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Catalysis

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

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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Tuning the Acidity of Pt/ CNTs Catalysts for Hydrodeoxygenation of Diphenyl Ether

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Published on: August 17, 2019

Sustainable Biomass-Derived Single-Atom Catalysts for Fenton-Like Catalysis.

Selusiwe Ncube¹, Zhihao Tian¹, Jingkai Lin¹

¹School of Chemical Engineering, The University of Adelaide, North Terrace, Adelaide, SA, 5005, Australia.

Small (Weinheim an Der Bergstrasse, Germany)

|July 9, 2025

Summary

Biomass-derived single-atom catalysts (SACs) offer a sustainable approach for environmental remediation. This review explores synthesis methods, catalytic mechanisms, and challenges for efficient micropollutant removal using SACs.

Keywords:

Fenton‐like catalysis biomass single atom catalyst transition metals water remediation

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Area of Science:

Catalysis
Environmental Science
Materials Science

Background:

Single-atom catalysis (SAC) is crucial for environmental remediation.
Developing efficient, cost-effective SACs from natural resources like biomass is a key research area.
Biomass-derived SACs are promising for Fenton-like reactions in pollutant degradation.

Purpose of the Study:

To comprehensively review synthesis methods for biomass-derived SACs.
To explore their application in environmental catalysis using various oxidants.
To elucidate structure-activity relationships and identify future research directions.

Main Methods:

Review of diverse synthesis strategies for biomass-derived SACs.
Analysis of catalytic mechanisms in Fenton-like reactions with peroxymonosulphate (PMS), peroxydisulphate (PDS), and hydrogen peroxide (H2O2).
Summary of structure-activity relationships and performance evaluations.

Main Results:

Biomass offers a sustainable precursor for synthesizing SACs.
Various synthesis methods enable controlled preparation of SACs for environmental catalysis.
Understanding the link between single-atom sites and catalytic activity is vital for optimizing performance.

Conclusions:

Biomass-derived SACs present a sustainable and efficient pathway for micropollutant remediation.
Further research is needed to overcome synthesis and application challenges.
This review provides insights for developing advanced catalysts for environmental cleanup.