"2"^^ . . "RIV/60461373:22310/11:43892550!RIV12-MSM-22310___" . "Photocatalytic removal of pollutants in gaseous and liquid phase"@en . "58. Konference chemick\u00E9ho a procesn\u00EDho in\u017Een\u00FDrstv\u00ED CHISA 2011" . "RIV/60461373:22310/11:43892550" . "Introduction Due to the large industrial development, intensification of agriculture and an increasing use of natural resources in recent decades is the unintentional release of hazardous chemicals - pollutants into the environment. Efforts to remove these substances, both directly in the formation of these substances and the elimination of old environmental burdens, have recently led to great developments in clean technology research environment. In the case of disposal of hazardous organic compounds are in the spotlight so-called advanced oxidation technology (Advanced Technologies Oxidadion - AOT). These methods use the opportunity to oxidize organic molecules into simple inorganic substances such as water, carbon dioxide, nitrogen and inorganic salts. An important method falling within the AOT is photocatalysis [1]. Unlike most other AOT photocatalysis has a distinct advantage in the absence of any need for the addition of reactant. An essential part of photocatalysis is the presence of a suitable photocatalyst (usually titanium dioxide) and a sufficient amount of radiation of suitable wavelength. The biggest ecological problem is leakage of pollutants into surface or ground water and air. One group of substances from a wide range of water pollutants are chemical dyes, which are often used in the textile industry [2]. An important group of dyes are the azo dyes, which contain in their molecule azo bond. A typical representative of the azo dyes Acid Orange 7 (AO7), which is difficult to remove conventional cleaning technologies [2]. In a gaseous phase of a large group of undesirable substances known as volatile organic compounds (Volatile Organic Compounds - VOCs) [3]. This is the most different solvents and VOC is a typical example of such n hexane. Removal of pollutants from liquid and gaseous phases using photocatalysis is in principle very similar, but they are two different systems that require different technological solutions."@en . "\u00DAvod V d\u016Fsledku velk\u00E9ho rozvoje pr\u016Fmyslu, intenzifikace zem\u011Bd\u011Blstv\u00ED a \u010D\u00EDm d\u00E1l v\u011Bt\u0161\u00EDho vyu\u017E\u00EDv\u00E1n\u00ED p\u0159\u00EDrodn\u00EDch zdroj\u016F v posledn\u00EDch desetilet\u00EDch doch\u00E1z\u00ED k ne\u017E\u00E1douc\u00EDmu \u00FAniku nebezpe\u010Dn\u00FDch chemick\u00FDch l\u00E1tek - polutant\u016F do \u017Eivotn\u00EDho prost\u0159ed\u00ED. Snaha o odstra\u0148ov\u00E1n\u00ED t\u011Bchto l\u00E1tek, jak ji\u017E p\u0159\u00EDmo p\u0159i vzniku t\u011Bchto l\u00E1tek, tak p\u0159i odstra\u0148ov\u00E1n\u00ED star\u00FDch ekologick\u00FDch z\u00E1t\u011B\u017E\u00ED, vedla v posledn\u00ED dob\u011B k velk\u00E9mu rozvoji v oblasti v\u00FDzkumu technologi\u00ED \u010Di\u0161t\u011Bn\u00ED \u017Eivotn\u00EDho prost\u0159ed\u00ED. V p\u0159\u00EDpad\u011B odstra\u0148ov\u00E1n\u00ED nebezpe\u010Dn\u00FDch organick\u00FDch l\u00E1tek jsou v centru pozornosti tzv. pokro\u010Dil\u00E9 oxida\u010Dn\u00ED technologie (Advanced Oxidadion Technologies - AOT). Tyto metody vyu\u017E\u00EDvaj\u00ED mo\u017Enosti oxidovat organick\u00E9 molekuly a\u017E na jednoduch\u00E9 anorganick\u00E9 l\u00E1tky jako je voda, oxid uhli\u010Dit\u00FD, dus\u00EDk a anorganick\u00E9 soli. V\u00FDznamnou metodou spadaj\u00EDc\u00ED do oblasti AOT je fotokatal\u00FDza [1]. Oproti v\u011Bt\u0161in\u011B ostatn\u00EDch AOT m\u00E1 fotokatal\u00FDza nespornou v\u00FDhodu v absenci nezbytnosti p\u0159\u00EDdavku jak\u00E9hokoliv reaktantu. Nezbytnou sou\u010D\u00E1st\u00ED fotokatal\u00FDzy je v\u0161ak p\u0159\u00EDtomnost vhodn\u00E9ho fotokatalyz\u00E1toru (nej\u010Dast\u011Bji oxidu titani\u010Dit\u00E9ho) a dostate\u010Dn\u00E9ho mno\u017Estv\u00ED z\u00E1\u0159en\u00ED o vhodn\u00E9 vlnov\u00E9 d\u00E9lce. Nejv\u011Bt\u0161\u00ED ekologick\u00E9 probl\u00E9my p\u0159edstavuje \u00FAnik polutant\u016F do povrchov\u00FDch \u010Di podzemn\u00EDch vod a do ovzdu\u0161\u00ED. Jednou skupinou l\u00E1tek z \u0161irok\u00E9ho spektra chemik\u00E1li\u00ED zne\u010Dis\u0165uj\u00EDc\u00EDch vody p\u0159edstavuj\u00ED barviva, kter\u00E1 se velmi \u010Dasto pou\u017E\u00EDvaj\u00ED v textiln\u00EDm pr\u016Fmyslu [2]. V\u00FDznamnou skupinou barviv jsou tzv. azobarviva, kter\u00E1 ve sv\u00E9 molekule obsahuj\u00ED azo vazbu. Typick\u00FDm p\u0159edstavitelem azobarviva je Acid Oran\u017E 7 (AO7), kter\u00E1 je t\u011B\u017Eko odstraniteln\u00E1 b\u011B\u017En\u00FDmi \u010Dist\u00EDc\u00EDmi technologiemi [2]. V prost\u0159ed\u00ED plynn\u00E9 f\u00E1ze tvo\u0159\u00ED velkou skupinu ne\u017E\u00E1douc\u00EDch l\u00E1tek tzv. t\u011Bkav\u00E9 organick\u00E9 l\u00E1tky (Volatile Organic Compounds - VOC) [3]. Jedn\u00E1 se nej\u010Dast\u011Bji o r\u016Fzn\u00E1 rozpou\u0161t\u011Bdla a typick\u00FDm p\u0159\u00EDkladem VOC je nap\u0159. n hexan. Odstra\u0148ov\u00E1n\u00ED polutant\u016F z kapaln\u00E9 a plynn\u00E9 f\u00E1ze pomoc\u00ED fotokatal\u00FDzy je v principu velmi podobn\u00E9, jedn\u00E1 se v\u0161ak o dva odli\u0161n\u00E9 syst\u00E9my, je\u017E vy\u017Eaduj\u00ED rozd\u00EDln\u00E9 technologick\u00E9 \u0159e\u0161en\u00ED."@cs . "Fotokatalytick\u00E9 odstra\u0148ov\u00E1n\u00ED polutant\u016F v plynn\u00E9 a kapaln\u00E9 f\u00E1zi"@cs . . "200228" . "4"^^ . . . . "\u00DAvod V d\u016Fsledku velk\u00E9ho rozvoje pr\u016Fmyslu, intenzifikace zem\u011Bd\u011Blstv\u00ED a \u010D\u00EDm d\u00E1l v\u011Bt\u0161\u00EDho vyu\u017E\u00EDv\u00E1n\u00ED p\u0159\u00EDrodn\u00EDch zdroj\u016F v posledn\u00EDch desetilet\u00EDch doch\u00E1z\u00ED k ne\u017E\u00E1douc\u00EDmu \u00FAniku nebezpe\u010Dn\u00FDch chemick\u00FDch l\u00E1tek - polutant\u016F do \u017Eivotn\u00EDho prost\u0159ed\u00ED. Snaha o odstra\u0148ov\u00E1n\u00ED t\u011Bchto l\u00E1tek, jak ji\u017E p\u0159\u00EDmo p\u0159i vzniku t\u011Bchto l\u00E1tek, tak p\u0159i odstra\u0148ov\u00E1n\u00ED star\u00FDch ekologick\u00FDch z\u00E1t\u011B\u017E\u00ED, vedla v posledn\u00ED dob\u011B k velk\u00E9mu rozvoji v oblasti v\u00FDzkumu technologi\u00ED \u010Di\u0161t\u011Bn\u00ED \u017Eivotn\u00EDho prost\u0159ed\u00ED. V p\u0159\u00EDpad\u011B odstra\u0148ov\u00E1n\u00ED nebezpe\u010Dn\u00FDch organick\u00FDch l\u00E1tek jsou v centru pozornosti tzv. pokro\u010Dil\u00E9 oxida\u010Dn\u00ED technologie (Advanced Oxidadion Technologies - AOT). Tyto metody vyu\u017E\u00EDvaj\u00ED mo\u017Enosti oxidovat organick\u00E9 molekuly a\u017E na jednoduch\u00E9 anorganick\u00E9 l\u00E1tky jako je voda, oxid uhli\u010Dit\u00FD, dus\u00EDk a anorganick\u00E9 soli. V\u00FDznamnou metodou spadaj\u00EDc\u00ED do oblasti AOT je fotokatal\u00FDza [1]. Oproti v\u011Bt\u0161in\u011B ostatn\u00EDch AOT m\u00E1 fotokatal\u00FDza nespornou v\u00FDhodu v absenci nezbytnosti p\u0159\u00EDdavku jak\u00E9hokoliv reaktantu. Nezbytnou sou\u010D\u00E1st\u00ED fotokatal\u00FDzy je v\u0161ak p\u0159\u00EDtomnost vhodn\u00E9ho fotokatalyz\u00E1toru (nej\u010Dast\u011Bji oxidu titani\u010Dit\u00E9ho) a dostate\u010Dn\u00E9ho mno\u017Estv\u00ED z\u00E1\u0159en\u00ED o vhodn\u00E9 vlnov\u00E9 d\u00E9lce. Nejv\u011Bt\u0161\u00ED ekologick\u00E9 probl\u00E9my p\u0159edstavuje \u00FAnik polutant\u016F do povrchov\u00FDch \u010Di podzemn\u00EDch vod a do ovzdu\u0161\u00ED. Jednou skupinou l\u00E1tek z \u0161irok\u00E9ho spektra chemik\u00E1li\u00ED zne\u010Dis\u0165uj\u00EDc\u00EDch vody p\u0159edstavuj\u00ED barviva, kter\u00E1 se velmi \u010Dasto pou\u017E\u00EDvaj\u00ED v textiln\u00EDm pr\u016Fmyslu [2]. V\u00FDznamnou skupinou barviv jsou tzv. azobarviva, kter\u00E1 ve sv\u00E9 molekule obsahuj\u00ED azo vazbu. Typick\u00FDm p\u0159edstavitelem azobarviva je Acid Oran\u017E 7 (AO7), kter\u00E1 je t\u011B\u017Eko odstraniteln\u00E1 b\u011B\u017En\u00FDmi \u010Dist\u00EDc\u00EDmi technologiemi [2]. V prost\u0159ed\u00ED plynn\u00E9 f\u00E1ze tvo\u0159\u00ED velkou skupinu ne\u017E\u00E1douc\u00EDch l\u00E1tek tzv. t\u011Bkav\u00E9 organick\u00E9 l\u00E1tky (Volatile Organic Compounds - VOC) [3]. Jedn\u00E1 se nej\u010Dast\u011Bji o r\u016Fzn\u00E1 rozpou\u0161t\u011Bdla a typick\u00FDm p\u0159\u00EDkladem VOC je nap\u0159. n hexan. Odstra\u0148ov\u00E1n\u00ED polutant\u016F z kapaln\u00E9 a plynn\u00E9 f\u00E1ze pomoc\u00ED fotokatal\u00FDzy je v principu velmi podobn\u00E9, jedn\u00E1 se v\u0161ak o dva odli\u0161n\u00E9 syst\u00E9my, je\u017E vy\u017Eaduj\u00ED rozd\u00EDln\u00E9 technologick\u00E9 \u0159e\u0161en\u00ED." . . . . . . "Flori\u0161, Tom\u00E1\u0161" . . "Photocatalytic removal of pollutants in gaseous and liquid phase"@en . . . . "Garc\u00EDa, L. A." . "Praha" . "[84B0532289CA]" . . "Zl\u00E1mal, Martin" . "Fotokatalytick\u00E9 odstra\u0148ov\u00E1n\u00ED polutant\u016F v plynn\u00E9 a kapaln\u00E9 f\u00E1zi"@cs . "Srn\u00ED" . "Fotokatalytick\u00E9 odstra\u0148ov\u00E1n\u00ED polutant\u016F v plynn\u00E9 a kapaln\u00E9 f\u00E1zi" . "P(1M0577)" . "2011-10-24+02:00"^^ . "Kr\u00FDsa, Josef" . . . "water treatment; air cleaning; hexane; AO7; photocatalysis"@en . "Fotokatalytick\u00E9 odstra\u0148ov\u00E1n\u00ED polutant\u016F v plynn\u00E9 a kapaln\u00E9 f\u00E1zi" . "5"^^ . "\u010Cesk\u00E1 spole\u010Dnost chemick\u00E9ho in\u017Een\u00FDrstv\u00ED" . . "978-80-905035-0-2" . . "22310" . .