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    • 3. 发明授权
    • Process for producing ethylene
    • 生产乙烯的方法
    • US08426664B2
    • 2013-04-23
    • US12085703
    • 2006-11-22
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • C07C1/24
    • C07C1/24C07C2521/08C07C2521/16C07C2527/188C07C2527/19C07C2529/18Y02P20/582C07C11/04
    • Process for producing ethylene from an ethanol feedstock A by (1) reacting the ethanol feedstock A in a vapor phase reactor wherein the ethanol is converted at a temperature between 160 and 270° C. and at a pressure of above 0.1 MPa but less than 4.5 MPa, into a product stream B containing ethylene, diethyl ethers, water and unconverted ethanol, (2) cooling the product stream B, (3) disengaging the cooled product stream B in a separation unit to give a first stream C containing ethylene and diethyl ethers, and a second product stream D containing water, diethyl ethers and unconverted ethanol, (4) feeding the product stream D to a dewatering unit wherein the water stream F is separated from the diethyl ethers and unconverted ethanol stream E, (5) recycling the stream E into the dehydration reactor of step 1, (6) cooling the product stream C, and (7) feeding the cooled product stream C to a purification unit wherein the diethyl ethers stream G is separated from the ethylene stream H. Optionally, the ethyl ethers stream G is recycled to either the dewatering unit of step (4) or directly to dehydration reactor of step (1).
    • 通过(1)使乙醇原料A在气相反应器中反应,其中乙醇在160-270℃之间的温度和在0.1MPa以上但小于4.5的压力下进行转化,从乙醇原料A生产乙烯的方法 MPa,加入含有乙烯,二乙醚,水和未转化乙醇的产物流B中,(2)冷却产物流B,(3)在分离单元中使冷却的产物流B脱离,得到含有乙烯和二乙基 醚和含有水,二乙醚和未转化乙醇的第二产物流D,(4)将产物流D供给脱水单元,其中水流F与二乙醚和未转化的乙醇流E分离,(5)回收 将流E进入步骤1的脱水反应器,(6)冷却产物流C,和(7)将冷却的产物流C供给到纯化单元,其中二乙醚流G与乙烯流H分离。 乙醚流G被再循环到步骤(4)的脱水单元或直接转移到步骤(1)的脱水反应器中。
    • 7. 发明授权
    • Process for producing olefins
    • 烯烃生产方法
    • US08440873B2
    • 2013-05-14
    • US12085635
    • 2006-11-22
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • C07C1/24
    • C07C1/24C07C1/20Y02P20/582Y02P30/42C07C11/02
    • Process for producing mono-olefins(s) from a feedstock A containing ethanol and propanol, wherein ethanol and propanol are dehydrated into the corresponding same carbon number olefins. The process is performed by 1. reacting feedstock A in a vapor phase dehydration reactor wherein the ethanol and propanol alcohols are converted into a product stream B comprising ethylene, propylene, ethers, water and unconverted alcohols, 2. cooling the product stream B, 3. disengaging the cooled product stream B in a separation unit to give a first stream C containing ethylene, propylene and ethers, and a second product stream D containing water, ethers and unconverted alcohols, 4. feeding the product stream D to a dewatering column wherein the water stream F is separated from the ethers and unconverted alcohols stream E, 5. recycling the stream E into the dehydration reactor of step 1, and 6. cooling the product stream C. In a step 7, the cooled product stream C is fed to a purification unit wherein the ethers stream G is separated from the ethylene and propylene stream H, and in an optional step 8, the ethers stream G is recycled to either the dewatering column of step 4 and/or directly to dehydration reactor of step 1.
    • 从含有乙醇和丙醇的原料A生产单烯烃的方法,其中乙醇和丙醇被脱水成相应的相同碳数的烯烃。 该方法通过以下方式进行:1.将原料A在气相脱水反应器中反应,其中乙醇和丙醇醇转化成包含乙烯,丙烯,醚,水和未转化的醇的产物流B. 2.冷却产物流B,3 使分离单元中的冷却的产物流B脱离,得到含有乙烯,丙烯和醚的第一流C,以及含有水,醚和未转化的醇的第二产物流D.将产物流D送入脱水塔, 将水流F与醚和未转化的醇流E,5分离,将流E再循环到步骤1的脱水反应器中,和6.冷却产物流C.在步骤7中,将冷却的产物流C 涉及一种净化单元,其中醚流G与乙烯和丙烯料流H分离,并且在任选的步骤8中,将醚流G再循环至步骤4的脱水塔和/或二 直接进入步骤1的脱水反应器。
    • 10. 发明授权
    • Process for producing propylene
    • 生产丙烯的方法
    • US08552240B2
    • 2013-10-08
    • US12085704
    • 2006-11-22
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • Craig BaileyLeslie William BoltonBenjamin Patrick GraceyMichael Keith LeeStephen Roy Partington
    • C07C1/24
    • C07C1/24C07C2521/08C07C2521/16C07C2527/173C07C2527/188C07C2527/19C07C2529/18Y02P20/582C07C11/06
    • Process for producing propylene from a propanol feedstock A2 by reacting the propanol feedstock A2 in a vapor phase dehydration reactor wherein the propanol is convened at a temperature comprised between 160 and 270° C. and at a pressure of above 0.1 MPa but less than 4.5 MPa, into a product stream B2 containing propylene, propyl ethers, water and unconverted and/or isomerized propanols, cooling the product stream B2, disengaging the cooled product stream B2 in a separation unit to give a first stream C2 containing propylene and propyl ethers, and a second product stream D2 containing water, propyl ethers and unconverted and/or isomerized propanols, feeding the product stream D2 to a dewatering unit wherein the water stream F2 is separated from the propyl ethers and unconverted and/or isomerised propanols stream E2, recycling the stream E2 into the dehydration reactor, cooling the product stream C2, feeding the cooled product stream C2 to a purification unit wherein the propyl ethers stream G2 is separated from the propylene stream H2, and optionally, recycling the propyl ethers stream G2 to either the dewatering unit or directly to dehydration reactor.
    • 通过丙醇原料A2在气相脱水反应器中反应生成丙烯的方法,其中丙醇在160-270℃的温度和高于0.1MPa但小于4.5MPa的压力下进行 在含有丙烯,丙醚,水和未转化的和/或异构化的丙醇的产物流B2中,冷却产物流B2,使分离单元中的冷却的产物流B2脱离,得到含丙烯和丙醚的第一料流C2, 将含有水,丙醚和未转化和/或异构化的丙醇的第二产物流D2,将产物流D2供给脱水单元,其中水流F2与丙醚和未转化的和/或异构化的丙醇流E2分离,将 将流E2进入脱水反应器中,冷却产物流C2,将冷却的产物流C2进料到纯化单元,其中丙醚 流G2与丙烯流H 2分离,并且任选地将丙醚流G2再循环到脱水单元或直接进入脱水反应器。