Adsorption Isothermal Microcalorimeters

Catalysis on Metal group

BT2.15 (77K-200°C) Calvet Calorimeter of SETRAM combined with a house-designed volumetric-barometric system.

  • Gas and liquid probe molecules
  • House-designed volumetric-barometric  System (Adsorption isotherms)
  • House-designed calorimetric cell for  static and dynamic application  (Adsorption, Activation, Reaction)

 

 

 

 

Calorimeter            Temperature range              Sensitivity
MS70 x2                  RT to +100 °C                      1.5 μV/mW
HT 1000                  RT to +1000 °C                    2.5 μV/mW
BT2.15                    -196 °C to +200 °C               35 μV/mW

Temperature range                   77 K –1000 °C
Pressure                                     10-8 mbar to 1bar
Sample                                       mcatalyst max ~ 3g
Available Gases                         H2, CO, CO2, NH3, O2, CxHy Reactive mixtures
Methods                                     microcalorimetry
Detection
Inert Transfer                             Separate reaction setup

1.
Wrabetz, S.; Yang, X.; Tzolova-Müller, G.; Schlögl, R.; Jentoft, F. C.: Characterization of catalysts in their active state by adsorption microcalorimetry: Experimental design and application to sulfated zirconia. Journal of Catalysis 269 (2), pp. 351 - 358 (2010)
2.
Frank, B.; Wrabetz, S.; Khavryuchenko, O.; Blume, R.; Trunschke, A.; Schlögl, R.: Calorimetric Study of Propane and Propylene Adsorption on the Active Surface of Multiwalled Carbon Nanotube Catalysts. ChemPhysChem 12 (15), pp. 2709 - 2713 (2011)
3.
Amakawa, K.; Wrabetz, S.; Kröhnert, J.; Tzolova-Müller, G.; Schlögl, R.; Trunschke, A.: In Situ Generation of Active Sites in Olefin Metathesis. Journal of the American Chemical Society 134 (28), pp. 11462 - 11473 (2012)
4.
Arrigo, R.; Schuster, M. E.; Abate, S.; Giorgianni, G.; Centi, G.; Perathoner, S.; Wrabetz, S.; Pfeifer, V.; Antonietti, M.; Schloegl, R.: Pd supported on carbon nitride boosts the direct hydrogen peroxide synthesis. ACS Catalysis 6 (10), pp. 6959 - 6966 (2016)
5.
Mette, K.; Kühl, S.; Tarasov, A.; Willinger, M. G.; Kröhnert, J.; Wrabetz, S.; Trunschke, A.; Scherzer, M.; Girgsdies, F.; Düdder, H. et al.; Kähler, K.; Friedel Ortega, K.; Muhler, M.; Schlögl, R.; Behrens, M.; Lunkenbein, T.: High-Temperature Stable Ni Nanoparticles for the Dry Reforming of Methane. ACS Catalysis 6 (10), pp. 7238 - 7248 (2016)
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