"V\u00EDdensk\u00FD, Jan" . "Z(MSM6046137301)" . . "5"^^ . "RIV/60461373:22310/05:00013841" . "The effect of reaction products to the course of Kola super apatite dissolution in nitric acid"@en . "22310" . "2005-05-26+02:00"^^ . . . "Vliv reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super v kyselin\u011B dusi\u010Dn\u00E9" . . "Sborn\u00EDk symposia Nov\u00E9 trendy v anorganick\u00E9 technologii" . . "Pr\u00E1ce se zab\u00FDv\u00E1 studiem vlivu reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super kyselinou dusi\u010Dnou. V\u0161echny experimenty byly prov\u00E1d\u011Bny ve vs\u00E1dkov\u00E9m izotermn\u00EDm m\u00EDchan\u00E9m reaktoru pro po\u010D\u00E1te\u010Dn\u00ED f\u00E1zi rozkladu s \u00FAzkou frakc\u00ED \u010D\u00E1stic apatitu. K rozkladu byl pou\u017Eit roztok kyseliny dusi\u010Dn\u00E9 s p\u0159\u00EDdavkem kyseliny trihydrogenfosfore\u010Dn\u00E9 nebo dusi\u010Dnanu v\u00E1penat\u00E9ho v takov\u00E9m p\u0159ebytku, \u017Ee se jeho koncentrace b\u011Bhem rozkladu prakticky nem\u011Bnila. Pr\u016Fb\u011Bh reakce byl sledov\u00E1n v\u00E1\u017Een\u00EDm nezreagovan\u00E9ho zbytku pevn\u00E9 f\u00E1ze po p\u0159eru\u0161en\u00ED reakce. Experiment\u00E1ln\u00ED data byla zpracov\u00E1na pomoc\u00ED vztah\u016F odvozen\u00FDch na z\u00E1klad\u011B modelu nezreagovan\u00E9ho j\u00E1dra pro zmen\u0161uj\u00EDc\u00ED se \u010D\u00E1stici a kinetick\u00E9 rovnice mocninn\u00E9ho typu. Ze z\u00EDskan\u00FDch v\u00FDsledk\u016F byly vyhodnoceny kinetick\u00E9 parametry, \u0159\u00E1d reakce a aktiva\u010Dn\u00ED energie."@cs . "[29F6DB9AD296]" . . . "2"^^ . "Pr\u00E1ce se zab\u00FDv\u00E1 studiem vlivu reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super kyselinou dusi\u010Dnou. V\u0161echny experimenty byly prov\u00E1d\u011Bny ve vs\u00E1dkov\u00E9m izotermn\u00EDm m\u00EDchan\u00E9m reaktoru pro po\u010D\u00E1te\u010Dn\u00ED f\u00E1zi rozkladu s \u00FAzkou frakc\u00ED \u010D\u00E1stic apatitu. K rozkladu byl pou\u017Eit roztok kyseliny dusi\u010Dn\u00E9 s p\u0159\u00EDdavkem kyseliny trihydrogenfosfore\u010Dn\u00E9 nebo dusi\u010Dnanu v\u00E1penat\u00E9ho v takov\u00E9m p\u0159ebytku, \u017Ee se jeho koncentrace b\u011Bhem rozkladu prakticky nem\u011Bnila. Pr\u016Fb\u011Bh reakce byl sledov\u00E1n v\u00E1\u017Een\u00EDm nezreagovan\u00E9ho zbytku pevn\u00E9 f\u00E1ze po p\u0159eru\u0161en\u00ED reakce. Experiment\u00E1ln\u00ED data byla zpracov\u00E1na pomoc\u00ED vztah\u016F odvozen\u00FDch na z\u00E1klad\u011B modelu nezreagovan\u00E9ho j\u00E1dra pro zmen\u0161uj\u00EDc\u00ED se \u010D\u00E1stici a kinetick\u00E9 rovnice mocninn\u00E9ho typu. Ze z\u00EDskan\u00FDch v\u00FDsledk\u016F byly vyhodnoceny kinetick\u00E9 parametry, \u0159\u00E1d reakce a aktiva\u010Dn\u00ED energie." . "Vysok\u00E1 \u0161kola chemicko-technologick\u00E1 v Praze" . "Vliv reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super v kyselin\u011B dusi\u010Dn\u00E9" . "2"^^ . "apatite; nitric acid; reaction kinetics; dissolution; effect of reaction products"@en . . . "The effect of reaction products to the course of Kola super apatite dissolution in nitric acid"@en . "Pl\u00E1t, Petr" . "This work concerns with reaction products effect to the course of Kola super apatite dissolution in nitric acid. All experiments were carried out in isothermal mixed batch reactor for the initial phase of the decomposition with close fraction of apatite particles. The solution of nitric acid with addition of phosphoric acid or calcium nitrate was used in such excess that its concentration practically did not change during the decomposition. The course of the reaction was observed by weighing of nonreacted rest of the solid phase after discontinuing of the reaction. The obtained data were interpreted by shrinking core model with power type of the kinetic equation. From obtained results the kinetic parameters, reaction order and activation energy were evaluated."@en . . . . "Vliv reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super v kyselin\u011B dusi\u010Dn\u00E9"@cs . "80-7080-565-X" . "Vliv reak\u010Dn\u00EDch produkt\u016F na pr\u016Fb\u011Bh rozpou\u0161t\u011Bn\u00ED apatitu Kola super v kyselin\u011B dusi\u010Dn\u00E9"@cs . "549361" . "RIV/60461373:22310/05:00013841!RIV06-MSM-22310___" . "Praha" . "Praha" . . "219-223" . . . . . . .