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Heterogeneous Catalysis

Heterogeneous catalysis is a kind of catalysis in which the catalyst involves a different phase from the reactants and products. This may assign to the physical phase - solid, liquid, or gas - but also to immiscible fluids.

Most heterogeneous catalysts are solids that work within gaseous or liquid reactants. It has active places on its surface onto which the reactants are adsorbed and then associate with the catalyst. This interaction develops the reactivity of the molecules.

Acid catalysis, organometallic catalysis, and enzymatic catalysis are samples of homogeneous catalysis. In such cases, acids and bases are frequently very efficient catalysts, as they can speed up reactions by changing bond polarization.

Heterogeneous catalysis typically includes solid-phase catalysts and gas-phase reactants. In this case, there is a cycle of molecular adsorption, reaction, and desorption happening at the catalyst surface. Thermodynamics, mass transfer, and heat transfer impact the rate of reaction.

Heterogeneous catalysis has at least four steps:

  • Adsorption of the reactant onto the surface of the catalyst.
  • Activation of the adsorbed reactant
  • Reaction of the adsorbed reactant.
  • Diffusion of the product from the surface into the gas or liquid phase
Committee Members
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Debasish Kuila

Debasish Kuila

North Carolina A&T State University, United States
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Thomas J Webster

Thomas J Webster

Interstellar Therapeutics, United States
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Thomas J Colacot

Thomas J Colacot

MilliporeSigma, United States
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Yiannis Deligiannakis

Yiannis Deligiannakis

University of Ioannina, Greece
CAT 2023 Speakers
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Marta Litter

Marta Litter

University of General San Martin, Argentina
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Osman Adiguzel

Osman Adiguzel

Firat university, Turkey
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Nikolaos C Kokkinos

Nikolaos C Kokkinos

International Hellenic University, Greece
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Sakmeche Mounir

Sakmeche Mounir

University of Adrar, Algeria
Speaker at Catalysis, Chemical Engineering & Technology 2023 - Mohamed Oubaouz

Mohamed Oubaouz

University sultan Moulay Slimane, Morocco

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