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Related Concept Videos

Reduction of Alkenes: Catalytic Hydrogenation02:13

Reduction of Alkenes: Catalytic Hydrogenation

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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

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Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...
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Environmental Applications of Microorganisms01:30

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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Green Algae01:21

Green Algae

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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Free Energy Changes for Nonstandard States03:25

Free Energy Changes for Nonstandard States

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The free energy change for a process taking place with reactants and products present under nonstandard conditions (pressures other than 1 bar; concentrations other than 1 M) is related to the standard free energy change according to this equation:
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Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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[Green Port Development - What Role Do Ports Play in Achieving Climate Goals?]

Wirtschaftsdienst (Hamburg, Germany : 1949)·2021
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[Potential Green Hydrogen: Long Road to Development, Short Time to Implementation].

Mirko Kruse1, Jan Wedemeier1

  • 1Hamburgischen WeltWirtschaftsInstitut gemeinnützige GmbH (HWWI), Fahrenheitstr. 1, 28359 Bremen, Deutschland.

Wirtschaftsdienst (Hamburg, Germany : 1949)
|January 25, 2021
PubMed
Summary

Germany

Area of Science:

  • Energy policy
  • Industrial transformation
  • Green hydrogen technology

Context:

  • The global imperative for sustainable energy solutions.
  • Germany's strategic position in the European energy market.
  • The escalating demand for green hydrogen in industrial applications.

Purpose:

  • To identify and analyze the potential areas for hydrogen utilization in Germany.
  • To assess the administrative landscape for hydrogen production and application.
  • To derive actionable recommendations for policy and implementation.

Summary:

  • This paper investigates the geographical distribution of green hydrogen production and application potentials across Germany.
  • It examines the administrative framework influencing the technological and structural transformation towards hydrogen energy.

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  • Recommendations are formulated to accelerate implementation and maintain international competitiveness.

    • Impact:

    • Provides a data-driven basis for Germany's national hydrogen strategy.
    • Informs policymakers on optimizing resource allocation for green hydrogen infrastructure.
    • Supports the acceleration of the energy transition and industrial decarbonization.