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Related Concept Videos

Biofuels01:25

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...
Energy Basics02:27

Energy Basics

Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
The First Law of Thermodynamics01:13

The First Law of Thermodynamics

The first law of thermodynamics deals with the total amount of energy in the universe. It states that this total amount of energy is constant. In other words, there has always been, and always will be, exactly the same amount of energy in the universe. Energy exists in many different forms. According to the first law of thermodynamics, energy may transfer from place to place or transform into different forms, but it cannot be created or destroyed. The transfers and transformations of energy...
Energy00:58

Energy

The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun—the ultimate energy source. For instance, plants capture light energy from the Sun, and through the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal...
Application of the Energy Equation01:04

Application of the Energy Equation

The application of the energy equation to centrifugal pumps is a fundamental principle in fluid dynamics and engineering. In this scenario, the energy equation is used to calculate the flow rate of a centrifugal pump responsible for transferring water between two reservoirs at different elevations. The pump applies an energy input of 7500 joules per second, and the vertical difference between the lower and upper reservoirs is 10 meters. Additionally, the head loss due to friction and other...
First Law of Thermodynamics00:37

First Law of Thermodynamics

The First Law of Thermodynamics states that energy cannot be created or destroyed, only transformed. This can be demonstrated within a classic food web where light energy from the sun is harnessed as radiant energy by plants, converted into chemical energy, and stored as complex carbohydrates. The vegetation is then consumed by animals and during the digestion process, the sugars release energy as heat. The sugars also produce chemical energy that either gets used up doing work, stored in...

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Related Experiment Video

Updated: Jun 26, 2026

Ultrasonic-Assisted Preparation of Biodiesel Products from Vegetable Oils
04:40

Ultrasonic-Assisted Preparation of Biodiesel Products from Vegetable Oils

Published on: April 19, 2024

Biosolutions to the energy problem.

Arnold L Demain1

  • 1The Charles A. Dana Research Institute for Scientists Emeriti, Drew University, Madison, NJ 07940, USA. ademain@drew.edu

Journal of Industrial Microbiology & Biotechnology
|January 13, 2009
PubMed
Summary

Microorganisms offer solutions to the energy crisis, producing biofuels like bioethanol, biobutanol, and biodiesel. This review explores these microbial energy production methods.

Area of Science:

  • Biotechnology and Renewable Energy

Background:

  • Global energy crisis driven by underinvestment in alternative energy sources.
  • Microbial solutions present a promising avenue for sustainable energy production.

Purpose of the Study:

  • To review microbial-based energy production methods, focusing on specific biofuels.
  • To highlight the potential of microorganisms in addressing the current energy crisis.

Main Methods:

  • Literature review of scientific publications on microbial energy production.
  • Focus on bioethanol, biobutanol, and biodiesel derived from microorganisms.

Main Results:

  • Microbial processes can yield various biofuels, including bioethanol, biobutanol, and biodiesel.
  • These biofuels represent viable alternatives to fossil fuels.

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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
07:34

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Published on: June 15, 2014

Related Experiment Videos

Last Updated: Jun 26, 2026

Ultrasonic-Assisted Preparation of Biodiesel Products from Vegetable Oils
04:40

Ultrasonic-Assisted Preparation of Biodiesel Products from Vegetable Oils

Published on: April 19, 2024

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
07:34

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Published on: June 15, 2014

Conclusions:

  • Microbial energy production is a key strategy to overcome the energy crisis.
  • Further research and development in bioenergy are crucial for a sustainable future.