Current state and prospects of biomass fermentation
Zhao, Jiaqi (2024)
Kandidaatintyö
Zhao, Jiaqi
2024
School of Energy Systems, Energiatekniikka
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2024052335659
https://urn.fi/URN:NBN:fi-fe2024052335659
Tiivistelmä
This work studies the production of bioethanol from lignocellulose material, aiming to discuss the current status and future prospects of biotechnology and fermentation. The key aspects of the biomass fermentation process were discussed, including raw material selection, microbial selection and improvement, pretreatment process, hydrolysis process, fermentation process and ethanol purification. The research focuses on the improvement of various processes, waste treatment and market conditions. Special attention is given to the optimization of fermentation parameters such as temperature, pH, nutrient concentration, oxygen demand, and agitation speed, which are crucial for maximizing yield and efficiency. By analyzing these parameters and their impact on the fermentation process, this study aims to provide a comprehensive analysis of the future prospects of biomass fermentation technology, highlighting potential advancements and their implications for sustainable bioethanol production. The work also acknowledges the significant challenges such as viability of large-scale biomass fermentation, that is often limited by high capital cost, complex logistics associated to biomass supply, and competition for feedstock with food crops. Additionally, technical challenges such as efficient biomass degradation and integration of fermentation process into existing industrial infrastructure.
