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The effects of iron and calcium compounds on NO emission during CZC (carbazole char) gasification under different O 2 concentrations have been investigated in a quartz tube fixed bed reactor. Temperature-programmed gasification was preformed to determine the influence of O 2 concentration and catalytic effects of iron and calcium on NO emission. The results show that the O 2 ...
NO-char reaction and char combustion in the presence and absence of mineral matter were studied in a quartz fixed bed reactor. Eight chars were prepared in a fluidized bed at 950 o C from four Chinese coals that were directly carbonized without pretreatment or were first deashed before carbonization. The decomposition of NO over these coal-derived chars was studied in Ar, CO/Ar and O 2...
The effects of calcium and iron impregnated on coal chars as catalysts on NO-char reaction have been investigated under various atmospheres in a quartz fixed bed reactor. Temperature programmed reaction and isothermal reaction were used to determine the catalytic activities of calcium and iron in NO-char reaction. The results showed that the higher the pretreatment temperatures are, the lower is the...
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