"I" . "4"^^ . . "7"^^ . "Bioethanol vyr\u00E1b\u011Bn\u00FD zpracov\u00E1n\u00EDm biomasy p\u0159edstavuje jednu z hledan\u00FDch alternativ n\u00E1hrady automobilov\u00E9ho benz\u00EDnu v doprav\u011B. V d\u016Fsledku pou\u017E\u00EDv\u00E1n\u00ED sm\u011Bsn\u00FDch biopaliv na b\u00E1zi bioethanolu jsou kladeny velk\u00E9 n\u00E1roky na materi\u00E1lovou kompatibilitu, kter\u00E1 m\u016F\u017Ee b\u00FDt limituj\u00EDc\u00EDm faktorem pro jejich u\u017E\u00EDv\u00E1n\u00ED. Lihobenz\u00EDnov\u00E9 sm\u011Bsi d\u00EDky obsahu ethanolu dok\u00E1\u017E\u00ED absorbovat velk\u00E9 mno\u017Estv\u00ED vody, v kter\u00E9 se mohou rozpou\u0161t\u011Bt ionty a l\u00E1tky kysel\u00E9 povahy, kter\u00E9 mohou p\u016Fsobit koroz\u00EDvn\u011B na kovov\u00E9 konstruk\u010Dn\u00ED materi\u00E1ly. \u010C\u00EDm je v\u011Bt\u0161\u00ED obsah ethanolu ve sm\u011Bsi, t\u00EDm roste vodivost paliva i schopnost paliva pojmout v\u00EDce vody a palivo se st\u00E1v\u00E1 agresivn\u011Bj\u0161\u00EDm a korozn\u011B aktivn\u011Bj\u0161\u00EDm. Tato pr\u00E1ce se zab\u00FDv\u00E1 mo\u017Enostmi vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i studiu korozn\u00EDch \u00FA\u010Dink\u016F lihobenz\u00EDnov\u00FDch sm\u011Bs\u00ED a odolnost\u00ED kovov\u00FDch materi\u00E1l\u016F v prost\u0159ed\u00ED t\u011Bchto paliv. Testov\u00E1ny byly laboratorn\u011B p\u0159ipraven\u00E9 lihobenz\u00EDnov\u00E9 sm\u011Bsi s obsahem ethanolu 10 - 85 % obj., kter\u00E9 byly um\u011Ble kontaminov\u00E1ny vodou a stopov\u00FDm mno\u017Estv\u00EDm iont\u016F a kysel\u00FDch l\u00E1tek. Kontaminace paliva byla prov\u00E1d\u011Bna jako zdroj zne\u010Di\u0161t\u011Bn\u00ED, kter\u00E9 m\u016F\u017Ee poch\u00E1zet ze suroviny nebo p\u0159i nedodr\u017Een\u00ED spr\u00E1vn\u00FDch v\u00FDrobn\u00EDch, skladovac\u00EDch a p\u0159epravn\u00EDch podm\u00EDnek. Korozn\u00ED vlastnosti t\u011Bchto paliv byly testov\u00E1ny na oceli t\u0159\u00EDdy 11, korozn\u011B odoln\u00E9 oceli t\u0159\u00EDdy 17, hlin\u00EDku, m\u011Bdi a mosazi."@cs . . . . "\u010Cesk\u00E1 spole\u010Dnost pr\u016Fmyslov\u00E9 chemie" . "material compatibility; biofuels; bioethanol; ethanol-gasoline mixture; corrosion; electrochemistry"@en . . . . "Baro\u0161, Petr" . "Praha" . . "RIV/60461373:22320/14:43898236" . . . "978-80-86238-61-6" . . "Posp\u00ED\u0161il, Milan" . . "Determination of corrosion effects of ethnanol-gasoline mixtures by using electrochemical methods"@en . . "Mo\u017Enosti vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i stanoven\u00ED koroze v lihobenz\u00EDnov\u00FDch sm\u011Bs\u00EDch"@cs . "[BB1B2E5DAB47]" . "Mo\u017Enosti vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i stanoven\u00ED koroze v lihobenz\u00EDnov\u00FDch sm\u011Bs\u00EDch" . "Mat\u011Bjovsk\u00FD, Luk\u00E1\u0161" . "RIV/60461373:22320/14:43898236!RIV15-MSM-22320___" . . "Mo\u017Enosti vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i stanoven\u00ED koroze v lihobenz\u00EDnov\u00FDch sm\u011Bs\u00EDch"@cs . "22320" . . "Mac\u00E1k, Jan" . "Mikulov" . . "30825" . "2nd International Conference on Chemical Technology - ICCT 2014" . . . . . "Bioethanol produced by biomass processing is able to be a suitable substitute for gasoline that is used in vehicular traffic. Great demands are placed on material compatibility of materials as a result of the use of ethanol-based biofuels because material compatibility can be a limiting factor for the use of biofuels. The mixtures of ethanol and gasoline are able to absorb large quantity of water in that ions and acid species can be contained and that impurities are able to corrosive affect construction metalic materials. The fuel conductivity as well as the ability to absorb water increase with increasing ethanol content and fuel also becomes more agressive and more corrosive-active. This work deals with the possibilities of using electrochemical methods for studying the corrosion effects of ethanol-gasoline mixtures on metallic materials. The ethanol-gasoline mixtures containing 10 up to 85 % vol. ethanol were laboratory prepared and tested. Prepared fuels were contaminated with water, trace amount of acid species and ions. The purposed contaminaton of fuels was carried out in order to simulate the source of pollution that should originate from raw materials or from the unsuitable conditions of processing, storage and transportation. Corrosion effects of ethanol-gasoline were tested on following metalic materials: carbon steel grade 10, stainless steel grade 16, aluminium, copper and brass."@en . "Mo\u017Enosti vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i stanoven\u00ED koroze v lihobenz\u00EDnov\u00FDch sm\u011Bs\u00EDch" . "Bioethanol vyr\u00E1b\u011Bn\u00FD zpracov\u00E1n\u00EDm biomasy p\u0159edstavuje jednu z hledan\u00FDch alternativ n\u00E1hrady automobilov\u00E9ho benz\u00EDnu v doprav\u011B. V d\u016Fsledku pou\u017E\u00EDv\u00E1n\u00ED sm\u011Bsn\u00FDch biopaliv na b\u00E1zi bioethanolu jsou kladeny velk\u00E9 n\u00E1roky na materi\u00E1lovou kompatibilitu, kter\u00E1 m\u016F\u017Ee b\u00FDt limituj\u00EDc\u00EDm faktorem pro jejich u\u017E\u00EDv\u00E1n\u00ED. Lihobenz\u00EDnov\u00E9 sm\u011Bsi d\u00EDky obsahu ethanolu dok\u00E1\u017E\u00ED absorbovat velk\u00E9 mno\u017Estv\u00ED vody, v kter\u00E9 se mohou rozpou\u0161t\u011Bt ionty a l\u00E1tky kysel\u00E9 povahy, kter\u00E9 mohou p\u016Fsobit koroz\u00EDvn\u011B na kovov\u00E9 konstruk\u010Dn\u00ED materi\u00E1ly. \u010C\u00EDm je v\u011Bt\u0161\u00ED obsah ethanolu ve sm\u011Bsi, t\u00EDm roste vodivost paliva i schopnost paliva pojmout v\u00EDce vody a palivo se st\u00E1v\u00E1 agresivn\u011Bj\u0161\u00EDm a korozn\u011B aktivn\u011Bj\u0161\u00EDm. Tato pr\u00E1ce se zab\u00FDv\u00E1 mo\u017Enostmi vyu\u017Eit\u00ED elektrochemick\u00FDch metod p\u0159i studiu korozn\u00EDch \u00FA\u010Dink\u016F lihobenz\u00EDnov\u00FDch sm\u011Bs\u00ED a odolnost\u00ED kovov\u00FDch materi\u00E1l\u016F v prost\u0159ed\u00ED t\u011Bchto paliv. Testov\u00E1ny byly laboratorn\u011B p\u0159ipraven\u00E9 lihobenz\u00EDnov\u00E9 sm\u011Bsi s obsahem ethanolu 10 - 85 % obj., kter\u00E9 byly um\u011Ble kontaminov\u00E1ny vodou a stopov\u00FDm mno\u017Estv\u00EDm iont\u016F a kysel\u00FDch l\u00E1tek. Kontaminace paliva byla prov\u00E1d\u011Bna jako zdroj zne\u010Di\u0161t\u011Bn\u00ED, kter\u00E9 m\u016F\u017Ee poch\u00E1zet ze suroviny nebo p\u0159i nedodr\u017Een\u00ED spr\u00E1vn\u00FDch v\u00FDrobn\u00EDch, skladovac\u00EDch a p\u0159epravn\u00EDch podm\u00EDnek. Korozn\u00ED vlastnosti t\u011Bchto paliv byly testov\u00E1ny na oceli t\u0159\u00EDdy 11, korozn\u011B odoln\u00E9 oceli t\u0159\u00EDdy 17, hlin\u00EDku, m\u011Bdi a mosazi." . . "Determination of corrosion effects of ethnanol-gasoline mixtures by using electrochemical methods"@en . "2014-04-07+02:00"^^ . "4"^^ .