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Related Concept Videos

Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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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...
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Related Experiment Video

Updated: Jun 8, 2026

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation
11:31

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

Published on: July 13, 2012

[Progress on biogas technology and engineering].

Xiaofeng Liu1, Yuexiang Yuan, Zhiying Yan

  • 1Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, China.

Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
|October 20, 2010
PubMed
Summary

Biogas, produced from anaerobic digestion of organic waste, is a key renewable energy source. This review covers advancements in biogas technology, focusing on production and applications for sustainable energy.

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

  • Biotechnology and Environmental Science
  • Anaerobic Digestion and Renewable Energy

Context:

  • Growing demand for sustainable energy solutions and dwindling fossil fuel reserves.
  • Biogas production from diverse organic wastes (municipal, agricultural, industrial) via anaerobic digestion.
  • Established technologies, with complete-mixing mesophilic fermentation being the most common.

Purpose:

  • To review updated progress in biogas technologies.
  • To focus on anaerobic microorganisms, bioreactor configurations, and process development.
  • To project the future perspectives of biogas as a clean and renewable energy source.

Summary:

  • Biogas is generated through anaerobic fermentation of organic waste by microorganisms.
  • Key areas reviewed include microbial aspects, reactor designs, and process optimization.
  • The review highlights biogas production methods and diverse applications, particularly in combined heat and power (CHP).

Impact:

  • Highlights Europe's (especially Germany's) leadership in biogas for combined heat and power (CHP).
  • Projects the significant role of biogas in the global transition towards clean and renewable energy.
  • Provides insights into technological advancements for enhanced biogas production and utilization.