Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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...

Bioreactor Controls-I

Bioreactor Controls-I

Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...

Production of Alcohol

Production of Alcohol

Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...

Bioreactor Design and Operational System

Bioreactor Design and Operational System

Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...

Bioreactor Controls-II

Bioreactor Controls-II

In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the fermentor via a sparger...

Fermentation

Fermentation

Most eukaryotic organisms require oxygen to survive and function adequately. Such organisms produce large amounts of energy during aerobic respiration by metabolizing glucose and oxygen into carbon dioxide and water. However, most eukaryotes can generate some energy in the absence of oxygen by anaerobic metabolism.
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Fermentative volatile fatty acid production and recovery from grass using a novel combination of solids separation, pervaporation, and electrodialysis technologies.

Bioresource technology·2021

Same author

Comparison of joint degeneration and pain in male and female mice in DMM model of osteoarthritis.

Osteoarthritis and cartilage·2021

Same author

Effect of Residual Bacteria on the Outcome of Pulp Regeneration In Vivo.

Journal of dental research·2016

Same author

Effect of Phospholipase C-gamma1 Overexpression on the Protein Level of Waf1, PCNA, and Cyclin B1 Following Ultraviolet C Irradiation.

Cancer research and treatment·2015

Same author

An improved titration model reducing over estimation of total volatile fatty acids in anaerobic digestion of energy crop, animal slurry and food waste.

Water research·2014

Same author

An evaluation of washing and extraction techniques in the analysis of ethyl glucuronide and fatty acid ethyl esters from hair samples.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences·2014

Search research articles

Related Experiment Video

Updated: Jun 1, 2026

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Published on: June 15, 2014

Fermentative biohydrogen production systems integration.

A J Guwy¹, R M Dinsdale, J R Kim

¹The Sustainable Environment Research Centre, Faculty of Health, Sport and Science, University of Glamorgan, Pontypridd, Mid. Glamorgan CF37 1DL, UK. ajguwy@glam.ac.uk

Bioresource Technology

|May 31, 2011

Summary

This summary is machine-generated.

Integrating acidogenic fermentation with other bioprocesses like anaerobic digestion and bioelectrochemical systems can enhance hydrogen and energy recovery from biomass. This approach improves efficiency and adaptability for wider applications.

More Related Videos

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

Published on: March 22, 2024

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

Published on: July 13, 2012

Related Experiment Videos

Last Updated: Jun 1, 2026

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Published on: June 15, 2014

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

Published on: March 22, 2024

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

Published on: July 13, 2012

Area of Science:

Biotechnology
Renewable Energy
Biomass Conversion

Background:

Acidogenic fermentation produces hydrogen from biomass, with effluent suitable for further energy recovery.
Various technologies exist for energy recovery, including anaerobic digestion, photo-fermentation, and bioelectrochemical systems.

Purpose of the Study:

To review and assess technologies for integrating with fermentative hydrogen production.
To discuss the principles, benefits, and challenges of such integrated bioprocesses.

Main Methods:

Review of existing literature on anaerobic digestion, dark fermentative hydrogen production, photo-fermentation, and bioelectrochemical systems.
Analysis of system configurations for integrating these technologies with fermentative hydrogen production.

Main Results:

Integrated systems can increase biomass conversion efficiency to energy.
Integration offers improved adaptability to varied operating conditions and enhanced stability.
System complexity increases, but broader applicability and substrate range are achieved.

Conclusions:

Integrating fermentative hydrogen production with other bioprocesses is a promising strategy for enhanced energy recovery from biomass.
These integrated systems demonstrate potential for increased efficiency, stability, and adaptability, broadening the scope of bioprocess applications.