Issue

Vol. 25 No. 7 (2013): Vol 25 Issue 7

Copyright (c) 2013 AJC

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Effects of Liquid-to-Solid Ratio and Reaction Time on Ammonia-Sulfuric Acid Pretreatment of Achnatherum splendens 

https://doi.org/10.14233/ajchem.2013.13597
L. Tao
School of Environmental and Municipal Engineering, Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou 730070, P.R. China ; Demonstration Center for Experimental Teaching of Environmental Science and Technology in Colleges of Gansu Province, Lanzhou 730070, P.R. China
J. Ren
School of Environmental and Municipal Engineering, Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou 730070, P.R. China ; Demonstration Center for Experimental Teaching of Environmental Science and Technology in Colleges of Gansu Province, Lanzhou 730070, P.R. China
H. Liu
School of Environmental and Municipal Engineering, Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou 730070, P.R. China ; Demonstration Center for Experimental Teaching of Environmental Science and Technology in Colleges of Gansu Province, Lanzhou 730070, P.R. China
T.R. Ni
School of Environmental and Municipal Engineering, Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou 730070, P.R. China ; School of Environmental Science and Engineering, Nankai University, Tianjin 300100, P.R. China

Corresponding Author(s) : J. Ren

renjun@mail.lzjtu.cn

Asian Journal of Chemistry, Vol. 25 No. 7 (2013): Vol 25 Issue 7

Abstract

For ammonia-sulfuric acid pretreatment of Achnatherum splendens, the ground biomass was first pretreated by soaking in aqueous ammonia with 10 wt % of ammonia at 55 ºC with 12:1 of liquid-to-solid ratio (based on wt) for 36 h. Then the pretreated solids were further treated with 0.5-2 % (w/v) sulfuric acid at liquid-to-solid ratio of 8:1-15:1 (v/w) for 0.5-3 h at 100 ºC. Increasing sulfuric acid concentration and reaction time in the second stage had significant effect on hemicellulose solubilization. Increases in sulfuric acid concentration and reaction time in the second stage caused significant decrease in hemicellulose and significant increase in cellulose and lignin. However, liquid-to-solid ratio had no significant effects on hemicellulose solubilization in the second stage. Liquid-to-solid ratio had also no significant effects on the yield of hemicellulose, cellulose and lignin in the solids after sulfuric acid pretreatment in the second stage. The optimum treatment conditions of the ammonia-sulfuric acid pretreatment were: 10 wt % of ammonia, 55 ºC, 36 h of reaction time, 12:1 of liquid-to-solid ratio (based on wt) in the first stage; 1.5 % (w/v) sulfuric acid, 8:1 (v/w) of liquid-to-solid ratio, 2 h of reaction time and 100 ºC in the second stage. Under these conditions, 91.19 % hemicellulose was solubilized and the content of cellulose was increased to 75.49 %.

Keywords

Ammonia-sulfuric acid pretreatment Hemicellulose solubilization Cellulose Hemicellulose
Tao, L., Ren, J., Liu, H., & Ni, T. (2013). Effects of Liquid-to-Solid Ratio and Reaction Time on Ammonia-Sulfuric Acid Pretreatment of Achnatherum splendens . Asian Journal of Chemistry, 25(7), 3549–3552. https://doi.org/10.14233/ajchem.2013.13597
Download Citation
Endnote/Zotero/Mendeley (RIS)
BibTeX
References
  1. B. Palmarola-Adrados, M. Galbe and G. Zacchi, J. Chem. Technol. Biotechnol., 80, 85 (2005).
  2. L.S. Yan, H.M. Zhang, J.W. Chen, Z.X. Lin, Q. Jin, H.H. Jia and H. Huang, Bioresour. Technol., 100, 1803 (2009).
  3. C. Cara, E. Ruiz, J.M. Oliva, F. Saez and E. Castro, Bioresour. Technol., 99, 1869 (2008).
  4. S.S. Silva, Z.R. Matos and W. Carvalho, Biotechnol. Progr., 21, 1449 (2005).
  5. Y. Yang, R. Sharma-Shivappa, J.C. Bums and J.J. Cheng, Energy Fuels, 23, 3759 (2009).
  6. R. Jun, T. Ling, N. Tianri, H. Jianxiu and G. Yamei, Asian J. Chem., 23, 4407 (2011).
  7. R.A. Silverstein, Y. Chen, R.R. Sharma-Shivappa, M.D. Boyette and J.A. Osborne, Bioresour. Technol., 98, 3000 (2007).
  8. C. Martín, H.B. Klinke and A.B. Thomsen, Enzyme Microb. Technol., 40, 426 (2007).
  9. C. Martin and A.B. Thomsen, J. Chem. Technol. Biotechnol., 82, 174 (2007).
  10. B.C. Saha, L.B. Iten, M.A. Cotta and Y.V. Wu, Process Biochem., 40, 3693 (2005).
  11. S.D. Zhu, Y.X. Wu and Z.N. Yu, Process Biochem., 41, 869 (2006).
  12. M. Chen, J. Zhao and L.M. Xia, Biomass Bioenergy, 33, 1381 (2009).
  13. T.H. Kim, F. Taylor and K.B. Hicks, Bioresour. Technol., 99, 5694 (2008).
  14. T.H. Kim and Y.Y. Lee, Bioresour. Technol., 97, 224 (2006).
  15. T.H. Kim and Y.Y. Lee, Appl. Biochem. Biotechnol., 136-140, 81 (2007).
  16. S. Kim and M.T. Holtzapple, Bioresour. Technol., 96, 1944 (2005).
  17. B.P. Lavarack, G.J. Grifin and D. Rodman, Biomass Bioenergy, 23, 367 (2002).
  18. I.C. Roberto, S.I. Mussatto and C.L.B. Rodrigues, Ind. Crops Prod., 17, 171 (2003).
  19. K. Karimi, S. Kheradmandinia and M.J. Taherzadeh, Biomass Bioenergy, 30, 247 (2006).
  20. B.C. Saha and M.A. Cotta, Biomass Bioenergy, 32, 971 (2008).
  21. T.H. Kim and Y.Y. Lee, Appl. Biochem. Biotechnol., 121-124, 1119 (2005).
  22. Y. Sun and J.J. Cheng, Bioresour. Technol., 96, 1599 (2005).
  23. B.S. Dien, H.J.G. Jung, K.P. Vogel, M.D. Casler, J.F.S. Lamb, L. Iten, R.B. Mitchell and G. Sarath, Biomass Bioenergy, 30, 880 (2006).
  24. G.L. Guo, W.H. Chen, W.H. Chen, L.C. Men and W.S. Hwang, Bioresour. Technol., 99, 6046 (2008).
  25. H.K. Goering and P.J. Vansoest, Forage Fiber Analysis, Agriculture Handbook, Agricultural Research Services, United States Department of Agriculture, No. 379.
Read More
Author biographies is not available.
Download
PDF
Statistic
Read Counter : 0 Download : 0