New Product-dynaSorb BT™- Dynamic Sorption Breakthrough Analyzer

Breakthrough Analysis - Gas Mixture Sorption Data - Kinetics - Sorption Selectivities

The dynaSorb BT™ series provides unique capabilities to investigate arbitrarily complex dynamic sorption processes in a uniquely safe and easy-to-use bench-top instrument. Technical adsorbents such as zeolites, active carbons, silica gels, etc. can be investigated under authentic process conditions in a broad temperature (-20 °C to 400 °C) and pressure (up to 10 bar) range, with adjustable gas flow rates up to 40 L/min and well-defined gas compositions.

• Determination of breakthrough curves
• Investigation of kinetic performance of adsorbents
• Investigation of co-adsorption and displacement phenomena
• Determination of sorption selectivity
• Reasonable downscaling of technical separation processes
• Dynamic adsorption and desorption experiments
• Determination of single- and multi-component adsorption data

ADSORBER
The stainless-steel adsorber can accommodate large sample amounts (up to 100 ml) to simulate an authentic fixed bed adsorber with realistic gas flow conditions. Four temperature sensors along the adsorber axis monitor the release, consumption and propagation of heat due to adsorption/desorption of gas molecules. The direction of gas flow through the adsorber can be switched between up- and down-stream to investigate bed regeneration and adsorption-desorption cycles. Sample preparation can be done in-situ in inert gas flux and temperatures up to 400 °C. Tempering of the inlet gas and the adsorber allows for uncompromised temperature control throughout the measurement. High precision mass flow controllers are used for quick and stable gas mixing and flow rate control. The adsorber pressure can be regulated up to 10 bar.

FEATURES

• Fully automated control via PC
• Sequential adsorption and desorption experiments
• In-situ sample preparation
• Countercurrent gas flow
• Automated regulation of the adsorber pressure up to 10 bar
• Up to 4 high precision mass flow controllers
• Automated built-in gas mixing
• Measurement of inlet and outlet gas composition
• Pre-tempering of inlet gas and tempering of adsorber
• Monitoring of inlet gas temperature
• Determination of heat profiles in the adsorber with four temperature sensors
• Monitoring of pressure drop along the adsorber
• 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

SOFTWARE
The user-friendly control software dynaWin provides real-time control and programmable operation of all system functions, such as:

• Gas flow rates and gas concentrations
• Temperature ramps and dwell times for in-situ sample preparation
• Real-time data representation
• Manual mode control
• Demo mode for operator training and education
• Historical data trending
• User account management (hierarchy of user levels)
• Definition of analysis conditions and intelligent start/stop criteria
• Configuration of arbitrarily complex analysis sequences
• Fully automated processing of analysis sequences
• Well-structured log files
• Auto save function

The status of all sensors and valves, the path and direction of gas flow and all relevant system information for safe and convenient operation can be viewed at a glance on the controlling PC. The simulation software dynaSim provides sophisticated data reduction and simulation capabilities, such as:

• Integration of break through curves
• Parameter studies
• Simulation and prediction of break through behavior and heat profiles
• Calculation of single- and multi-component adsorption data
• Determination of selectivity, affinity and kinetic coefficients

Profound technical calculations or basic research, dynaSim accommodates it all, making it a powerful tool for, both, industry and academia.

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Quantachrome Instruments is a global leader in laboratory material characterization instrumentation for analysis of porous materials and powders.