نتایج جستجو برای: reaction mechanisms

تعداد نتایج: 922785  

Journal: :Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 1988

Journal: :Journal of The Surface Finishing Society of Japan 2004

The kinetic of Fischer-Tropsch synthesis over a co-precipitated Fe-Ce catalyst was investigated in a fixed bed micro reactor. Experimental conditions were varied as follow: reaction pressure 1-15bar, H¬¬¬2/CO feed ratio of 1-3 and space velocity of 3600-5400 h-1 at the temperature range of 270-310°C. 4 models according to the Langmuir-Hinshelwood-Hougen-Watson (LHHW) type rate equation were der...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1996
fereydoon milani nejad siranoush sharzad a. bagher zadeh

oxidation of ethylene to ethylene oxide over silver catalyst and selenium modified catalyst has been studied by continuous flow and pulse techniques over the temperature range of 230-280 °c. the results are discussed in terms of reaction mechanisms proposed by others, rejecting mechanisms which involve peroxide formation. it has been shown that not only selectivity towards ethylene oxide produc...

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