Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation
    2.
    发明申请
    Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation 有权
    通过重质原油和蒸馏残余物通过部分氧化从重质装料生产合成气的方法

    公开(公告)号:US20050074395A1

    公开(公告)日:2005-04-07

    申请号:US10624560

    申请日:2003-07-23

    摘要: Process for the production of synthesis gas from heavy charges comprising a partial oxidation of heavy charges with oxygen or air enriched in oxygen in the presence of vapour, carried out at temperatures higher than 1000° C. and pressures equal to or higher than 20 atm and the subsequent cooling of the synthesis gas obtained, by the direct injection of water into the gas itself followed by the separation of the water effected by means of an adduction pipe surrounded by a concentric tube open at both ends so as to form a ring through which the cooled gas and water can rise, characterized in that the distance (L) between the lower end of the adduction pipe and the lower end of the open concentric tube must be equal to or higher than x times the diameter (D) of said lower end of the adduction pipe, wherein x varies in relation to the specific gas mass flow-rate (F), expressed in kg/h/cm2, according to the equation x=0.026 F+0.15.

    摘要翻译: 用于在高于1000℃的温度和等于或高于20atm的温度下进行的在蒸气存在下用氧气或富氧的空气部分氧化重质电荷的部分氧化或重质电荷的制备方法,以及 通过将水直接注入气体本身,随后通过由两端敞开的同心管围绕的内接管分离水来随后冷却合成气体,以便形成环,通过该环 冷却的气体和水可以上升,其特征在于,内导管的下端与敞开的同心管的下端之间的距离(L)必须等于或高于所述下部的直径(D)的x倍 内置管的端部,其中x根据等式x = 0.026F + 0.15,以比例气体质量流量(F)(以kg / h / cm 2表示)而变化。

    PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM
    3.
    发明申请
    PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM 有权
    从恶性循环中恢复氨的方法

    公开(公告)号:US20120039787A1

    公开(公告)日:2012-02-16

    申请号:US13143988

    申请日:2010-01-11

    IPC分类号: C01C1/12 B01D53/58

    摘要: A process for the recovery of ammonia contained in a gaseous stream is described, said process comprising the following phases: (a) subjecting the gaseous stream containing ammonia to a washing (S) with an aqueous washing solution (5a) having a pH lower than 7.0, with the formation of a purified gaseous stream (6) and an aqueous solution (7) containing an ammonium salt; (b) subjecting the aqueous solution containing the ammonium salt coming from phase (a) to a distillation process (MD) with a hydrophobic microporous membrane at a temperature ranging from 50 to 250° C. and a pressure ranging from 50 KPa to 4 MPa absolute with the formation of a regenerated washing solution (16) and a gaseous stream (18) comprising NH3 and H2O; (c) recycling said generated washing solution to phase (a). The equipment for carrying out the above process is also described.

    摘要翻译: 描述了用于回收气态物流中所含的氨的方法,所述方法包括以下阶段:(a)使含有氨的气态物质用pH低于水的洗涤溶液(5a)进行洗涤(S) 7.0,形成纯化的气流(6)和含有铵盐的水溶液(7); (b)在50-250℃的温度和50KPa至4MPa的压力下,将来自相(a)的含有相(a)的铵盐的水溶液用疏水性微孔膜进行蒸馏处理(MD) 绝对形成再生洗涤溶液(16)和包含NH 3和H 2 O的气流(18); (c)将所生成的洗涤溶液再循环到相(a)。 还描述了用于执行上述过程的设备。

    METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM IN A SYNTHESIS PROCESS OF UREA
    4.
    发明申请
    METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM IN A SYNTHESIS PROCESS OF UREA 有权
    在尿素合成过程中从气体流中恢复氨的方法

    公开(公告)号:US20110091369A1

    公开(公告)日:2011-04-21

    申请号:US12743717

    申请日:2008-11-14

    IPC分类号: C01C1/04 C07C273/02 B01D61/42

    摘要: The present invention relates to a process for the recovery of ammonia contained in a gaseous purging stream produced in a synthesis process of urea, comprising the following phases: a) subjecting the gaseous purging stream to a washing with an aqueous acidic solution, at a pH ranging from 1 to 6, with the formation of a first purified gaseous stream and an aqueous solution containing an ammonium salt; b) subjecting the aqueous solution containing the ammonium salt coming from phase a) to stripping, after treatment with a strong base, at a temperature ranging from 50 to 250° C. and a pressure ranging from 1 to 40 absolute bar, with the formation of a second gaseous stream comprising NH3, H2O and possibly CO2 and a solution containing a salt of the cation of said strong base; c) subjecting the solution containing the salt of the cation of the strong base coming from phase b) to a Membrane Electrochemical Process (MEP) with the formation of an aqueous solution of the acid used in phase a), an aqueous solution of the base used in phase b) and possibly a diluted aqueous solution of the cation salt of the strong base; d) recycling said aqueous solution of the acid and aqueous solution of the base to phase a) and to phase b) respectively, and recycling said second gaseous stream coming from phase b) to the urea synthesis process. The relative equipment is also described.

    摘要翻译: 本发明涉及一种在尿素合成过程中产生的气态吹扫液中所含的氨的回收方法,包括以下阶段:a)在酸性溶液中以pH值进行洗涤, 形成第一纯化气流和含有铵盐的水溶液; b)使来自a)相的含有铵盐的水溶液在强碱处理后,在50-250℃的温度和1至40绝对巴的压力下进行汽提,同时形成 包含NH 3,H 2 O和可能的CO 2的第二气流和含有所述强碱的阳离子的盐的溶液; c)在相a)中使用的酸的水溶液的形成,将含有来自相b)的强碱的阳离子盐的溶液经受膜电化学工艺(MEP),将碱的水溶液 在阶段b)中使用,并且可能是强碱的阳离子盐的稀释水溶液; d)将所述碱的酸和水溶液的所述水溶液分别循环到a)相和b相,并将来自b)相的所述第二气流再循环到尿素合成过程。 还描述了相关设备。

    Integrated process for the preparation of alkyl and alkenyl substituted aromatic compounds
    5.
    发明授权
    Integrated process for the preparation of alkyl and alkenyl substituted aromatic compounds 有权
    用于制备烷基和烯基取代芳族化合物的综合方法

    公开(公告)号:US07094940B2

    公开(公告)日:2006-08-22

    申请号:US10477516

    申请日:2002-05-14

    IPC分类号: C07C5/333 C07C2/64 C07C4/02

    摘要: Integrated process for the production of alkyl and alkenyl substituted aromatic compounds which comprises simultaneously dehydrogentaing in a reactor-regenerator system a mixture containing an alkyl and an aromatic alkyl hydrocarbon coming from an alkylation unit and recycling the dehydrogenated alkyl hydrocarbon thus produced, after separation, to the alkylation unit.

    摘要翻译: 用于制备烷基和烯基取代的芳族化合物的综合方法,其包括在反应器 - 再生器系统中同时脱氢黄土,其含有来自烷基化单元的烷基和芳族烷基烃的混合物,并将分离后的如此生产的脱氢烷基烃再循环至 烷基化单元。

    Integrated process for producing iso-butene and alkyl tert-butyl ethers
    6.
    发明授权
    Integrated process for producing iso-butene and alkyl tert-butyl ethers 失效
    用于生产异丁烯和烷基叔丁基醚的综合方法

    公开(公告)号:US5446224A

    公开(公告)日:1995-08-29

    申请号:US46954

    申请日:1993-04-16

    摘要: An integrated process for producing iso-butene and alkyl tert-butyl ethers in which the iso-butene is obtained by dehydrogenation of iso-butane followed by purification by partial condensation plus absorption of residual vapor with a solvent, the alkyl tert-butyl ether being obtained by reacting the purified iso-butene product with the corresponding alcohol, the essential characteristic being that the solvent used for absorbing the iso-butene is part of the product alkyl tert-butyl ether itself and/or part of the corresponding alcohol used in the process.

    摘要翻译: 一种用于生产异丁烯和烷基叔丁基醚的综合方法,其中通过异丁烷脱氢获得异丁烯,然后通过部分缩合纯化,用溶剂吸收残余蒸气,烷基叔丁基醚为 通过使纯化的异丁烯产物与相应的醇反应获得,其基本特征是用于吸收异丁烯的溶剂是产物烷基叔丁基醚本身的一部分和/或在其中使用的相应的醇的一部分 处理。

    Process for the recovery of ammonia from a gaseous stream
    7.
    发明授权
    Process for the recovery of ammonia from a gaseous stream 有权
    从气流中回收氨的方法

    公开(公告)号:US08758485B2

    公开(公告)日:2014-06-24

    申请号:US13143988

    申请日:2010-01-11

    IPC分类号: B01D47/00

    摘要: A process for the recovery of ammonia contained in a gaseous stream is described, said process comprising the following phases: (a) subjecting the gaseous stream containing ammonia to a washing (S) with an aqueous washing solution (5a) having a pH lower than 7.0, with the formation of a purified gaseous stream (6) and an aqueous solution (7) containing an ammonium salt; (b) subjecting the aqueous solution containing the ammonium salt coming from phase (a) to a distillation process (MD) with a hydrophobic microporous membrane at a temperature ranging from 50 to 250° C. and a pressure ranging from 50 KPa to 4 MPa absolute with the formation of a regenerated washing solution (16) and a gaseous stream (18) comprising NH3 and H2O; (c) recycling said generated washing solution to phase (a). The equipment for carrying out the above process is also described.

    摘要翻译: 描述了用于回收气态物流中所含的氨的方法,所述方法包括以下阶段:(a)使含有氨的气态物质用pH低于水的洗涤溶液(5a)进行洗涤(S) 7.0,形成纯化的气流(6)和含有铵盐的水溶液(7); (b)在50-250℃的温度和50KPa至4MPa的压力下,将来自相(a)的含有相(a)的铵盐的水溶液用疏水性微孔膜进行蒸馏处理(MD) 绝对形成再生洗涤溶液(16)和包含NH 3和H 2 O的气流(18); (c)将所生成的洗涤溶液再循环到相(a)。 还描述了用于执行上述过程的设备。

    Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation
    9.
    发明授权
    Process for the production of synthesis gas from heavy charges such as heavy crude oils and distillation residues by means of partial oxidation 有权
    通过重质原油和蒸馏残余物通过部分氧化从重质装料生产合成气的方法

    公开(公告)号:US07163647B2

    公开(公告)日:2007-01-16

    申请号:US10624560

    申请日:2003-07-23

    IPC分类号: C01B3/02 C01B3/22 C01B3/24

    摘要: Process for the production of synthesis gas from heavy charges comprising a partial oxidation of heavy charges with oxygen or air enriched in oxygen in the presence of vapour, carried out at temperatures higher than 1000° C. and pressures equal to or higher than 20 atm and the subsequent cooling of the synthesis gas obtained, by the direct injection of water into the gas itself followed by the separation of the water effected by means of an adduction pipe surrounded by a concentric tube open at both ends so as to form a ring through which the cooled gas and water can rise, characterized in that the distance (L) between the lower end of the adduction pipe and the lower end of the open concentric tube must be equal to or higher than x times the diameter (D) of said lower end of the adduction pipe, wherein x varies in relation to the specific gas mass flow-rate (F), expressed in kg/h/cm2, according to the equation x=0.026 F+0.15.

    摘要翻译: 用于在高于1000℃的温度和等于或高于20atm的温度下进行的在蒸气存在下用氧气或富氧的空气部分氧化重质电荷的部分氧化或重质电荷的制备方法,以及 通过将水直接注入气体本身,随后通过由两端敞开的同心管围绕的内接管分离水来随后冷却合成气体,以便形成环,通过该环 冷却的气体和水可以上升,其特征在于,内导管的下端与敞开的同心管的下端之间的距离(L)必须等于或高于所述下部的直径(D)的x倍 内接管的端部,其中x根据等式x = 0.026F + 0.15以相对于比气体质量流量(F)的变化,以kg / h / cm 2表示。