Simulating adsorption processes

The challenge: Efficient adsorption processes in filter systems

Today more than ever, adsorption processes play a central role in innovative filtration systems. Whether in water treatment, air purification or industrial processes – adsorption filters enable the efficient removal of pollutants, unpleasant smells, and unwanted chemical compounds. Their versatility allows them to offer customized solutions for a wide range of requirements, from homes to medical settings, or the chemical industry.

Adsorption filters play a pivotal role in addressing the pressing issues of environmental degradation and resource depletion. Their effectiveness and versatility position them as a critical technology for ensuring a sustainable and secure future.

Optimize adsorption filter materials by applying the just-released Adsorption GeoApp in GeoDict. Accelerate product development and increase efficiency – easily and accurately!

  • Resource-saving, validated, and efficient digital testing
  • Precise timing of adsorption by the material
  • Determination of the breakthrough over time
  • Easy visualization and analysis of the results

FilTech 2024: Simulation of adsorption-based processes to remove contaminants

Overview of GeoDict solution highlights

  • Increased efficiency: Optimize flow patterns and the overall adsorption behavior in adsorption filters.
  • Cost reduction: Minimize the need for physical experiments and use efficient virtual prototyping through simulations.
  • Process understanding: Visualize and analyze transport phenomena, such as mass transfer.
  • Scalability: Simulate for filter media and for the entire filter.
  • Flexibility: Compare different adsorbents and process configurations in product development.
  • Error reduction: Predict and avoid hot spots or dead zones in the system.
  • Sustainability: Reduce development costs and resources by reducing experimental prototypes and laboratory testing.
  • Innovation: Obtain support in the development of new designs and technologies for adsorption processes for innovative filtration solutions of the future.

Verification of agreement with experimental measurements #

Validation by CO2 on type A zeolites

The Adsorption GeoApp has been verified based on the publication by Knox et al. (2014), which describes the adsorption of CO2 on a type A zeolite. In the publication, the test setup (Fig. 1) includes a 13.5 cm long packed bed with a diameter of 3 cm and a particle size of the type A zeolite used of 2 mm.

The validation was carried out according to the values given in the publication. A flow rate of 0.1 m/s and a reaction rate of 0.003 s-1 at a temperature of 19°C were used. The porosity of the bed, in this case, is 33% with a density of the porous material of 1370 kg/m3.

The results of the experiments match the results of the GeoDict simulation perfectly, as seen in Fig. 2.

The GeoDict solution for adsorption

The GeoDict package includes, in addition to GeoDict Base, all the modules needed for research and development of novel and highly efficient adsorption materials.

These materials are becoming increasingly important in the field of filtration for the removal of harmful substances. Nevertheless, adsorption simulations are applicable also in the field of rock physics for carbon sequestration.

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The nature of the application will determine which modules are best suited for it.
Here are the recommended system requirements.

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