last updated by josephpayne 7 months ago
4 voices
4 replies
  • Author
    Posts
    • #17795
      geanna
      Participant

      which process removes carbon dioxide out of the atmosphere?
      a) combustion
      b) decomposition
      c) photosynthesis
      d) respiration

    • #115223
      Babybel56
      Participant

      Photosynthesis. All of the others release CO2 back again.

    • #219994
      lynnwillis
      Participant

      c) photosynthesis

    • #220000
      josephpayne
      Participant

      The process that removes carbon dioxide (CO2) from a particular environment or system is known as carbon dioxide removal (CDR) or carbon capture. There are various methods and technologies designed from https://assignmentpay.com/pay-for-research-paper/ to achieve this, each with its own specific mechanisms and applications. Here are a few common ways CO2 is removed from different environments:

      1. Natural Carbon Sinks: Natural processes like photosynthesis in plants and phytoplankton in the oceans naturally absorb carbon dioxide from the atmosphere. Forests, wetlands, and oceans are important natural carbon sinks that help remove CO2 from the atmosphere.
      2. Direct Air Capture (DAC): This technology involves the use of specialized machines or devices to capture CO2 directly from the ambient air. The captured CO2 can then be stored or utilized for various purposes, such as carbon storage, enhanced oil recovery, or in industrial processes.
      3. Carbon Capture and Storage (CCS): CCS is a technology used primarily in industrial settings, such as power plants and factories, to capture CO2 emissions before they are released into the atmosphere. The captured CO2 is then transported to a storage site (usually underground) and stored to prevent it from entering the atmosphere.
      4. Ocean-Based Methods: Ocean-based techniques, such as ocean fertilization, involve adding nutrients to certain areas of the ocean to stimulate the growth of phytoplankton, which can absorb and store CO2 from the atmosphere. These methods are still experimental and have environmental concerns associated with them.
      5. Enhanced Weathering: This method involves accelerating the natural weathering process of rocks by grinding them into fine particles and spreading them over large areas. When exposed to the atmosphere, these particles react with CO2 to form stable carbonates, effectively removing CO2 from the atmosphere.
      6. Afforestation and Reforestation: Planting trees and restoring forests in areas where they have been depleted can help sequester carbon dioxide from the atmosphere. Trees absorb CO2 during photosynthesis and store it in their biomass.
      7. Bioenergy with Carbon Capture and Storage (BECCS): BECCS is a combination of bioenergy production (e.g., biomass power plants) and carbon capture and storage. It involves growing plants for bioenergy, capturing the CO2 emitted during the bioenergy production process, and then storing it underground.
      8. Mineralization: This process involves using certain types of minerals, like olivine, to react with CO2, converting it into stable carbonates that can be stored safely.

      Each of these methods has its advantages and challenges, and their effectiveness in removing carbon dioxide from the environment can vary depending on the scale, location, and specific circumstances in which they are applied. The choice of method depends on the desired outcome and the context in which CO2 removal is needed, whether it’s mitigating climate change or improving air quality.

    • #220002
      josephpayne
      Participant

      The process that removes carbon dioxide (CO2) from a particular environment or system is known as carbon dioxide removal (CDR) or carbon capture. There are various methods and technologies designed from law essay writing service uk  to achieve this, each with its own specific mechanisms and applications. Here are a few common ways CO2 is removed from different environments:

      1. Natural Carbon Sinks: Natural processes like photosynthesis in plants and phytoplankton in the oceans naturally absorb carbon dioxide from the atmosphere. Forests, wetlands, and oceans are important natural carbon sinks that help remove CO2 from the atmosphere.
      2. Direct Air Capture (DAC): This technology involves the use of specialized machines or devices to capture CO2 directly from the ambient air. The captured CO2 can then be stored or utilized for various purposes, such as carbon storage, enhanced oil recovery, or in industrial processes.
      3. Carbon Capture and Storage (CCS): CCS is a technology used primarily in industrial settings, such as power plants and factories, to capture CO2 emissions before they are released into the atmosphere. The captured CO2 is then transported to a storage site (usually underground) and stored to prevent it from entering the atmosphere.
      4. Ocean-Based Methods: Ocean-based techniques, such as ocean fertilization, involve adding nutrients to certain areas of the ocean to stimulate the growth of phytoplankton, which can absorb and store CO2 from the atmosphere. These methods are still experimental and have environmental concerns associated with them.
      5. Enhanced Weathering: This method involves accelerating the natural weathering process of rocks by grinding them into fine particles and spreading them over large areas. When exposed to the atmosphere, these particles react with CO2 to form stable carbonates, effectively removing CO2 from the atmosphere.
      6. Afforestation and Reforestation: Planting trees and restoring forests in areas where they have been depleted can help sequester carbon dioxide from the atmosphere. Trees absorb CO2 during photosynthesis and store it in their biomass.
      7. Bioenergy with Carbon Capture and Storage (BECCS): BECCS is a combination of bioenergy production (e.g., biomass power plants) and carbon capture and storage. It involves growing plants for bioenergy, capturing the CO2 emitted during the bioenergy production process, and then storing it underground.
      8. Mineralization: This process involves using certain types of minerals, like olivine, to react with CO2, converting it into stable carbonates that can be stored safely.

      Each of these methods has its advantages and challenges, and their effectiveness in removing carbon dioxide from the environment can vary depending on the scale, location, and specific circumstances in which they are applied. The choice of method depends on the desired outcome and the context in which CO2 removal is needed, whether it’s mitigating climate change or improving air quality.

Topic tags

You must be logged in to reply to this topic.

Members