All

What are you looking for?

All
Projects
Results
Organizations

Quick search

  • Projects supported by TA ČR
  • Excellent projects
  • Projects with the highest public support
  • Current projects

Smart search

  • That is how I find a specific +word
  • That is how I leave the -word out of the results
  • “That is how I can find the whole phrase”

Preparation and Properties of Pt-Mo Sulfide System Supported on Mesoporous Silica-Alumina

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F06%3A00055053" target="_blank" >RIV/67985858:_____/06:00055053 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Preparation and Properties of Pt-Mo Sulfide System Supported on Mesoporous Silica-Alumina

  • Original language description

    The preparation and properties of Mo and Pt-Mo systems (14 wt.% Mo, ? 0.5 wt.% Pt) on a mesoporous silica-alumina (MSA) were studied. The Mo catalysts were characterized by X-Ray diffraction, N2 adsorption-desorption and transmission electron microscopy(TEM). The sulfided catalysts were tested in the simultaneous HDS of thiophene and HDN of pyridine. Deposition of ammonium heptamolybdate on MSA followed by sulfidation at 400oC for 4 h gave a well dispersed MoS2 phase, as confirmed by TEM. The additionof about 0.5 % Pt to the sulfided Mo(S)/MSA led to the significant improvements of HDS and HDN activities. Pt(acac)2 was more efficient Pt precursor than H2PtCl6 and Pt(NH3)4Cl2. The temperature of the sulfidation and the composition of the sulfiding gasduring activation of the Pt promoted catalyst had only smaller influence on activity.

  • Czech name

    Příprava a vlastnosti Pt-Mo sulfidového systému naneseného na mesoporesní silica-alumině

  • Czech description

    Byla studovaná příprava a vlastnosti Mo a Pt-Mo systému (14 hm.% Mo a, 0,5 hm.% Pt) na mesoporozní silica-alumině (MSA). Mo katalyzátory byli charakterizované RTG, fyzisorpcí N2 a transmisní elektronovou mikroskopií (TEM). Sulfidované katalyzátory byli testované simultánní HDS thiofenu a HDN pyridinu. Nanesení heptamolybdenanu amonneho na MSA a následující sulfidace při 400°C a 4 h poskytla dobře dispergovanou MoS2 fázi, což bylo potvrzeno TEM. Přídavek okolo 0,5 % Pt k sulfidovanému Mo(S)/MSA vedl k podstatnímu zlepšení HDS a HDN aktivity. Pt(acac)2 byl více účinný Pt prekurzor než H2PtCl6 a Pt(NH3)4Cl2. Teplota sulfidace a složení sulfidační směsi při aktivaci Pt katalyzátora mělo malý vliv na jeho aktivitu.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA104%2F06%2F0870" target="_blank" >GA104/06/0870: Study of factors influencing the activity and selectivity of supported bimetallic transition metal sulfides in HDS and HDN reactions</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Studies in Surface Science and Catalysis

  • ISSN

    0167-2991

  • e-ISSN

  • Volume of the periodical

    162

  • Issue of the periodical within the volume

    -

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    8

  • Pages from-to

    489-496

  • UT code for WoS article

  • EID of the result in the Scopus database