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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 2024 - Stanislaw Dzwigaj

Stanislaw Dzwigaj

Sorbonne University, France
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Thomas J Webster

Thomas J Webster

Interstellar Therapeutics, United States
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Alec Groysman

Alec Groysman

Technion (Israeli Institute of Technology), Israel
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Dai Yeun Jeong

Dai Yeun Jeong

Asia Climate Change Education Center, Korea, Republic of
CAT 2024 Speakers
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Thomas J Colacot

Thomas J Colacot

MilliporeSigma, United States
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Marta Litter

Marta Litter

University of General San Martin, Argentina
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Osman Adiguzel

Osman Adiguzel

Firat university, Turkey
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Sergey Suchkov

Sergey Suchkov

The Russian University of Medicine and The Russian Academy of Natural Sciences, Russian Federation, Russian Federation
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Suresh C Ameta

Suresh C Ameta

Paher University, India
Speaker at Catalysis, Chemical Engineering & Technology 2024 - Shunli Wang

Shunli Wang

Smart Energy Storage Institute, China

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