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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 2025 - Stanislaw Dzwigaj

Stanislaw Dzwigaj

Sorbonne University, France
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Thomas J Webster

Thomas J Webster

Interstellar Therapeutics, United States
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Dai Yeun Jeong

Dai Yeun Jeong

Asia Climate Change Education Center, Korea, Republic of
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Vladislav Sadykov

Vladislav Sadykov

Boreskov Institute of Catalysis, Russian Federation
CAT 2025 Speakers
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Beatrice Vincenti

Beatrice Vincenti

Sapienza University of Rome, Italy
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Delia Teresa Sponza

Delia Teresa Sponza

Dokuz Eylul University, Turkey
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Haibo Ge

Haibo Ge

Texas Tech University, United States
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Pengju Wu

Pengju Wu

School of Energy and Power Engineering Jiangsu University, China
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Yaxin Su

Yaxin Su

Donghua University, China
Speaker at Catalysis, Chemical Engineering & Technology 2025 - Majed Alamoudi

Majed Alamoudi

King Abdulaziz University, Saudi Arabia

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