Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Johan Lif"'
Publikováno v:
Chemical Engineering Science, 270
In this work, the rise characteristics of a single H2 bubble, in the ellipsoidal regime, in (i) water, (ii) single electrolyte (2 M, 4.5 M NaCl) solution and (iii) various concentrations of electrolyte mixture (up to 6.4 M of 1:5 weight fraction NaCl
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Publikováno v:
Applied Catalysis A: General. 317:62-69
The sintering of alumina-supported nickel particles has been studied after heat-treatment in ammonia + hydrogen at 523 K and 250 bar. The investigated samples were nickel supported on gamma-alumina, transalumina and alpha-alumina, and co-precipitated
Publikováno v:
Applied Catalysis A: General. 274:61-69
Two different methods to stabilise alumina-supported nickel particles against sintering have been studied. The first investigated method was co-impregnation using precursors of nickel and different promoters (i.e. oxides of Li, Na, K, Mg, Ca, La and
Publikováno v:
Applied Catalysis A: General. 228:145-154
Sintering of nickel on gamma-alumina in hydrogen, ammonia, ammonia + hydrogen and ammonia + nitrogen was investigated isocoric in the temperature range 483 to 523 K. The sintering process was followed by hydrogen chemisorption, specific surface area