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    • 2. 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))。
    • 3. 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))。
    • 9. 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。
    • 10. 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。