Ammonium hydroxide detoxification of spruce acid hydrolysates

被引:0
作者
Björn Alriksson
Ilona Sárvári Horváth
Anders Sjöde
Nils-Olof Nilvebrant
Leif J. Jönsson
机构
[1] Karlstad University,Biochemistry, Division for Chemistry
[2] Chalmers University of Technology,Institute of Chemical Engineering and Environmental Sciences, Department of Chemical Reaction Engineering
[3] STFI-Packforsk AB,undefined
[4] Swedish Pulp and Paper Research Institute,undefined
来源
Applied Biochemistry and Biotechnology | 2005年 / 124卷
关键词
Ethanol; lignocellulose; detoxification; NH; OH; nitrogen;
D O I
暂无
中图分类号
学科分类号
摘要
When dilute-acid hydrolysates from spruce are fermented to produce ethanol, detoxification is required to make the hydrolysates fermentable at reasonable rates. Treatment with alkali, usually by overliming, is one of the most efficient approaches. Several nutrients, such as ammonium and phosphate, are added to the hydrolysates prior to fermentation. We investigated the use of NH4OH for simultaneous detoxification and addition of nitrogen source. Treatment with NH4OH compared favorably with Ca(OH)2, Mg(OH)2, Ba(OH)2, and NaOH to improve fermentability using Saccharomyces cerevisiae. Analysis of monosaccharides, furan aldehydes, phenols, and aliphatic acids was performed after the different treatments. The NH4OH treatments, performed at pH 10.0, resulted in a substantial decrease in the concentrations of furfural and hydroxymethylfurfural. Under the conditions studied, NH4OH treatments gave better results than Ca(OH)2 treatments. The addition of an extra nitrogen source in the form of NH4Cl at pH 5.5 did not result in any improvement in fermentability that was comparable to NH4OH treatments at alkaline conditions. The addition of CaCl2 or NH4Cl at pH 5.5 after treatment with NH4OH or Ca(OH)2 resulted in poorer fermentability, and the negative effects were attributed to salt stress. The results strongly suggest that the highly positive effects of NH4OH treatments are owing to chemical conversions rather than stimulation of the yeast cells by ammonium ions during the fermentation.
引用
收藏
页码:911 / 922
页数:11
相关论文
共 50 条
  • [31] Detoxification of Lignocellulose Hydrolysates: Biochemical and Metabolic Engineering Toward White Biotechnology
    Anuj K. Chandel
    Silvio Silvério da Silva
    Om V. Singh
    [J]. BioEnergy Research, 2013, 6 : 388 - 401
  • [32] Detoxification of biomass hydrolysates with nucleophilic amino acids enhances alcoholic fermentation
    Xie, Rui
    Tu, Maobing
    Carvin, Jamarius
    Wu, Yonnie
    [J]. BIORESOURCE TECHNOLOGY, 2015, 186 : 106 - 113
  • [33] Detoxification of Hydrolysates of the Red Seaweed Gelidium amansii for Improved Bioethanol Production
    Trung Hau Nguyen
    In Yung Sunwoo
    Gwi-Taek Jeong
    Sung-Koo Kim
    [J]. Applied Biochemistry and Biotechnology, 2019, 188 : 977 - 990
  • [34] Factors Affecting Detoxification of Softwood Enzymatic Hydrolysates Using Sodium Dithionite
    Ilanidis, Dimitrios
    Stagge, Stefan
    Alriksson, Bjorn
    Jonsson, Leif J.
    [J]. PROCESSES, 2021, 9 (05)
  • [35] In-situ detoxification and enhanced oxygen mass transfer for C5 sugar acid production from corncob hemicellulose hydrolysates using activated carbon particles
    Xu, Chaozhong
    Ding, Chenrong
    Zhou, Xin
    Xu, Yong
    Gu, Xiaoli
    [J]. INDUSTRIAL CROPS AND PRODUCTS, 2023, 197
  • [36] PEI detoxification of pretreated spruce for high solids ethanol fermentation
    Cannella, David
    Sveding, Per Viktor
    Jorgensen, Henning
    [J]. APPLIED ENERGY, 2014, 132 : 394 - 403
  • [37] Optimization and modeling of diananofiltration process for the detoxification of ligno-cellulosic hydrolysates - Study at pre-industrial scale
    Nguyen, D. T. N. N.
    Lameloise, M. -L.
    Guiga, W.
    Lewandowski, R.
    Bouix, M.
    Fargues, C.
    [J]. JOURNAL OF MEMBRANE SCIENCE, 2016, 512 : 111 - 121
  • [38] Detoxification requirements for bioconversion of softwood dilute acid hydrolyzates to succinic acid
    Hodge, David B.
    Andersson, Christian
    Berglund, Kris A.
    Rova, Ulrika
    [J]. ENZYME AND MICROBIAL TECHNOLOGY, 2009, 44 (05) : 309 - 316
  • [39] Simultaneous detoxification and enzyme production of hemicellulose hydrolysates obtained after steam pretreatment
    Palmqvist, E
    HahnHagerdal, B
    Szengyel, Z
    Zacchi, G
    Reczey, K
    [J]. ENZYME AND MICROBIAL TECHNOLOGY, 1997, 20 (04) : 286 - 293
  • [40] An integrated detoxification process with electrodialysis and adsorption from the hemicellulose hydrolysates of yellow poplars
    Ly Thi Phi Trinh
    Kundu, Chandan
    Lee, Jae-Won
    Lee, Hong-Joo
    [J]. BIORESOURCE TECHNOLOGY, 2014, 161 : 280 - 287