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Related Concept Videos

Equivalent Capacitance01:19

Equivalent Capacitance

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From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
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Equivalent Capacitance01:19

Equivalent Capacitance

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Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
The following strategies are adopted to calculate...
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Capacitors and Capacitance01:18

Capacitors and Capacitance

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A device consisting of two electrical conductors that are separated by a distance and used to store electrical charges is called a capacitor. The space between the conductors is either a vacuum or an insulating material, called a dielectric. Capacitors have many applications, ranging from filtering static from radio reception to energy storage in heart defibrillators.
When the conductors are two identical parallel plates, it is called a parallel plate capacitor. When battery terminals are...
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The Carbon Cycle01:14

The Carbon Cycle

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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.
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Carbon Skeletons01:12

Carbon Skeletons

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Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
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Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

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In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
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Mechanistic Insights Into Supercapacitive Swing Adsorption via Acid-Base Titrations.

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Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation
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Capacitance for Carbon Capture.

Kai Landskron1

  • 1Department of Chemistry, Lehigh University, 6 East Packer Avenue, Bethlehem, PA, 18015, USA.

Angewandte Chemie (International Ed. in English)
|February 23, 2018
PubMed
Summary

This study introduces a sustainable metal recycling method using capacitance-assisted carbon capture and sequestration. It efficiently converts scrap metal and carbon dioxide into valuable metal carbonates with low energy costs.

Keywords:
carbon captureenergygreenhouse gasscrap metalsupercapacitive swing adsorption

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Area of Science:

  • Materials Science
  • Environmental Engineering
  • Electrochemistry

Background:

  • Metal recycling presents environmental challenges.
  • Carbon capture and sequestration (CCS) is crucial for mitigating climate change.
  • Developing cost-effective CCS technologies is a priority.

Purpose of the Study:

  • To present a novel, sustainable method for metal recycling.
  • To demonstrate a capacitance-assisted carbon capture and sequestration process.
  • To convert scrap metal and CO2 into metal carbonates efficiently.

Main Methods:

  • Utilizing scrap metal as a reactant.
  • Employing a capacitance-assisted electrochemical approach.
  • Integrating carbon capture and metal carbonate formation.

Main Results:

  • Successful conversion of scrap metal and CO2 into metal carbonates.
  • Achieved attractive energy costs for the process.
  • Demonstrated a sustainable pathway for metal valorization.

Conclusions:

  • The developed method offers a sustainable solution for metal recycling.
  • Capacitance-assisted CCS is a viable technology for CO2 utilization.
  • This process presents an economically attractive route for producing metal carbonates.