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Transformations of bamboo into bioethanol through biorefinery
Minal Deshmukh1, Aadil Pathan2
1School of Petroleum Engineering, MIT World Peace University, Paud Road, Kothrud, Pune, 411038, India.
Environmental Science and Pollution Research International
|December 16, 2023
Summary
Bamboo is a sustainable lignocellulosic substrate for bioethanol production. Optimized NaOH and ultra-high-pressure explosion pretreatment enhances enzymatic hydrolysis, yielding up to 95.1% bioethanol.
Area of Science:
- Biomass energy conversion
- Sustainable fuel production
- Lignocellulosic feedstock utilization
Background:
- Growing global energy demand necessitates research into renewable alternatives.
- Bamboo offers a sustainable, high-yield lignocellulosic feedstock for biofuel production.
- Bioethanol is a key alternative fuel gaining international attention.
Purpose of the Study:
- To review cost and process parameters for bioethanol synthesis from bamboo.
- To enhance bioethanol production efficiency through optimized pretreatment, enzymatic hydrolysis, and fermentation.
- To focus on environmentally sustainable bioethanol production methods.
Main Methods:
- Review of pretreatment techniques, focusing on NaOH and ultra-high-pressure explosion (UHPE).
- Analysis of enzymatic hydrolysis efficiency under varying conditions.
- Evaluation of fermentation parameters for optimal ethanol yield.
Main Results:
- Bamboo pretreated with NaOH and UHPE shows superior enzymatic hydrolyzability compared to other NaOH methods.
- Optimal conditions (100 MPa, 121°C, 70 rpm for 2h) yield 89.7-95.1% ethanol after 24h.
- Identification of specific bamboo species suitable for different value-added bioethanol products.
Conclusions:
- Optimized bamboo pretreatment significantly improves bioethanol yield.
- UHPE combined with NaOH offers an efficient and sustainable method for bioethanol production.
- This review provides a guide for selecting bamboo species and optimizing processes for bioethanol synthesis.
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