introductionmentioning

confidence: 99%

“…Following that initial study, pretreatment in ILs and fractionation of lignocelluloses in switchgrass (Singh et al 2009;Cheng et al 2011;Barr et al 2012;Groff et al 2013), wheat straw (Liu and Chen 2006;Li et al 2009), rice straw (Liu et al 2012;Hou et al 2012Hou et al , 2013, wood (Lee et al 2009;Cheng et al 2011;Barr et al 2012;Goshadrou et al 2013;Sun et al 2013), and bagasse (Bian et al 2014) (Haykir et al 2013). High biomass digestibility (65%) was obtained with [EMIM]CH3COO-pretreatment after 72 h of enzymatic saccharification (Haykir et al 2013). Corn stalk was pretreated by [EMIM]CH3COO at 140 °C for 3 h (Gao et al 2014), resulting in 89.9% total lignin removal (based on the lignin content), and the yield of glucose was 91.6% after 72 h of enzymatic hydrolysis.…”

Section: Introductionmentioning

confidence: 99%

“…While the ionic liquids [AMIM]Cl, [BMIM]Cl, and [EMIM]CH3COO can be used to pretreat lignocelluloses, high pretreatment temperatures and long pretreatment times are required (Haykir et al 2013). In addition, lignin regeneration is not very efficient using [AMIM]Cl and [EMIM]CH3COOH, which limits the enzymatic hydrolysis of lignocelluloses (Li et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Pyrrolidinium Ionic Liquids as Effective Solvents for Lignin Extraction and Enzymatic Hydrolysis of Lignocelluloses

et al. 2016

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Section: Enzymatic Hydrolysismentioning

confidence: 99%

“…Cotton stalk was pretreated in [EMIM]CH3COO at 150 °C for 30 min (Haykir et al 2013). A total of 65% of reducing sugars were released after 72 h of enzymatic hydrolysis.…”

Section: Enzymatic Hydrolysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pyrrolidinium Ionic Liquids as Effective Solvents for Lignin Extraction and Enzymatic Hydrolysis of Lignocelluloses

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Anaerobic Digestion and the Use of Pre‐treatments on Lignocellulosic Feedstocks to Improve Biogas Production and Process Economics

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Replacing 100% of phenol in phenolic adhesive formulations with lignin

Kalami

Arefmanesh

Master

et al. 2017

J of Applied Polymer Sci

153

117

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Lignin, produced as a byproduct of pulp and paper and bioethanol industries, is a polyphenolic compound that has excellent potential to be used as phenol replacement in phenolic adhesive formulation. In this study, the phenol portion of phenol formaldehyde (PF) resin has been replaced by an agricultural-based lignin, which was produced as a byproduct of a cellulosic bioethanol process through dilute-acid pretreatment and enzymatic hydrolysis from corn stover. The PF resol resin was formulated using isolated lignin under alkaline condition. Chemical, physical, and thermal properties of the isolated lignin, PF resin and adhesive were measured using advanced analytical techniques such as Fourier transformed infrared spectroscopy (FTIR), size exclusion chromatography (SEC), phosphorous nuclear magnetic resonance spectroscopy ( 31 P NMR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The developed 100% lignin-based adhesive and a commercially formulated phenol resorcinol formaldehyde (PRF, as reference) were used to prepare single-lap-joint samples for mechanical testing. The plywood samples were pressed under exactly the same conditions (time, temperature, and pressure) as what recommended for the commercial PRF formulation. According to two-way ANOVA results, statistically there was no significant difference between the shear strengths of plywood samples made with 100% lignin-based adhesive and those made with the commercial PRF resin.

show abstract

Pretreatment of cotton stalk with ionic liquids including 2-hydroxy ethyl ammonium formate to enhance biomass digestibility

Cited by 90 publications

References 41 publications

Pyrrolidinium Ionic Liquids as Effective Solvents for Lignin Extraction and Enzymatic Hydrolysis of Lignocelluloses

Pyrrolidinium Ionic Liquids as Effective Solvents for Lignin Extraction and Enzymatic Hydrolysis of Lignocelluloses

Anaerobic Digestion and the Use of Pre‐treatments on Lignocellulosic Feedstocks to Improve Biogas Production and Process Economics

Replacing 100% of phenol in phenolic adhesive formulations with lignin

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