Sustainable bioethanol production by solid-state fermentation: a systematic review.

Area of Science:

• Biotechnology and Bioengineering
• Sustainable Energy Production
• Microbial Fermentation

Background:

• Growing global population increases demand for sustainable energy like bioethanol.
• Traditional bioethanol production from food crops threatens food security and economic viability.
• Need for alternative, cost-effective raw materials and efficient production technologies.

Purpose of the Study:

• To review the applications of Solid-State Fermentation (SSF) in bioethanol production.
• To highlight recent advancements in SSF technology for sustainable bioethanol.
• To assess the economic feasibility of SSF compared to conventional methods.

Main Methods:

• Systematic review of scientific literature on Solid-State Fermentation for bioethanol.
• Analysis of studies focusing on microbial cultivation on solid substrates without free water.
• Evaluation of SSF's efficiency, cost-effectiveness, and environmental impact.

Main Results:

• Solid-State Fermentation (SSF) demonstrates high efficiency in bioethanol production.
• SSF eliminates the need for sugar extraction, reducing processing costs and wastewater.
• This method utilizes low-cost raw materials, enhancing economic competitiveness.

Conclusions:

• Solid-State Fermentation (SSF) is a promising technology for sustainable and cost-effective bioethanol.
• Advancements in SSF offer solutions to the limitations of first-generation bioethanol production.
• SSF contributes to energy security without compromising food supplies.