mixSorb S series – breakthrough curve analyzer

The mixSorb S series provides unique capabilities to investigate novel materials, like MOFs, COFs etc. by mixed gas adsorption. Novel materials are in the focus of research in recent last years. These materials can have very high selectivities due to their extraordinary surface chemistry and have to be investigated by mixed gas sorption for a deeper understanding of their sorption behavior.

In contrast to the mixSorb L series, the mixSorb S series is designed for very small sample amounts (powders). Especially R&D groups have now the possibility to measure newly synthesized materials by complex dynamic sorption processes in a wide field of different gas- and gas/vapor-mixtures by using different parameters like pressure, temperature gas velocity/dwell times, cycle tests and much more. These experiments allow getting data, next to the effective adsorption performance, of kinetics, co-adsorption phenomenon or displacement effects, sorption selectivities, data of gas mixture adsorption and heat balance of the sorption process.

By using the available vapor option it is possible to work up to 2 completely independent evaporators to form fully automated and individually gas/vapor mixtures. These data allow a profound look at the co-adsorption phenomenon or displacement effects.

The related modeling software 3P sim made it possible to calculate and to modify pure gas isotherms as well as breakthrough curves and to calculate the behavior of gas/vapor-mixture equilibria.

An overview of the models of the mixSorb S series can be found below:

Specifications/Features/Benefits

• Determination of breakthrough curves
• Investigation of co-adsorption and displacement
• Determination of sorption selectivity
• Estimation of applicability of synthesized materials in technical processes
• Dynamic adsorption and desorption experiments
• Determination of single- and multi-component adsorption data
• Investigation of kinetic performance of novel materials
• In-situ sample preparation up to 400 °C
• Fully automated control via PC by using mixSorb Manager
• Automated regulation of the adsorber pressure up to 8 bar
• Up to 4 high precision mass flow controllers
• Automated built-in gas and gas/vapor mixing
• Measurement of inlet and outlet gas composition
• Tempering of sample cell by thermostat automatically
• Monitoring of pressure drop along the sample cell
• Built-in Thermo Conductivity Detector (TCD); optional gas analysis via interfaced Mass Spectrometer
• Safety guard sensor for flammable gases for automatic shut down
• Enhanced Safety by intelligent illuminated workspace

Literatur und Normen

/1/ Particle World 20; p. 26-27; “The new mixSorb S series: A perfect tool to investigate mixed gas/mixed vapor adsorption on a laboratory scale”
/2/ SO₂-Tolerant NO_x Reduction by Marvelously Suppressing SO₂ Adsorption over Fe_δCe_1−δVO₄ Catalysts, Environ. Sci. Technol. 2020, https://pubs.acs.org/doi/pdf/10.1021/acs.est.0c05038
/3/ Diammonium-Pillared MOPS with Dynamic CO2 Selectivity, Cell Reports Physical Science 2020, Volume 1, Issue 10, https://doi.org/10.1016/j.xcrp.2020.100210

Other sorption analyzers for gas/vapor-mixtures