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    • 10. 发明申请
    • SIMULTANEOUS DECARBONISATION AND DEGASOLINAGE OF HYDROCARBONS
    • 烃类同时脱盐和降解
    • WO1990005766A1
    • 1990-05-31
    • PCT/FR1989000584
    • 1989-11-14
    • SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)BLANC, ClaudePARADOWSKI, Henri
    • SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)
    • C10G05/04
    • C10G5/04C10G2300/1025
    • The gaseous mixture to be treated (1) is washed (5) between 0 DEG C and -45 DEG C by means of a solvent, CO2 and C3 and greater hydrocarbons to produce a methane current (8) containing at the most 2 mole per cent of CO2 and a liquid phase (11) rich in CO2 and containing at least 80 mole per cent of C3 and greater of the gaseous mixture (1). The liquid phase (11) is subjected to demethanisation (12, 17) producing a rich demethanised solvent (27) and a gaseous phase rich in methane (22), then the rich solvent (27) is trated to produce an acid gas current (44) rich in CO2 and conatining, expressed in methane equivalent, less than 10 mole per cent of hydrocarbons, a fraction of C2 and more hydrocarbons (48) containing more than 80 mole per cent of C3 and more hydrocarbons present in the gaseous mixture (1) and a regenerated solvent (34), which is recycled in the washing zone (5).
    • 待处理的气体混合物(1)通过溶剂,CO 2和C 3和更多的烃在0℃和-45℃之间洗涤(5)以产生甲烷电流(8),其含有最多2摩尔/ 的二氧化碳浓度和富含CO 2的液相(11),并含有至少80%的C3和更高的气体混合物(1)。 使液相(11)进行脱甲烷化(12,17),产生富集的脱甲烷基溶剂(27)和富含甲烷(22)的气相,然后将富溶剂(27)进行酸化气流 44),富含二氧化碳并且以甲烷当量表示,小于10摩尔%的烃,一部分C 2和更多的烃(48)含有大于80摩尔%的存在于气态混合物中的C 3和更多烃( 1)和再生溶剂(34),其在洗涤区(5)中再循环。