Turbostratic carbon supported Ni-Pd alloys
in aqueous-phase hydrodechlorination of
1,1,2-trichloroethene

• Authors: A. Śrębowata , I.I. Kamińska
• Languages of publication: EN

Abstracts

EN

Two step modification of Norit CNR115 active
carbon led to formation of mesoporous turbostratic carbon
structure. Ni-Pd catalysts were prepared by incipient
wetness impregnation of turbostratic active carbon with
an aqueous solution of nickel and palladium chloride salts
and were investigated by the Temperature-Programmed
Reduction (TPR), Scanning Electron Microscopy (SEM),
High Resolution Transmission Electron Microscopy
(HRTEM), X-Ray Diffraction (XRD) and Temperature-
Programmed Hydrogenation (TPH). The aqueous-phase
hydrodechlorination of 1,1,2-trichloroethene (TCE) were
carried out in a batch reactor at room temperature.
Addition of palladium to nickel catalysts resulted in
increasing of TCE conversion from 85% for Ni100 to more
than 90% for Ni95Pd05 after 150 minutes of reaction.
Aqueous-phase hydrodechlorination of TCE led to the
formation of hydrocarbons (ethane and ethene) as the
main products. Temperature-programmed hydrogenation
of the catalysts after kinetic run have shown that during
reactions with TCE only a small amount of carbon species
were deposited on the catalysts surface and that chloride
species were not observed.

Keywords

EN

Ni-Pd catalysts; turbostratic carbon; 1,1,2-trichloroethene; hydrodechlorination; liquid phase

• Publisher: De Gruyter Open
• Journal: Recyclable Catalysis
• Year: 2015
• Volume: 2
• Issue: 1

Dates

online

10 - 4 - 2015

received

18 - 11 - 2014

accepted

22 - 1 - 2015

Contributors

author

A. Śrębowata

• Institute of Physical Chemistry, Polish Academy of
  Sciences, ul. Kasprzaka 44/52, PL-01224 Warszawa, Poland

author

I.I. Kamińska

• Institute of Physical Chemistry, Polish Academy of
  Sciences, ul. Kasprzaka 44/52, PL-01224 Warszawa, Poland

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Identifiers

DOI

10.1515/recat-2015-0003