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Study of the Effect of Time on Delignification of Young Bamboo Root for Biofuel Production

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  • Yirakpoa Patience Nwambo

    (Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria)

  • Ipeghan Jonathan Otaraku

    (Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria)

Abstract

Due to fossil fuel and product issues, alternative energy and raw materials are being studied and created. The impact of time on the delignification of young bamboo root to improve its energy potential utilising chemical pretreatment (alkali pretreatment) is examined here. Pretreated young bamboo roots were measured for moisture content. Sodium hydroxide (NaOH) pretreated the lignin, and hydrogen chloride (HCl) acid increased precipitation and yield %. Four samples (A, B, C, and D) were pretreated at constant temperature of 1000C for 30, 60, 90, and 120 minutes. Bamboo root mass was 15g, and NaOH solution concentration was 4mol/l. 0.5mol/l HCl acid was added to the filtrate until pH dropped to 2.0 to increase lignin precipitation before filtration. Acidified water pH=2.0 was used to wash and dry the lignin at specified temperature. Samples had A = 13.679g, B = 13.357g, C = 12.996g, and D = 12.221g after cellulose rich materials.. Lignin yields were 7.6%, 8.1%, 8.9%, and 9.7% for samples A=1.134g, B=1.215g, C=1.341g, and D=1.456g. Mature bamboo has more lignin than young bamboo. A yield within this range suggests that the delignification procedure is effective, but structural changes in lignin or residual lignin in treated bamboo may need to be analysed to optimise it. This result suggest that optimizing the delignification duration is crucial for maximizing biofuel yield.

Suggested Citation

  • Yirakpoa Patience Nwambo & Ipeghan Jonathan Otaraku, 2025. "Study of the Effect of Time on Delignification of Young Bamboo Root for Biofuel Production," International Journal of Research and Scientific Innovation, International Journal of Research and Scientific Innovation (IJRSI), vol. 12(4), pages 284-291, April.
    • Handle: RePEc:bjc:journl:v:12:y:2025:i:4:p:284-291
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