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Biofuels

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...

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Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...

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Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids

Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids

Published on: August 10, 2016

Biohydrogen production from lignocellulosic feedstock.

Chieh-Lun Cheng¹, Yung-Chung Lo, Kuo-Shing Lee

¹Department of Chemical Engineering, National Cheng Kung University, Tainan 701, Taiwan.

Bioresource Technology

|May 17, 2011

Summary

Biohydrogen from cellulosic biomass offers a clean, CO2-neutral energy source. This review covers pretreatment, saccharification, and fermentation for efficient biohydrogen production from lignocellulosic materials.

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Area of Science:

Biotechnology
Renewable Energy
Environmental Science

Background:

Growing concerns over climate change and energy security necessitate clean energy alternatives.
Biohydrogen is a promising sustainable fuel, offering high efficiency and environmental benefits.
Cellulosic feedstock, including lignocellulosic biomass and microalgae, are viable sources for biohydrogen generation.

Purpose of the Study:

To review current technologies for lignocellulosic biohydrogen production.
To analyze feedstock pretreatment, saccharification, and fermentation strategies.
To discuss future directions for integrated biohydrogen processes.

Main Methods:

Literature review of state-of-the-art biohydrogen production technologies.
Analysis of feedstock pretreatment methods for lignocellulosic biomass.
Evaluation of saccharification strategies and fermentation techniques.

Main Results:

Lignocellulosic biomass requires effective pretreatment for optimal saccharification.
Various fermentation technologies exist, each with specific advantages for biohydrogen yield.
Integrated processes show potential for waste reduction and improved hydrogen output.

Conclusions:

Advancements in pretreatment, saccharification, and fermentation are crucial for efficient biohydrogen production.
Integrated biohydrogen processes can minimize CO2 emissions and maximize hydrogen yield.
Biohydrogen from lignocellulosic feedstock represents a key sustainable energy solution.