填空題在開停車過程中要各壓力應(yīng):()>氧氣壓力>轉(zhuǎn)化系統(tǒng)壓力

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4.單項(xiàng)選擇題下列不屬于鐵鉬觸媒對(duì)有機(jī)硫及烯烴的轉(zhuǎn)化反應(yīng)的是()

A.RSR`+2H2===RH+R`H+H2S
B.CS2+4H2===CH4+2H2S
C.C4H4S+4H2===C4H10+H2
D.CO+H2O===CO2+H2

5.單項(xiàng)選擇題氧化鐵對(duì)硫化氫的吸收反應(yīng)為()

A.Fe3O4+H2+H2S===3FeS+4H2O
B.Fe3O4+H2+3H2S===3FeS+4H2O
C.Fe3O4+H2+3H2S===FeS+4H2O
D.Fe3O4+2H2+3H2S===3FeS+4H2O