合成氣的生產(chǎn)過程

1、氫能利用背景氫能利用背景；1氫氣的利用是最佳的選擇改進(jìn)的費(fèi)托合成催化劑鋅、鉻系催化劑高壓、380 3MPa，175 銅、鋅系催化劑中低壓、230270 同系化銠絡(luò)合物HI催化劑222n2n22n2n242n2nnH3nCOOnH2HCnH2nCOOnHHCCO4nCH4n3OH2nHC 烯烴烯烴22222422242242224224HCOOHCOOH2CO4CO3CHOHHCO3CO2CHH2CO2COCHH4COOH2CHH3COOHCH OHCHCOCOCCO2H2CCH22224 主反應(yīng)主反應(yīng)副反應(yīng)副反應(yīng)2222243HCOOHCOHCOOHCHkJHHCOOHCOkJHHCOOHCH

2、19.4129.206302982220298224OHCOHCOPOHCHHCOPPPPPKPPPPK222242231298. 2T1008. 1T10632. 0Tlg09361. 0T183. 2Klg894.11T108737. 1T100814. 2Tlg3666. 8T75.9864Klg2732P2731P 陳五平陳五平無機(jī)化工工藝學(xué)無機(jī)化工工藝學(xué)假假定定：無無炭炭黑黑析析出出轉(zhuǎn)轉(zhuǎn)化化溫溫度度系系統(tǒng)統(tǒng)壓壓力力；原原料料氣氣中中的的水水碳碳比比已已知知條條件件： TP)CHOHm(m422222243HCOOHCOHCOOHCH)()3()21()(1 ()3)(22224222

3、331yxmyxyxyPPPPKxmpyxmxyxyxPPPPKOHCOHCOPOHCHHCOP圖解法或迭代法求解圖解法或迭代法求解x,y 水碳比越高，甲烷平衡含量越水碳比越高，甲烷平衡含量越低。低。溫度增加，甲烷平衡含量溫度增加，甲烷平衡含量下降下降222224HCOOHCOH3COOHCH 222222224COOCOHO)g(OHCOCOH2CO)g(OHCHHCHCH4CHkpr 控制水碳比、適宜的溫度和壓力來解決析碳。析炭危害析炭危害3PHCOOH2P2COCO1PCH2HKpppKppKpp22242 析碳可能性析碳可能性NiO + H2 Ni + H2O -1.26KJ/mol

4、鹵素鹵素 0.5ppm,永久性中毒永久性中毒xNi + H2S = NixS + H22H2 + O2 = 2H2O(g) - 483.99KJ/mol2CO + O2 = CO2 - 565.95KJ/molCH4 + H2O = CO + 3H2 +206.29KJ/molCH40.3%CH4 9.5%C + O2 =CO2 -393.777KJ/mol (5-1)C +1/2O2 =CO -110.595KJ/mol (5-2)C + CO2 = 2CO +172.284KJ/mol (5-3)CO + 1/2O2 =CO2 -283.183KJ/mol (5-4)rC = kyO2CO + H2O CO2 + H2 1212ln1EEEERTTTeeOPCnHm + nH2O nCO + (n + m/2)H2CO + H2O CO2 + H2C + H2O CO + H2CmHn(液) CmHn(氣) CmHn + (m/2 + n/4)O2 mCO + (n/2)H2OCmHn + (m/2)O2 mCO + (n/2)H2CO + H2O CO2 + H2 CH4 + H2O CO + 3H2 2CO 2C(S) + O22CO CO2 + CCO + H2 H2O+ CCH4 2H2 + CCH4 + H2O CO