"RIV/62156489:43410/02:00007999!RIV06-MSM-43410___" . "4"^^ . "Nov\u00E9 poznatky p\u0159i zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F" . "New knowledges in improving of termooxidantial stability of the biodergradable oils"@en . . "Kola\u0159\u00EDk, Josef" . "[73D8DED759B2]" . . "\u017Dilina" . "Rousek, Miroslav" . . "P\u0159\u00EDsp\u011Bvek je reakc\u00ED na problematiku zne\u010Di\u0161\u0165ov\u00E1n\u00ED \u017Eivotn\u00EDho prost\u0159ed\u00ED \u00FAniky ropn\u00FDch v\u00FDrobk\u016F z mechanism\u016F lesnick\u00FDch i zem\u011Bd\u011Blsk\u00FDch stroj\u016F. \u0158e\u0161en\u00ED probl\u00E9mu je mo\u017En\u00E9 n\u00E1hradou miner\u00E1ln\u00EDch olej\u016F biologicky odbourateln\u00FDmi oleji. Informace t\u00FDkaj\u00EDc\u00ED se m\u011B\u0159en\u00ED parametr\u016F t\u011Bchto olej\u016F byly autorem publikov\u00E1ny. Prok\u00E1zalo se, \u017Ee parametry jsou vcelku vyhovuj\u00EDc\u00ED krom\u011B termooxida\u010Dn\u00ED stability. P\u0159\u00EDsp\u011Bvek je proto zam\u011B\u0159en na zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F typu HETG. Dosud pou\u017E\u00EDvan\u00E9 rafin\u00E1ty olej\u016F na \u0159epkov\u00E9m z\u00E1kladu, metylestery, jsou dod\u00E1v\u00E1ny v r\u016Fzn\u00E9 kvalit\u011B, v\u011Bt\u0161inou s \u017Eivotnost\u00ED 600 a\u017E 2000 provozn\u00EDch hodin p\u0159i teplot\u011B do 70oC. Metodika zkou\u0161en\u00ED spo\u010D\u00EDv\u00E1 ve sledov\u00E1n\u00ED zm\u011Bn \u010D\u00EDsla kyselosti, viskozity, obsahu vody a peroxidov\u00E9ho \u010D\u00EDsla b\u011Bhem \u017Eivotnostn\u00ED zkou\u0161ky. Prok\u00E1zalo se, \u017Ee peroxidov\u00E9 \u010D\u00EDslo nejl\u00E9pe charakterizuje termooxida\u010Dn\u00ED stabilitu, kter\u00E1 u rafin\u00E1t\u016F je t\u00E9m\u011B\u0159 nevyhovuj\u00EDc\u00ED. Byla navr\u017Eena metoda pro zlep\u0161en\u00ED termooxida\u010Dn\u00ED stability, vyu\u017E\u00EDvaj\u00EDc\u00ED vysok\u00E9ho p\u0159eh\u0159\u00E1t\u00ED oleje v po\u010D\u00E1tk"@cs . "biodegradable oils; recyklated oils"@en . "1335-5171" . . . . "Z(MSM 434100004)" . "43410" . . "P\u0159\u00EDsp\u011Bvek je reakc\u00ED na problematiku zne\u010Di\u0161\u0165ov\u00E1n\u00ED \u017Eivotn\u00EDho prost\u0159ed\u00ED \u00FAniky ropn\u00FDch v\u00FDrobk\u016F z mechanism\u016F lesnick\u00FDch i zem\u011Bd\u011Blsk\u00FDch stroj\u016F. \u0158e\u0161en\u00ED probl\u00E9mu je mo\u017En\u00E9 n\u00E1hradou miner\u00E1ln\u00EDch olej\u016F biologicky odbourateln\u00FDmi oleji. Informace t\u00FDkaj\u00EDc\u00ED se m\u011B\u0159en\u00ED parametr\u016F t\u011Bchto olej\u016F byly autorem publikov\u00E1ny. Prok\u00E1zalo se, \u017Ee parametry jsou vcelku vyhovuj\u00EDc\u00ED krom\u011B termooxida\u010Dn\u00ED stability. P\u0159\u00EDsp\u011Bvek je proto zam\u011B\u0159en na zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F typu HETG. Dosud pou\u017E\u00EDvan\u00E9 rafin\u00E1ty olej\u016F na \u0159epkov\u00E9m z\u00E1kladu, metylestery, jsou dod\u00E1v\u00E1ny v r\u016Fzn\u00E9 kvalit\u011B, v\u011Bt\u0161inou s \u017Eivotnost\u00ED 600 a\u017E 2000 provozn\u00EDch hodin p\u0159i teplot\u011B do 70oC. Metodika zkou\u0161en\u00ED spo\u010D\u00EDv\u00E1 ve sledov\u00E1n\u00ED zm\u011Bn \u010D\u00EDsla kyselosti, viskozity, obsahu vody a peroxidov\u00E9ho \u010D\u00EDsla b\u011Bhem \u017Eivotnostn\u00ED zkou\u0161ky. Prok\u00E1zalo se, \u017Ee peroxidov\u00E9 \u010D\u00EDslo nejl\u00E9pe charakterizuje termooxida\u010Dn\u00ED stabilitu, kter\u00E1 u rafin\u00E1t\u016F je t\u00E9m\u011B\u0159 nevyhovuj\u00EDc\u00ED. Byla navr\u017Eena metoda pro zlep\u0161en\u00ED termooxida\u010Dn\u00ED stability, vyu\u017E\u00EDvaj\u00EDc\u00ED vysok\u00E9ho p\u0159eh\u0159\u00E1t\u00ED oleje v po\u010D\u00E1tk" . "Hydropneutech s.r.o." . "655969" . "Hydraulika a pneumatika, \u010Casopis pre hydrauliku, pneumatiku a automatiza\u010Dn\u00FA techniku" . "Nov\u00E9 poznatky p\u0159i zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F"@cs . "The paper is a response to the problem of the environment pollution by oil product spills from mechanisms of forest and agricultural machines. The problem can be dealt with through the replacement of mineral oils by biodegradable oils. Information concerning the measurement of parameters of these oils were published by the author. It has been demonstrated that the parameters are broadly suitable with the exception of thermooxidation stability. The paper is, therefore, aimed at improving the thermooxidation stability of biodegradable oils of HETG type. Oil raffinates based on rape oil, methyl esters are delivered in various quality, mostly with a service life of 600 to 2000 service hours at a temperature of max. 70oC. Methods of testing are based on monitoring the change in acid value, viscosity, water content and peroxide number during the service life test. It has been proved that peroxide number characterizes very well thermooxidation stability which is nearly unsatisfactory in raffinates. A method"@en . . . "2"^^ . . "Nov\u00E9 poznatky p\u0159i zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F" . . . "RIV/62156489:43410/02:00007999" . "2"^^ . . "Nov\u00E9 poznatky p\u0159i zlep\u0161ov\u00E1n\u00ED termooxida\u010Dn\u00ED stability biologicky odbourateln\u00FDch olej\u016F"@cs . . "24;27" . "New knowledges in improving of termooxidantial stability of the biodergradable oils"@en . .