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    • 2. 发明授权
    • Process and device for improved separation of paraxylene in a simulated moving bed
    • 用于改进模拟移动床中对二甲苯分离的方法和装置
    • US07759534B2
    • 2010-07-20
    • US12181771
    • 2008-07-29
    • Philibert LeflaiveLue WolffDamien Leinekugel Le Cocq
    • Philibert LeflaiveLue WolffDamien Leinekugel Le Cocq
    • C07C7/12
    • B01D15/185C07C7/12C07C7/13C07C15/08
    • Process for separating paraxylene with a purity that is at least equal to 99.5% by weight from an aromatic feedstock F in a single adsorption stage in a simulated moving bed (SMB), comprising different numbers of beds, allocated to a zone 1 between the supply of the desorbent D and the draw-off of the extract E; a zone 2 between the draw-off of the extract E and the supply of the feedstock F; a zone 3 between the supply of the feedstock and the draw-off of the raffinate R; a zone 4 between the draw-off of the raffinate R and the supply of the desorbent D, wherein an SMB of 12 adsorbent beds has bed configuration (2, 5, 3, 2), an SMB of 15 adsorbent beds has bed configuration (3, 6, 4 , 2), or an SMB of 19 adsorbent beds has bed configuration (4, 7, 6, 2), wherein the desorbent in this latter case is paradiethylbenzene.
    • 在模拟移动床(SMB)中在单个吸附阶段中从芳香原料F分离至少等于99.5重量%的纯度的对二甲苯的方法,包括不同数量的床,分配给供应的区域1 的脱附剂D和萃取物E的排出物; 提取物E的抽出和原料F的供给之间的区域2; 在原料供应和萃余液R的排出之间的区域3; 在萃余液R的抽出和解吸剂D的供应之间的区域4,其中12个吸附床的SMB具有床构型(2,5,3,2),15个吸附床的SMB具有床构型 3,6,4,2),或19个吸附剂床的SMB具有床构型(4,7,6,2),其中在后一种情况下的解吸剂是对二甲基苯。
    • 3. 发明授权
    • Process and device for improved separation of metaxylene in a simulated moving bed
    • 在模拟移动床中改善间二甲苯分离的方法和装置
    • US07838714B2
    • 2010-11-23
    • US12181525
    • 2008-07-29
    • Philibert LeflaiveLuc WolffDamien Leinekugel Le Cocq
    • Philibert LeflaiveLuc WolffDamien Leinekugel Le Cocq
    • C07C7/12
    • B01D15/185B01D53/06B01D2257/7027C07C7/13C07C15/08
    • Process for separation of metaxylene, with at least 99% by weight of purity of an aromatic feedstock F, in a single adsorption stage in a simulated moving bed in an SMB device that comprises 12, 13 or 15 adsorbent beds with different numbers of beds being employed in zone 1 between the supply of the desorbent D and the draw-off of the extract E; zone 2 between the draw-off of the extract E and the supply of the feedstock F; zone 3 between the supply of the feedstock and the draw-off of the raffinate R; and zone 4 between the draw-off of the raffinate R and the supply of the desorbent D whereby the process is carried out according to a configuration of zones (a, b, c, d), whereby a, b, c, and d represent the number of adsorbent beds that operate respectively in zones 1, 2, 3, 4 in which there is used: Either an SMB of 12 adsorbent beds operating according to the configuration (2, 5, 3, 2), Or an SMB of 13 adsorbent beds operating according to the configuration (2, 5, 4, 2), Or an SMB of 15 adsorbent beds operating according to the configuration (2, 6, 4, 3).
    • 在SMB装置的模拟移动床的单个吸附阶段中分离具有至少99重量%芳族原料F的至少99重量%的间二甲苯的方法,所述SMB装置包含12,13或15个具有不同床数的吸附剂床 在供应解吸剂D与提取物E的排出之间的区域1中使用; 提取物E的抽出和原料F的供给之间的区域2; 在原料供应和萃余液R的排出之间的区域3; 和抽提物R的抽出和解吸剂D的供给之间的区域4,由此根据区域(a,b,c,d)的构造进行处理,由此a,b,c和d 表示分别在其中使用的区域1,2,3,4中操作的吸附剂床的数量:根据配置(2,5,3,2)操作的12个吸附床的SMB,或者根据配置(2,5,3,2)操作的SMB或者 13个吸附床根据结构(2,5,4,2)操作,或15个吸附床的SMB(根据配置操作(2,6,4,3))。
    • 5. 发明申请
    • PROCESS AND DEVICE FOR IMPROVED SEPARATION OF METAXYLENE IN A SIMULATED MOVING BED
    • 在模拟移动床中改进分离亚甲基的方法和装置
    • US20090036726A1
    • 2009-02-05
    • US12181525
    • 2008-07-29
    • Philibert LeflaiveLuc WolffDamien Leinekugel Le Cocq
    • Philibert LeflaiveLuc WolffDamien Leinekugel Le Cocq
    • C07C7/12
    • B01D15/185B01D53/06B01D2257/7027C07C7/13C07C15/08
    • Process for separation of metaxylene, with at least 99% by weight of purity of an aromatic feedstock F, in a single adsorption stage in a simulated moving bed in an SMB device that comprises 12, 13 or 15 adsorbent beds with different numbers of beds being employed in zone 1 between the supply of the desorbent D and the draw-off of the extract E; zone 2 between the draw-off of the extract E and the supply of the feedstock F; zone 3 between the supply of the feedstock and the draw-off of the raffinate R; and zone 4 between the draw-off of the raffinate R and the supply of the desorbent D whereby the process is carried out according to a configuration of zones (a, b, c, d), whereby a, b, c, and d represent the number of adsorbent beds that operate respectively in zones 1, 2, 3, 4 in which there is used: Either an SMB of 12 adsorbent beds operating according to the configuration (2, 5, 3, 2), Or an SMB of 13 adsorbent beds operating according to the configuration (2, 5, 4, 2), Or an SMB of 15 adsorbent beds operating according to the configuration (2, 6, 4, 3).
    • 在SMB装置的模拟移动床的单个吸附阶段中分离具有至少99重量%芳族原料F的至少99重量%的间二甲苯的方法,所述SMB装置包含12,13或15个具有不同床数的吸附剂床 在供应解吸剂D与提取物E的排出之间的区域1中使用; 提取物E的抽出和原料F的供给之间的区域2; 在原料供应和萃余液R的排出之间的区域3; 和抽提物R的抽出和解吸剂D的供给之间的区域4,由此根据区域(a,b,c,d)的构造进行处理,由此a,b,c和d 表示分别在其中使用的区域1,2,3,4中操作的吸附剂床的数量:根据配置(2,5,3,2)操作的12个吸附床的SMB,或者根据配置(2,5,3,2)操作的SMB或者 13个吸附床根据结构(2,5,4,2)操作,或15个吸附床的SMB(根据配置操作(2,6,4,3))。
    • 6. 发明申请
    • PROCESS AND DEVICE FOR IMPROVED SEPARATION OF PARAXYLENE IN A SIMULATED MOVING BED
    • 在模拟移动床中改善分离PARAXYLENE的方法和装置
    • US20090018380A1
    • 2009-01-15
    • US12181771
    • 2008-07-29
    • Philibert LEFLAIVELue WolffDamien Leinekugel Le Cocq
    • Philibert LEFLAIVELue WolffDamien Leinekugel Le Cocq
    • C07C7/12
    • B01D15/185C07C7/12C07C7/13C07C15/08
    • Process for separating paraxylene with a purity that is at least equal to 99.5% by weight from an aromatic feedstock F in a single adsorption stage in a simulated moving bed (SMB), comprising different numbers of beds, allocated to a zone 1 between the supply of the desorbent D and the draw-off of the extract E; a zone 2 between the draw-off of the extract E and the supply of the feedstock F; a zone 3 between the supply of the feedstock and the draw-off of the raffinate R; a zone 4 between the draw-off of the raffinate R and the supply of the desorbent D, wherein an SMB of 12 adsorbent beds has bed configuration (2, 5, 3, 2), an SMB of 15 adsorbent beds has bed configuration (3, 6, 4, 2), or an SMB of 19 adsorbent beds has bed configuration (4, 7, 6, 2), wherein the desorbent in this latter case is paradiethylbenzene.
    • 在模拟移动床(SMB)中在单个吸附阶段中从芳香原料F分离至少等于99.5重量%的纯度的对二甲苯的方法,包括不同数量的床,分配给供应的区域1 的脱附剂D和萃取物E的排出物; 提取物E的抽出和原料F的供给之间的区域2; 在原料供应和萃余液R的排出之间的区域3; 在萃余液R的抽出和解吸剂D的供应之间的区域4,其中12个吸附床的SMB具有床构型(2,5,3,2),15个吸附床的SMB具有床构型 3,6,4,2),或19个吸附剂床的SMB具有床构型(4,7,6,2),其中在后一种情况下的解吸剂是对二甲基苯。
    • 10. 发明申请
    • PROCESS AND DEVICE FOR SIMULATED MOVING BED SEPARATION WITH A MODULATED BY-PASS FLUID FLOW
    • 模拟移动床分离与调制旁路流体流动的过程和装置
    • US20110201865A1
    • 2011-08-18
    • US13059773
    • 2009-07-29
    • Xavier DecoodtGerard HotierPhilibert LeflaiveDamien Leinekugel Le Cocq
    • Xavier DecoodtGerard HotierPhilibert LeflaiveDamien Leinekugel Le Cocq
    • C07C7/12B01D53/08
    • B01D15/1835C07C7/12C10G25/06C10G25/12C10G53/08C10G2300/1096C10G2400/02C10G2400/30C07C15/08
    • A process for separating a feed F by simulated moving bed adsorption in a SMB device comprises at least one zone 1 for desorption of the compounds produced in the extract, a zone 2 for desorption of the compounds produced in the raffinate, a zone 3 for adsorption of the compounds produced in the extract, a zone 4 located between the raffinate withdrawal and the desorbant supply, the device comprising external by-pass lines Li/i+1 directly connecting two successive plates Pi and Pi+1;in which the degree of opening of means for restricting the flushing flow rate of the by-pass lines Li/i+1 are sequentially modified such that: 1) in an operational zone where there is at least one closed by-pass line, a super-synchronicity of the flushing flow rate is established in all of the by-pass lines which are not closed belonging to the zone under consideration, said super-synchronicity being defined by the following formula: S=a+b(nf/nt) in which the constant a is a constant in the range −5 to 5 and b is a constant in the range 40 to 100; 2) if there is no closed by-pass line in the zone under consideration (in other words if all of the by-pass lines of the zone are open), then a flow is established in all of the flushing lines of said zone which corresponds to the synchronicity plus or minus 8%.
    • 通过SMB装置中的模拟移动床吸附分离进料F的方法包括至少一个用于解吸萃取物中生成的化合物的区域1,用于解吸萃余液中生成的化合物的区域2,用于吸附的区域3 在提取物中产生的化合物,位于萃余液提取和解吸剂供应之间的区域4,该装置包括直接连接两个连续板Pi和Pi + 1的外部旁路管线Li / i + 1; 其中顺序修改限制旁路线Li / i + 1的冲洗流量的装置的打开程度,使得:1)在存在至少一个封闭旁路线的操作区域中, 在所考虑的区域内的所有未闭合的旁路线中建立冲洗流速的超同步性,所述超同步性由下式定义:S = a + b(nf / nt) 其中常数a为-5至5范围内的常数,b为40至100范围内的常数; 2)如果在所考虑的区域内没有闭路旁路线(换句话说,如果该区域的所有旁路线路都是打开的),则在所述区域的所有冲洗线路中建立流动, 对应于同步加或减8%。