Effect of Steam Flash Explosion Conditions on Preparation of Reed Pulp

Year : 2025 | Volume : 16 | Issue : 02 | Page : 115 128
    By

    Ryu-Gyong Kim,

  • Yong-Chol Jang,

  • Il-Hak Kim,

  • Tan-Gyol Yun,

  • Su-Il Kim,

  1. Professor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  2. Professor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  3. Professor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  4. Professor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  5. Professor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea

Abstract

The effects of different steam explosion conditions on preparation of reed pulp by steam flash explosion were analyzed. Because the main factors affecting steam explosion are steam pressure, retention time and liquid-to-reed ratio, so that the effects of these conditions on the steam explosion pretreated reed straw, and constituent of reed pulp were analyzed. Reed straw samples, 2~3cm in length, were loaded into a 5L stainless steel reactor and treated by saturated steam for various retention time, respectively.  The analysis parameters were yield (steam explosion, washing and digestion yield), composition (alpha-cellulose content, holocellulose content, hot water extract, content of pentosan, degree of delignification), reducing sugar content and total sugar content, and all experiments were performed in duplicate, and the average results are shown. FTIR and SEM were used in this study to comprehensively investigate the characteristics of the steam exploded reed straw. The untreated and steam explosion pretreated reed straw samples were subjected to an FTIR analysis, and the changes in chemical structure were investigated. FTIR spectra for both the pretreated and untreated reed straw samples indicate that no new functional groups and chemical bonds were produced in the reed straw after the steam explosion. SEM photos of reed straw treated by steam explosion under different pressures show that steam explosion method is a very effective method in modifying the properties of reed cellulose. The results of the research presented in this paper are considered to be a very important basis for future application of the reed.

Keywords: Steam explosion, Reed straw, SEM, FTIR, Modification

[This article belongs to Journal of Modern Chemistry & Chemical Technology ]

How to cite this article:
Ryu-Gyong Kim, Yong-Chol Jang, Il-Hak Kim, Tan-Gyol Yun, Su-Il Kim. Effect of Steam Flash Explosion Conditions on Preparation of Reed Pulp. Journal of Modern Chemistry & Chemical Technology. 2025; 16(02):115-128.
How to cite this URL:
Ryu-Gyong Kim, Yong-Chol Jang, Il-Hak Kim, Tan-Gyol Yun, Su-Il Kim. Effect of Steam Flash Explosion Conditions on Preparation of Reed Pulp. Journal of Modern Chemistry & Chemical Technology. 2025; 16(02):115-128. Available from: https://journals.stmjournals.com/jomcct/article=2025/view=215220


References

[1]Asada, C., Nakamura, Y., Kobayashi, F., 2005. Waste reduction system for production of useful materials from un-utilized bamboo using steam explosion followed by various conversion methods. Biochem. Eng. J. 23, 131–137.

[2]Chen, H.Z., Liu, L.Y., 2007. Unpolluted fractionation of wheat straw by steam explosion and ethanol extraction. Bioresour. Technol. 98, 666–676.

[3]Chen, W.H., Pen, B.L., Yu, C.T., Hwang, W.S., 2011. Pretreatment efficiency and structural characterization of rice straw by an integrated process of dilute-acid and steam explosion for bioethanol production. Bioresour. Technol. 102, 2916–2924.

[4] Chacha, N., Toven, K., Mtui, G., Katima, J., & Mrema, G.  (2011). Steam pretreatment of pine (Pinus patula) wood residue for the production of reducing saccharides. Cellulose Chemistry and Technology, 45(7), 495.

[5] Asada C, Sholahuddin S, Nakamura Y. Biorefinery system of lignocellulosic biomass using steam explosion. In: Sand A, Banga S, editors. Cellulose Science and Derivatives. London: IntechOpen; 2021.

[6] Volynets, B., & Dahman, Y.  (2011). Assessment of pretreatments and enzymatic hydrolysis of wheat straw as a saccharide source for bioprocess industry.Int J Energy Environ, 2(3), 427-446.

[7] Josefsson, T., Lennholm, H., & Gellerstedt, G.  (2002). Steam explosion of aspen wood. Characterisation of reaction products. Holzforschung, 56(3), 289-297.

[8] Ballesteros, I., Negro, M.  J., Oliva, J.  M., Cabañas, A., Manzanares, P., & Ballesteros, M.  (2006, January). Ethanol production from steam-explosion pretreated wheat straw. In Twenty-Seventh Symposium on Biotechnology for Fuels and Chemicals (pp.496- 508).Humana Press.

[9] Schultz, T.  P., Biermann, C.  J., & McGinnis, G.  D.  (1983). Steam explosion of mixed hardwood chips as a biomass pretreatment. Industrial & Engineering Chemistry Product Research and Development, 22(2), 344-348.

[10] Gao, M., Xu, F., Ji, X., Chen, S., & Zhang, D.  (2010). Effect of SC-CO2 pretreatment in increasing rice straw biomass conversion.Biosystems engineering, 106(4), 470-475.

[11] Donaldson, L.  A., Wong, K.  K.  Y., & Mackie, K.  L. (1988). Ultrastructure of steam exploded wood. Wood science and technology, 22(2), 103-114.

[12] Martin-Sampedro, R., Capanema, E.  A., Hoeger, I., Villar, J.  C., & Rojas, O.  J.  (2011). Lignin changes after steam explosion and laccase-mediator treatment of eucalyptus wood chips. Journal of agricultural and food chemistry, 59(16), 8761- 8769.

[13] Jedvert, K., Saltberg, A., Lindström, M., & Theliander, H.  (2011). Extraction of hemicelluloses after chemical pretreatment combined with mild steam explosion. In 16th International Symposium on Wood, Fiber and Pulping Chemistry, ISWFPC,  Tianjin, 8 June through 10 June 2011 (Vol.  2, pp.  867-871).

Regular Issue Subscription Original Research
Volume 16
Issue 02
Received 02/06/2025
Accepted 26/06/2025
Published 30/06/2025
Publication Time 28 Days
30

Login


My IP

PlumX Metrics