"80-86059-45-6" . "3"^^ . . "Praha" . "RIV/67985858:_____/06:00055250!RIV07-AV0-67985858" . . "Thermodynamic Possibilities of Pure Hydrogen Production by Chromium, Nickel and Manganese-Based Chemical Looping at Lower Temperatures"@en . "2006-08-27+02:00"^^ . "chromium; hydrogen; nickel"@en . . . "Siewiorek, A." . "Rogut, J." . "Process Engineering Publisher" . "Termodynamick\u00E9 mo\u017Enosti a omezen\u00ED pro v\u00FDrobu \u010Dist\u00E9ho vod\u00EDku pomoc\u00ED chromu, manganu a niklu s vyu\u017Eit\u00EDm cyklick\u00E9ho chemick\u00E9ho procesu za ni\u017E\u0161\u00EDch teplot"@cs . "34"^^ . "Thermodynamic Possibilities of Pure Hydrogen Production by Chromium, Nickel and Manganese-Based Chemical Looping at Lower Temperatures" . "1340;1341" . "RIV/67985858:_____/06:00055250" . . . . . . "503790" . "V rozmez\u00ED teplot 400 \u2013 1000 K byly studov\u00E1ny termodynamika a chemick\u00E9 rovnov\u00E1hy pro redukci Cr2O3 , Mn3O4 a NiO vod\u00EDkem , CO, syntetick\u00FDm plynem, metanem a pro oxidaci relevantn\u00EDch produkt\u016F Cr, MnO a Ni vodn\u00ED parou. Pozornost byla soust\u0159ed\u011Bna tak\u00E9 na mo\u017Enou tvorbu ne\u017E\u00E1douc\u00EDch saz\u00ED, karbid\u016F a uhli\u010Ditan\u016F b\u011Bhem reduk\u010Dn\u00EDho kroku, kter\u00E9 vedouc n\u00E1sledn\u011B k uvol\u0148ov\u00E1n\u00ED CO a CO2 v oxida\u010Dn\u00EDm kroku. Redukce Cr2O3 a MnO na kovov\u00FD chrom a mangan pomoc\u00ED vod\u00EDku, CO nebo metanu je vylou\u010Dena za teplot 400 \u2013 1000 K. Redukce Mn3O4 a NiO vod\u00EDkem, CO a CH4 za t\u011Bchto ni\u017E\u0161\u00EDch teplot je termodynamicky preferov\u00E1na."@cs . "p" . "Thermodynamics and chemical equilibrium for reduction of Cr2O3 , Mn3O4 and NiO by hydrogen, carbon monoxide, model syngas and methane and for oxidation of the relevant Cr, MnO and Ni by steam has been studied in a temperature range 400 \u2013 1000 K. Attention was concentrated also on possible formation of undesired soot, carbides and carbonates during reduction step leading to CO and CO2 formation in the steam oxidation step. Reduction of Cr2O3 and MnO to metallic Cr and Mn by hydrogen, CO or CH4 at temperatures 400 \u2013 1000 K is thermodynamically excluded. Reduction of Mn3O4 and NiO by hydrogen, CO and CH4 at such lower temperatures is thermodynamically favourable." . . . "Thermodynamic Possibilities of Pure Hydrogen Production by Chromium, Nickel and Manganese-Based Chemical Looping at Lower Temperatures" . "Thermodynamic Possibilities of Pure Hydrogen Production by Chromium, Nickel and Manganese-Based Chemical Looping at Lower Temperatures"@en . . "Summaries 4." . "Thermodynamics and chemical equilibrium for reduction of Cr2O3 , Mn3O4 and NiO by hydrogen, carbon monoxide, model syngas and methane and for oxidation of the relevant Cr, MnO and Ni by steam has been studied in a temperature range 400 \u2013 1000 K. Attention was concentrated also on possible formation of undesired soot, carbides and carbonates during reduction step leading to CO and CO2 formation in the steam oxidation step. Reduction of Cr2O3 and MnO to metallic Cr and Mn by hydrogen, CO or CH4 at temperatures 400 \u2013 1000 K is thermodynamically excluded. Reduction of Mn3O4 and NiO by hydrogen, CO and CH4 at such lower temperatures is thermodynamically favourable."@en . "Svoboda, Karel" . . "[9006EDAF34AE]" . "Z(AV0Z40720504)" . . . . "1"^^ . "Termodynamick\u00E9 mo\u017Enosti a omezen\u00ED pro v\u00FDrobu \u010Dist\u00E9ho vod\u00EDku pomoc\u00ED chromu, manganu a niklu s vyu\u017Eit\u00EDm cyklick\u00E9ho chemick\u00E9ho procesu za ni\u017E\u0161\u00EDch teplot"@cs .