Carbon, Zeolites and Molecular Sieves: Solutions for Characterization

Activated and porous carbons along with zeolites and molecular sieves largely owe their industrial value to the ability to control the rate of transport of different molecules. This characteristic gives rise to a broad range of applications in gas separation, catalysis, the selective adsorption of pollutants and ion exchange. For example, activated and ordered mesoporous carbons, carbon nanotubes, carbon aerogels are used routinely in gas adsorption and separation, water treatment and gas storage, and to moderate the electrochemical reactions that drive batteries. Crystalline alumino-silicate zeolites on the other hand offer the high temperature stability and acidic properties required for catalytic applications in the oil refining and petrochemical industry.  Modern zeolites “designed” with a hierarchical pore structure combine both micropores and mesopores to offer even faster diffusion and higher hydrothermal stability and are particularly prized for catalytic applications. 

In addition to the above, fine, non-porous, carbon black powders are used as additives or fillers in rubbers, printer toners and paints. Carbon black compatibility with the host matrix is strongly related to parameters such as particle size, shape and surface texture.

Micromeritics offers an established suite of physical and chemical characterization techniques for carbons, zeolites and molecular sieves that reliably and robustly measure:

These advanced, trusted and highly efficient systems:

  • Precisely characterize internal structure via metrics such as pore size, pore volume, total exposed surface area, and skeletal density, supporting its optimization for specific applications.
  • Quantify the number and interaction energy of surface-active sites for catalytic zeolites, to elucidate strategies for improving reactivity.
  • Characterize adsorption performance under industrially relevant conditions.

Find out more about our solutions for carbons, zeolites and molecular sieves.

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