. . . . "22310" . . "Studium kinetiky reakce v\u00E1pence s kyselinou s\u00EDrovou" . "Z(MSM6046137301)" . "\u010Cesk\u00E1 spole\u010Dnost chemick\u00E9ho in\u017Een\u00FDrsv\u00ED" . "RIV/60461373:22310/07:00018530!RIV08-MSM-22310___" . "Neutralization of waste sulphuric acid by limestone is used in many chemical productions. It is really significant ecological operation and additional the useful product forms during it. Course of chemical reaction is quite complex it consists of some substeps. Dissolution of calcite particles in sulphuric acid presents the first one. This step affects the others and therefore its study is very important. The kinetics of limestone dissolution in diluted solutions of sulphuric acid has been studied by the help of original method. We have designed and experimentally verified a measuring method suitable for monitoring of rapid heterogeneous reactions. The experiments took place in the semi-batch isothermic agitated reactor with monofractions of limestone particles from \u010Certovy schody location at constant concentration of sulphuric acid with constant level of the specific solution conductance. The influence of the stirring speed, particles size, sulphuric acid concentration and temperature on the course o"@en . "Sborn\u00EDk 54. konference chemick\u00E9ho a procesn\u00EDho in\u017Een\u00FDrstv\u00ED CHISA 2007" . . . "Studium kinetiky reakce v\u00E1pence s kyselinou s\u00EDrovou" . "Studium kinetiky reakce v\u00E1pence s kyselinou s\u00EDrovou"@cs . "80-86059-47-2" . . . "Neutralizace odpadn\u00ED kyseliny s\u00EDrov\u00E9 v\u00E1pencem je vyu\u017E\u00EDv\u00E1na v mnoha chemick\u00FDch v\u00FDrob\u00E1ch. Pat\u0159\u00ED k velmi d\u016Fle\u017Eit\u00FDm ekologick\u00FDm operac\u00EDm, p\u0159i kter\u00FDch m\u016F\u017Ee nav\u00EDc vznikat d\u00E1le vyu\u017Eiteln\u00FD produkt. Pr\u016Fb\u011Bh vlastn\u00ED chemick\u00E9 reakce je pom\u011Brn\u011B slo\u017Eit\u00FD, skl\u00E1d\u00E1 se z n\u011Bkolika d\u00EDl\u010D\u00EDch krok\u016F, p\u0159i\u010Dem\u017E prvn\u00ED z nich p\u0159edstavuje rozpou\u0161t\u011Bn\u00ED \u010D\u00E1stic v\u00E1pence v kyselin\u011B s\u00EDrov\u00E9. Rychlost tohoto procesu ovliv\u0148uje pr\u016Fb\u011Bh a rychlost v\u0161ech n\u00E1sleduj\u00EDc\u00EDch d\u011Bj\u016F, proto je studium v t\u00E9to oblasti \u017E\u00E1douc\u00ED a tvo\u0159\u00ED n\u00E1pl\u0148 p\u0159edkl\u00E1dan\u00E9ho p\u0159\u00EDsp\u011Bvku. Byla navr\u017Eena a odzkou\u0161ena nov\u00E1 metoda umo\u017E\u0148uj\u00EDc\u00ED studovat pr\u016Fb\u011Bh rychl\u00FDch chemick\u00FDch reakc\u00ED, s jej\u00ED\u017E pomoc\u00ED byla prom\u011B\u0159ena kinetika rozpou\u0161t\u011Bn\u00ED v\u00E1pence ve z\u0159ed\u011Bn\u00FDch roztoc\u00EDch kyseliny s\u00EDrov\u00E9. V\u0161echny experimenty prob\u00EDhaly v polovs\u00E1dkov\u00E9m izotermn\u00EDm m\u00EDchan\u00E9m reaktoru za konstantn\u00ED vodivosti roztoku s monofrakcemi \u010D\u00E1stic v\u00E1pence z lokality \u010Certovy schody. Byl sledov\u00E1n vliv intenzity m\u00EDch\u00E1n\u00ED, velikosti \u010D\u00E1stic, koncentrace pou\u017Eit\u00E9 kyseliny s\u00EDrov\u00E9 a teploty na pr\u016Fb\u011Bh reakce. Z nam\u011B\u0159en\u00FDch k\u0159ivek stupn\u011B"@cs . "Sedl\u00E1\u0159ov\u00E1, Ivona" . "V\u00EDdensk\u00FD, Jan" . . . "reaction kinetics; limestone; sulphuric acid; dissolution"@en . . "2"^^ . "Neutralizace odpadn\u00ED kyseliny s\u00EDrov\u00E9 v\u00E1pencem je vyu\u017E\u00EDv\u00E1na v mnoha chemick\u00FDch v\u00FDrob\u00E1ch. Pat\u0159\u00ED k velmi d\u016Fle\u017Eit\u00FDm ekologick\u00FDm operac\u00EDm, p\u0159i kter\u00FDch m\u016F\u017Ee nav\u00EDc vznikat d\u00E1le vyu\u017Eiteln\u00FD produkt. Pr\u016Fb\u011Bh vlastn\u00ED chemick\u00E9 reakce je pom\u011Brn\u011B slo\u017Eit\u00FD, skl\u00E1d\u00E1 se z n\u011Bkolika d\u00EDl\u010D\u00EDch krok\u016F, p\u0159i\u010Dem\u017E prvn\u00ED z nich p\u0159edstavuje rozpou\u0161t\u011Bn\u00ED \u010D\u00E1stic v\u00E1pence v kyselin\u011B s\u00EDrov\u00E9. Rychlost tohoto procesu ovliv\u0148uje pr\u016Fb\u011Bh a rychlost v\u0161ech n\u00E1sleduj\u00EDc\u00EDch d\u011Bj\u016F, proto je studium v t\u00E9to oblasti \u017E\u00E1douc\u00ED a tvo\u0159\u00ED n\u00E1pl\u0148 p\u0159edkl\u00E1dan\u00E9ho p\u0159\u00EDsp\u011Bvku. Byla navr\u017Eena a odzkou\u0161ena nov\u00E1 metoda umo\u017E\u0148uj\u00EDc\u00ED studovat pr\u016Fb\u011Bh rychl\u00FDch chemick\u00FDch reakc\u00ED, s jej\u00ED\u017E pomoc\u00ED byla prom\u011B\u0159ena kinetika rozpou\u0161t\u011Bn\u00ED v\u00E1pence ve z\u0159ed\u011Bn\u00FDch roztoc\u00EDch kyseliny s\u00EDrov\u00E9. V\u0161echny experimenty prob\u00EDhaly v polovs\u00E1dkov\u00E9m izotermn\u00EDm m\u00EDchan\u00E9m reaktoru za konstantn\u00ED vodivosti roztoku s monofrakcemi \u010D\u00E1stic v\u00E1pence z lokality \u010Certovy schody. Byl sledov\u00E1n vliv intenzity m\u00EDch\u00E1n\u00ED, velikosti \u010D\u00E1stic, koncentrace pou\u017Eit\u00E9 kyseliny s\u00EDrov\u00E9 a teploty na pr\u016Fb\u011Bh reakce. Z nam\u011B\u0159en\u00FDch k\u0159ivek stupn\u011B" . "[C49F0BB7A154]" . "2"^^ . "Kinetic study of reaction between limestone and sulphuric acid"@en . . . "1-6" . "Studium kinetiky reakce v\u00E1pence s kyselinou s\u00EDrovou"@cs . "Kinetic study of reaction between limestone and sulphuric acid"@en . "453144" . . "6"^^ . . "RIV/60461373:22310/07:00018530" . . "Praha" .