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Environmental Applications of Microorganisms

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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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Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
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Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
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Updated: Jul 19, 2025

Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production
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Methane-to-chemicals: a pathway to decarbonization.

Nikolai Nesterenko1, Izabel C Medeiros-Costa1, Edwin B Clatworthy2

  • 1TotalEnergies One Tech Belgium, Zone Industrielle C, Seneffe 7181, Belgium.

National Science Review
|August 11, 2023
PubMed
Summary

Methane-to-chemicals processes offer a sustainable path for the downstream industry, boosting decarbonization potential. This review explores how these technologies can support greener chemical production and CO2 utilization.

Keywords:
chemicalsdecarbonizationmethanepathways

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Area of Science:

  • Petrochemistry and Sustainable Chemical Manufacturing

Background:

  • Methane utilization for chemical production faces economic challenges compared to conventional methods due to high initial investment.
  • Decarbonization of the downstream industry is crucial for sustainability and requires innovative solutions beyond traditional carbon capture, utilization, and storage (CCUS).

Purpose of the Study:

  • To review and outline potential strategies for integrating methane-to-chemicals processes into the downstream industry.
  • To explore how these integrated processes can support industrial decarbonization and promote the utilization of CO2.

Main Methods:

  • Literature review of existing methane-to-chemicals technologies and their potential applications.
  • Analysis of the role of gas-to-chemicals processes in enhancing renewable energy's decarbonization impact.
  • Evaluation of strategies for CO2-free processes and external CO2 utilization in chemical manufacturing.

Main Results:

  • Methane-to-chemicals processes present a viable pathway for achieving sustainability and decarbonization in the chemical industry.
  • Integration with methane-to-chemicals can unlock economic potential and enhance the decarbonization capabilities of renewable energy.
  • These processes offer a preferred alternative to CCUS by enabling greener production and valuable CO2 utilization.

Conclusions:

  • Methane-to-chemicals processes are key to the future of sustainable petrochemistry.
  • Successful integration can significantly advance industrial decarbonization goals and promote a circular economy for CO2.
  • Further development and implementation are encouraged to realize the full potential of these greener chemical manufacturing pathways.