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Projects / Programmes source: ARIS

Katalitska hidrogenacija nitratnega iona v vodnih raztopinah (Slovene)

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Research activity

Code Science Field Subfield
2.02.04  Engineering sciences and technologies  Chemical engineering  Catalysis and reaction engineering 

Code Science Field
T350  Technological sciences  Chemical technology and engineering 
T270  Technological sciences  Environmental technology, pollution control 
Keywords
Pd-Cu bimetallics, hydrogenation, aqueous solution, removal of nitrates, three-phase reactor systems
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (3)
no. Code Name and surname Research area Role Period No. of publications
1.  09773  PhD Jurkica Batista  Chemical engineering  Researcher  1999 - 2001  128 
2.  03124  PhD Gorazd Berčič  Chemical engineering  Researcher  2000 - 2001  135 
3.  11874  PhD Albin Pintar  Chemical engineering  Head  1998 - 2001  852 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0104  National Institute of Chemistry  Ljubljana  5051592000  21,007 
Abstract
Heterogeneously catalyzed liquid-phase hydrogenation of aqueous nitrate solutions represents a promising technique for removal of nitrates and nitrites from contaminated drinking water streams and industrial effluents. In order to improve the reaction kinetics and selectivity, optimization and characterization of Pd-Cu bimetallic catalysts by means of physical and SEM, mapping, TEM, EDX, EXAFS, AES, FTIR, TPD, UV/VIS and XRD methods will be performed. Structure of an active center as well as the reaction mechanism will be investigated in detail. Influence of reaction parameters (such as temperature, hydrogen partial pressure, catalyst concentration (loading, initial or feed nitrate ion concentration, pH value of the aqueous solution, ionic strength) on the catalytic reduction of aqueous nitrate solutions will be studied in laboratory and pilot batch as well as continuous-flow reactor systems, the latter being operated in various flow regimes. Thus, kinetic data and other process parameters, required for a successful design and economical operation of an industrial reduction reactor will be obtained.
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