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Related Concept Videos

The Carbon Cycle01:14

The Carbon Cycle

Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

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...
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
Bioremediation00:46

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
Microbes and the Carbon Cycle01:24

Microbes and the Carbon Cycle

The carbon cycle is a fundamental Earth process involving the transfer of carbon among the biosphere, lithosphere, atmosphere, and hydrosphere. It plays a critical role in regulating the planet’s climate and supporting life by cycling carbon through various chemical forms and reservoirs. Carbon primarily circulates as carbon dioxide (CO₂), representing its oxidized form, while reduced forms such as methane (CH₄) and organic compounds also play essential roles.Microbial activity is central to...
Carbon Dioxide Transport in the Blood01:19

Carbon Dioxide Transport in the Blood

Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...

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Related Experiment Video

Updated: Jul 17, 2026

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture
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A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

Published on: September 29, 2023

Carbon dioxide capture and geological storage.

Sam Holloway1

  • 1British Geological Survey, Keyworth, Nottingham NG12 5GG, UK. shol@bgs.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|February 3, 2007
PubMed
Summary

Carbon dioxide capture and geological storage can significantly reduce industrial emissions by 80-90%. Key challenges include financing and ensuring the security of underground storage for captured carbon.

Area of Science:

  • Environmental Science
  • Geology
  • Chemical Engineering

Background:

  • Fossil fuels remain a primary energy source, necessitating emission reduction strategies.
  • Carbon dioxide capture and geological storage (CCGS) offers a method to mitigate atmospheric CO2 from industrial sources.
  • CCGS technology involves capturing CO2, transporting it, and isolating it in underground reservoirs.

Purpose of the Study:

  • To evaluate the potential of carbon dioxide capture and geological storage (CCGS) in reducing industrial emissions.
  • To identify the primary challenges associated with the implementation of CCGS technology.

Main Methods:

  • The study outlines the process of CCGS, including CO2 capture at industrial sites.
  • It describes the transportation of captured CO2 to geological storage locations.

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  • Long-term isolation within geological reservoirs is detailed as the final step.

    • Main Results:

    • CCGS technology has the potential to reduce carbon dioxide emissions by 80-90% from large industrial installations.
    • Significant interest exists due to its role in managing emissions from fossil fuel reliance.
    • The primary obstacles identified are the associated costs and the security of geological storage.

    Conclusions:

    • Carbon dioxide capture and geological storage is a viable technology for substantial industrial emission reduction.
    • Addressing cost and storage security are critical for the widespread adoption of CCGS.
    • CCGS can play a crucial role in mitigating climate change while fossil fuels remain dominant.