Hydrolysis of Miscanthus for bioethanol production using dilute acid presoaking combined with wet explosion pre-treatment and enzymatic treatment

被引:127
|
作者
Sorensen, Annette [1 ]
Teller, Philip J. [1 ]
Hilstrom, Troels [1 ]
Ahring, Birgitte K. [1 ]
机构
[1] Tech Univ Denmark, BioCentrum, DK-2800 Lyngby, Denmark
关键词
bioethanol; Miscanthus; pre-treatment; presoaking; wet explosion;
D O I
10.1016/j.biortech.2007.09.091
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Miscanthus is a high yielding bioenergy crop. In this study we used acid presoaking, wet explosion, and enzymatic hydrolysis to evaluate the combination of the different pre-treatment methods for bioethanol production with Miscanthus. Acid presoaking is primarily carried out in order to remove xylose prior to wet explosion. The acid presoaking extracted 63.2% xylose and 5.2% glucose. Direct enzymatic hydrolysis of the presoaked biomass was found to give only low sugar yields of 24-26% glucose. Wet explosion is a pre-treatment method that combines wet-oxidation and steam explosion. The effect of wet explosion on non-presoaked and presoaked Miscanthus was investigated using both atmospheric air and hydrogen peroxide as the oxidizing agent. All wet explosion pre-treatments showed to have a disrupting effect on the lignocellulosic biomass, making the sugars accessible for enzymatic hydrolysis. The combination of presoaking, wet explosion, and enzymatic hydrolysis was found to give the highest sugar yields. The use of atmospheric air gave the highest xylose yield (94.9% xylose, 61.3% glucose), while hydrogen peroxide gave the highest glucose yield (82.4% xylose, 63.7% glucose). (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:6602 / 6607
页数:6
相关论文
共 50 条
  • [21] Flax nanofibrils production via supercritical carbon dioxide pre-treatment and enzymatic hydrolysis
    Nlandu, Herve
    Belkacemi, Khaled
    Chorfa, Nasima
    Elkoun, Said
    Robert, Mathieu
    Hamoudi, Safia
    CANADIAN JOURNAL OF CHEMICAL ENGINEERING, 2020, 98 (01): : 84 - 95
  • [22] ALKALI PRE-TREATMENT AND ENZYMATIC HYDROLYSIS OF Arundo donax FOR SINGLE CELL OIL PRODUCTION
    Cianchetta, Stefano
    Nota, Monica
    Polidori, Nakia
    Galletti, Stefania
    ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL, 2019, 18 (08): : 1693 - 1701
  • [23] Pre-treatment and enzymatic hydrolysis of lettuce residues as feedstock for bio-butanol production
    Procentese, Alessandra
    Raganati, Francesca
    Olivieri, Giuseppe
    Russo, Maria Elena
    Marzocchella, Antonio
    BIOMASS & BIOENERGY, 2017, 96 : 172 - 179
  • [24] Microwave Pre-treatment of Corn Straw and its Enzymatic Hydrolysis
    Han Muxin
    Li Dongmei
    Feng Yujie
    Tan Yufei
    Yuan Yixing
    BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING II, PTS 1 AND 2, 2013, 641-642 : 971 - 974
  • [25] Investigation of pre-treatment parameters of alder and triticale for bioethanol production
    Jasinskas, Algirdas
    Sarauskis, Egidijus
    Sakalauskas, Antanas
    Sarauskis, Raimondas
    JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT, 2009, 7 (3-4): : 977 - 980
  • [26] Pre-treatment optimization of Scenedesmus obliquus microalga for bioethanol production
    Miranda, J. R.
    Passarinho, P. C.
    Gouveia, L.
    BIORESOURCE TECHNOLOGY, 2012, 104 : 342 - 348
  • [27] Exploring alkaline pre-treatment of microalgal biomass for bioethanol production
    Harun, Razif
    Jason, W. S. Y.
    Cherrington, Tamara
    Danquah, Michael K.
    APPLIED ENERGY, 2011, 88 (10) : 3464 - 3467
  • [28] Modifications of soy protein isolates using combined extrusion pre-treatment and controlled enzymatic hydrolysis for improved emulsifying properties
    Chen, Lin
    Chen, Jianshe
    Ren, Jiaoyan
    Zhao, Mouming
    FOOD HYDROCOLLOIDS, 2011, 25 (05) : 887 - 897
  • [29] Alkaline pre-treatment of oilseed rape straw for bioethanol production: Evaluation of glucose yield and pre-treatment energy consumption
    Mathew, Anil Kuruvilla
    Chaney, Keith
    Crook, Mitch
    Humphries, Andrea Claire
    BIORESOURCE TECHNOLOGY, 2011, 102 (11) : 6547 - 6553
  • [30] Chemical Oxidation with Ozone as Pre-treatment of Lignocellulosic Materials for Bioethanol Production
    Teresa Garcia-Cubero, Maria
    Coca, Monica
    Bolado, Silvia
    Gonzalez-Benito, Gerardo
    PRES 2010: 13TH INTERNATIONAL CONFERENCE ON PROCESS INTEGRATION, MODELLING AND OPTIMISATION FOR ENERGY SAVING AND POLLUTION REDUCTION, 2010, 21 : 1273 - 1278