论文部分内容阅读
本文叙述了所研制的半水煤气甲烷化耐硫催化剂所具有的物化特征.活性温度范围400～550℃,压力不小于0.6MPa,原料气中硫含量500～5000ppm(mol),空速1000h~(-1)左右,一氧化碳转化率约为40%,其本征动力学方程dN_(CH_4)/dw=1.120×10~(-6)exp(-7.788×10~4/RT)P~(1.13)y_(H_2O)~(0.4)y_(CO)~(0.73)dN_(CO_2)/dw=1.767×10~(-7)exp(-7.423×10~4/RT)P~(1.39)y_(CO)~(0.16)y_(H_2O)~(1.23)(1-β)
This paper describes the physical and chemical characteristics of the developed sulfided methanation sulfur-tolerant catalyst.The active temperature range is 400 ~ 550 ℃, the pressure is not less than 0.6MPa, the sulfur content in feed gas is 500 ~ 5000ppm, the space velocity is 1000h ~ ( -1), the carbon monoxide conversion rate is about 40%. The intrinsic kinetic equation dN_ (CH_4) /dw=1.120 × 10 ~ (-6) exp (-7.788 × 10 ~ 4 / RT) P ~ (1.13) (H_2O) ~ (0.4) y_ (CO) ~ (0.73) dN_ (CO_2) /dw=1.767 × 10 ~ (-7) exp (-7.423 × 10 ~ 4 / RT) P ~ (1.39) y_ ) ~ (0.16) y_ (H_2O) ~ (1.23) (1-β)