采用酶解糖化法检测离子液体EmimAc和AmimCl对生物质(甘蔗渣和桉木)的预处理效果,考察了温度、时间和固/液质量比对离子液体预处理效果的影响.结果表明,2种离子液体对2种生物质的最佳预处理温度均为140℃,固液质量比均为1∶15,EmimAc对桉木和甘蔗渣的预处理时间分别是12和4h,而AmimCl所需的时间分别是14和8h,EmimAc对桉木和甘蔗渣的预处理效果分别是传统方法的13.931和3.886倍,而AmimCl对这2种生物质分别是传统方法的4.665和2.835倍.可见EmimAc的预处理效果优于AmimCl.
参考文献
| [1] | Gomez L D,Steele-King C G,McQueen-Mason S J.Sustainable Liquid Biofuels from Biomass:The Writing's on the Walls[J].New Phytol,2008,178(3):473-485. |
| [2] | Yang B,Wyman C E.Pretreatment:the Key to Unlocking Low-cost Cellulosic Ethanol[J].Biofuels Bioprod Biorefin,2008,2(1):26-40. |
| [3] | Li C,Knierim B,Manisseri C,et al.Comparison of Dilute Acid and Ionic Liquid Pretreatment of Switchgrass:Biomass Recalcitrance,Delignification and Enzymatic Saccharification[J].Bioresour Technol,2010,101 (13):4900-4906. |
| [4] | Sant'Ana da Silva A,Lee S-H,Endo T,et al.Major Improvement in the Rate and Yield of Enzymatic Saccharification of Sugarcane Bagasse via Pretreatment with the Ionic Liquid 1-Ethyl-3-methylimidazolium Acetate ([Emim][Ac])[J].Bioresour Technol,2011,102(22):10505-10509. |
| [5] | Dadi A P,Varanasi S,Schall C A.Enhancement of Cellulose Saccharification Kinetics Using an Ionic Liquid Pretreatment Step[J].Biotechnol Bioeng,2006,95 (5):904-910. |
| [6] | Brennecke J F,Maginn E J.Ionic Liquids:Innovative Fluids for Chemical Processing[J].AIChE,2001,47 (11):2384-2389. |
| [7] | Anderson J L,Ding J,Welton T,et al.Characterizing Ionic Liquids on the Basis of Multiple[J].J Am Chem Soc,2002,124(47):14247-14254. |
| [8] | Swatloski R P,Spear S K,Holbrey J D,et al.Dissolution of Cellose with Ionic Liquids[J].J Am Chem Soc,2002,124(18):4974-4975. |
| [9] | Zhang H,Wu J,Zhang J,et al.1-Allyl-3-methylimidazolium Chloride Room Temperature Ionic Liquid a New and Powerful Nonderivatizing Solvem for Cellulose[J].Macromolecales,2005,38(20):8272-8277. |
| [10] | Lateef H,Grimes S,Kewcharoenwong P,et al.Separation and Recovery of Cellulose and Lignin Using Ionic Liquids:A Process for Recovery from Paper-based Waste[J].J Chem Technol Biotechnol,2009,84(12):1818-1827. |
| [11] | Fukaya Y,Sugimoto A,Ohno H.Superior Solubility of Polysaccharides in Low Viscosity,Polar,and Halogen-Free 1,3-Dialkylimidazolium Formates[J].Biomacromolecules,2006,7(12):3295-3297. |
| [12] | Pu Y Q,Jiang N,Raganskas A J.Ionic Liquid as a Green Solvent for Lignin[J].J Wood Chem Technol,2007,27(1):23-33. |
| [13] | Li Q,He Y C,Xian M,et al.Improving Enzymatic Hydrolysis of Wheat Straw Using Ionic Liquid 1-Ethyl-3-methyl Imidazolium Diethyl Phosphate Pretreatment[J].Bioresour Technol,2009,100(14):3570-3575. |
| [14] | Maki-Arvela P,Anugwom I,Virtanen P,et al.Dissolution of Lignocellulosic Materials and Its Constituents Using Ionic Liquids:A Review[J].Ind Crops Prod,2010,32(3):175-201. |
| [15] | Nguyen T-AD,Kim K-R,Han S J,et al.Pretreatment of Rice Straw with Ammonia and Ionic Liquid for Lignocellulose Conversion to Fermentable Sugars[J].Bioresour Technol,2010,101 (19):7432-7438. |
| [16] | Remsing R C,Swafloski R P,Rogers R Diet al.Mechanism of Cellulose Dissolution in the Ionic Liquid 1-n-Butyl-3-Methylimidazolium Chloride A 13C and 35/37Cl NMR Relaxation Study on Model Systems[J].Royal Soc Chem,2006:1271-1273. |
| [17] | Lee S H,Doherty T V,Linhardt R J,et al.Ionic Liquid-mediated Selective Extraction of Lignin from Wood Leading to Enhanced Enzymatic Cellulose Hydrolysis[J].Biotechnol Bioeng,2009,102(5):1368-1376. |
| [18] | Lu F C,Ralph J.Non-degradative Dissolution and Acetylation of Ball-milled Plant Cell Walls:High-resolution Solutionstate NMR[J].Plant J,2003,35(4):5939-5947. |
| [19] | Wu J,Zhang J,Zhang H,et al.Homogeneous Acetylation of Cellulose in a New Ionic Liquid[J].Biomacromolecules,2004,5(2):266-268. |
| [20] | Fu D,Mazza G,Tamaki Y.Lignin Extraction from Straw by Ionic Liquids and Enzymatic Hydrolysis of the Cellulosic Residues[J].J Agric Food Chem,2010,58 (5):2915-2922. |
| [21] | Wang X J,Li H Q,Cao Y,et al.Cellulose Extraction from Wood Chip in an Ionic Liquid 1-Allyl-3-methylimidazolium Chloride (AmimCl)[J].Bioresour Technol,2011,102 (17):7959-7965. |
| [22] | LIU Jiajian,LU Yi.The Research on the Effects of Cellulose Enzyme Degradation with Pretreatment[J].Forest Ind Chem,1995,15(3):67-70(in Chinese).刘家健,陆怡.预处理对纤维素酶降解影响的研究[J].林产化学与工业,1995,15(3):67-70. |
| [23] | WU Shubin,WEI Weiqi,LIU Liguo.The Influence of Eucalyptus Pretreated with Alkaline Sulfite on the Enzymatic Saccharification[J].JSouth China Univ Technol,2011,39(11):1-5(in Chinese).武书彬,尉慰奇,刘立国.桉木碱性亚硫酸盐预处理对酶解糖化效果的影响[J].华南理工大学学报,2011,39(11):1-5. |
| [24] | Miller G L.Use of DinitrosaIieyIic Acid Reagent for Determination of Reducing Sugar[J].Anal Chem,1959,31 (3):426-428. |
| [25] | Zhao H,Jones C L,Baker G A,et al.Regenerating Cellulose from Ionic Liquids for an Accelerated Enzymatic Hydrolysis[J].J Biotechnol,2009,139(1):47-54. |
| [26] | Kilpelainen I,Xie H B,King A,et al.Dissolution of Wood in Ionic Liquids[J].JAgric Food Chem,2007,5S(22):91429148. |
| [27] | Vancov T,Alston A S,Brown T,et al.Use of Ionic Liquids in Converting Lignocellulosic Material to Biofuels[J].Renew Energ,2012,45:1-6. |
| [28] | Uju,Shoda Y,Nakamoto A,et al.Short Time Ionic Liquids Pretreatment on Lignoeellulosic Biomass to Enhance Enzymatic Saccharification[J].Bioresour Technol,2012,103 (1):446-452. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%