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1.发明申请Process for distillatively removing piperazine from an ethylenediamine-piperazine mixture 有权从乙二胺 - 哌嗪混合物中蒸馏除去哌嗪的方法公开(公告)号：US20070037980A1
公开(公告)日：2007-02-15
申请号：US11494733
申请日：2006-07-28
Applicant: Michael Joedecke , Ortmund Lang , Gunther Cauwenberge , Matthias Frauenkron
Inventor： Michael Joedecke , Ortmund Lang , Gunther Cauwenberge , Matthias Frauenkron
IPC: C07D241/04
CPC classification number: C07D295/00
Abstract: The invention relates to a process for continuously, distillatively removing piperazine from an ethylenediamine-piperazine mixture under pressure at elevated temperature, by discharging the ethylenediamine at the top and the piperazine at the bottom of a distillation column. For the purpose of improving the quality of the piperazine, especially its color and color stability, the piperazine is subjected directly to circulation conveying it through an evaporator unit operated at a temperature of from about 160° C. to about 170° C. and returning it into the distillation column. After a residence time of from about 30 min to about 60 min in the circulation system, the piperazine is discharged in vapor form from a side draw in the lower section of the distillation column.
Abstract translation: 本发明涉及一种在高温压力下从乙二胺 - 哌嗪混合物中连续蒸馏除去哌嗪的方法，通过排出顶部的乙二胺和蒸馏塔底部的哌嗪。 为了提高哌嗪的质量，特别是其颜色和颜色稳定性，哌嗪直接进行循环，将其通过在约160℃至约170℃的温度下操作的蒸发器单元输送，并返回 进入蒸馏塔。 在循环系统中约30分钟至约60分钟的停留时间后，哌嗪从蒸馏塔下部的侧馏分以蒸汽形式排出。
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公开(公告)号：US20080217158A1
公开(公告)日：2008-09-11
申请号：US11994122
申请日：2006-06-30
Applicant: Bernd Rumpf , Ortmund Lang , Andrea Haunert , Thomas Genger , Anton Meier
Inventor： Bernd Rumpf , Ortmund Lang , Andrea Haunert , Thomas Genger , Anton Meier
CPC classification number: C07C7/04 , C07C13/277
Abstract: Process for recovering cyclododecatriene (CDT) from a solution comprising CDT and high boilers such as deactivated catalyst and polymers, which comprises feeding the solution into a preheater and heating it, subsequently depressurizing it through a downstream pressure maintenance device and feeding the resulting two-phase mixture into a helical tube evaporator and there reducing the CDT content of the liquid phase by partial evaporation and discharging a gaseous product stream having an increased concentration of CDT.
Abstract translation: 从包括CDT和高沸点剂如失活催化剂和聚合物的溶液中回收环十二碳三烯（CDT）的方法，其包括将溶液进料到预热器中并加热，随后通过下游压力维持装置将其减压并将所得的两相 混合物进入螺旋管蒸发器，并且通过部分蒸发降低液相的CDT含量并排出具有增加的CDT浓度的气态产物流。
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公开(公告)号：US06627756B1
公开(公告)日：2003-09-30
申请号：US09613718
申请日：2000-07-11
Applicant: Hartmut Riechers , Arthur Höhn , Joachim Simon , Ortmund Lang , Hartmut Schoenmakers , Matthias Rauls , Koen Claerbout
Inventor： Hartmut Riechers , Arthur Höhn , Joachim Simon , Ortmund Lang , Hartmut Schoenmakers , Matthias Rauls , Koen Claerbout
IPC: C07D48708
CPC classification number: C07D487/08
Abstract: Pure triethylenediamine (TEDA) is prepared by vaporizing TEDA, introducing the gaseous TEDA into a liquid solvent and subsequently crystallizing the TEDA from the solution obtained in this way.
Abstract translation: 通过蒸发TEDA，将气态TEDA引入液体溶剂中并随后从以这种方式获得的溶液中使TEDA结晶来制备纯三亚乙基二胺（TEDA）。
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公开(公告)号：US07959766B2
公开(公告)日：2011-06-14
申请号：US11994122
申请日：2006-06-30
Applicant: Bernd Rumpf , Ortmund Lang , Andrea Haunert , Thomas Genger , Anton Meier
Inventor： Bernd Rumpf , Ortmund Lang , Andrea Haunert , Thomas Genger , Anton Meier
IPC: B01D3/04 , C07C7/04 , C07C13/277
CPC classification number: C07C7/04 , C07C13/277
Abstract: Process for recovering cyclododecatriene (CDT) from a solution containing CDT and high boilers such as deactivated catalyst and polymers, which includes feeding the solution into a preheater and heating it, subsequently depressurizing it through a downstream pressure maintenance device and feeding the resulting two-phase mixture into a helical tube evaporator and there reducing the CDT content of the liquid phase by partial evaporation and discharging a gaseous product stream having an increased concentration of CDT.
Abstract translation: 从含有CDT和高沸点物如失活催化剂和聚合物的溶液中回收环十二碳三烯（CDT）的方法，其包括将溶液进料到预热器中并加热，随后通过下游压力维持装置将其减压并将所得的两相 混合物进入螺旋管蒸发器，并且通过部分蒸发降低液相的CDT含量并排出具有增加的CDT浓度的气态产物流。
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公开(公告)号：US20070135660A1
公开(公告)日：2007-06-14
申请号：US10588662
申请日：2005-02-10
Applicant: Bernd Rumpf , Eckhard Stroefer , Ortmund Lang , Neven Lang
Inventor： Bernd Rumpf , Eckhard Stroefer , Ortmund Lang , Neven Lang
IPC: C07C45/00
Abstract: A process for preparing a high-concentration formaldehyde solution by removing water from a lower-concentration formaldehyde solution having a formaldehyde content of from 5 to 50% by weight, in which the lower-concentration formaldehyde solution is fed to a preheater and heated in the preheater, depressurized via a pressure maintenance device and concentrated in a helical tube evaporator to give a vapor stream and the high-concentration formaldehyde solution as bottom stream, wherein the heated lower-concentration formaldehyde hyde solution is depressurized in the pressure maintenance device to give a two-phase mixture which is fed into the helical tube evaporator, is proposed.
Abstract translation: 通过从甲醛含量为5〜50重量％的低浓度甲醛溶液中除去水而制备高浓度甲醛溶液的方法，其中将低浓度甲醛溶液加入到预热器中并在 预热器，通过压力维持装置减压，并浓缩在螺旋管蒸发器中，得到蒸气流，高浓度甲醛溶液作为底部流，其中加压的低浓度甲醛海藻溶液在压力维持装置中减压，得到 提出了进入螺旋管蒸发器的两相混合物。
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Patent Agency Ranking
公开(公告)号：US07151177B2
公开(公告)日：2006-12-19
申请号：US10488978
申请日：2002-09-11
Applicant: Ortmund Lang , Bernd Rumpf , Matthias Frauenkron , Thomas Manderbach , Bernd Stein
Inventor： Ortmund Lang , Bernd Rumpf , Matthias Frauenkron , Thomas Manderbach , Bernd Stein
IPC: C07D487/00
CPC classification number: C07D487/08
Abstract: Highly pure triethylenediamine is obtained by a process in which triethylenediamine is freed from high boilers and then the triethylenediamine is vaporized from the mixture thus obtained and is passed into a liquid solvent. The process makes it possible in particular to obtain highly pure solutions of triethylenediamine. Crystallization is generally unnecessary.
Abstract translation: 通过以下方法获得高纯度三亚乙基二胺，其中三乙二胺不被高锅炉除去，然后将三亚乙基二胺从得到的混合物汽化，并通入液体溶剂中。 该方法特别可以获得高纯度的三亚乙基二胺溶液。 结晶通常是不必要的。
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公开(公告)号：US07872131B2
公开(公告)日：2011-01-18
申请号：US11579923
申请日：2005-05-13
Applicant: Ortmund Lang , Matthias Frauenkron
Inventor： Ortmund Lang , Matthias Frauenkron
IPC: C07D487/08
CPC classification number: C07D487/08
Abstract: Process for preparing a solution of pure triethylenediamine (TEDA), in which TEDA is vaporized, the gaseous TEDA is passed into a liquid solvent 1 (quench) and the TEDA is crystallized from the resulting solution and separated off (solid-liquid separation), wherein the crystalline TEDA obtained is dissolved in a solvent 2 and a stripping gas is passed through the resulting solution (stripping).
Abstract translation: 制备TEDA蒸发的纯三亚乙基二胺（TEDA）溶液的方法，将气态TEDA送入液体溶剂1（骤冷），并将TEDA从所得溶液中结晶并分离（固液分离） 其中将获得的结晶TEDA溶解在溶剂2中，并使汽提气体通过所得溶液（汽提）。
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公开(公告)号：US20080312439A1
公开(公告)日：2008-12-18
申请号：US12095868
申请日：2006-12-07
Applicant: Ortmund Lang , Jurgen Ciprian , Matthias Rauls , Matthias Frauenkron , Gunther van Cauwenberge , Jan Nouwen
Inventor： Ortmund Lang , Jurgen Ciprian , Matthias Rauls , Matthias Frauenkron , Gunther van Cauwenberge , Jan Nouwen
IPC: C07D487/02
CPC classification number: C07D487/08
Abstract: The present invention relates to a process for working up triethylenediamine (TEDA) in which TEDA is vaporized and the gaseous TEDA is introduced into a solvent, subsequently crystallized and separated off from this and the mother liquor formed is extracted with an extractant, wherein the raffinate phase obtained after the extraction stage is worked up further by adsorption in which extractant and/or by-products and intermediates present in the raffinate phase are removed therefrom.
Abstract translation: 本发明涉及一种处理其中TEDA蒸发并将气态TEDA引入溶剂中的三亚乙基二胺（TEDA）的方法，随后结晶并与其分离，形成的母液用萃取剂萃取，其中萃余剂 通过吸附进一步处理提取阶段之后获得的相，其中从其中除去萃余剂和/或副产物和存在于萃余相中的中间体。
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公开(公告)号：US07342139B2
公开(公告)日：2008-03-11
申请号：US10588662
申请日：2005-02-10
Applicant: Bernd Rumpf , Eckhard Ströfer , Ortmund Lang , Neven Lang
Inventor： Bernd Rumpf , Eckhard Ströfer , Ortmund Lang , Neven Lang
IPC: C07C45/78
Abstract: A process for preparing a high-concentration formaldehyde solution by removing water from a lower-concentration formaldehyde solution having a formaldehyde content of from 5 to 50% by weight, in which the lower-concentration formaldehyde solution is fed to a preheater and heated in the preheater, depressurized via a pressure maintenance device and concentrated in a helical tube evaporator to give a vapor stream and the high-concentration formaldehyde solution as bottom stream, wherein the heated lower-concentration formaldehyde hyde solution is depressurized in the pressure maintenance device to give a two-phase mixture which is fed into the helical tube evaporator, is proposed.
Abstract translation: 通过从甲醛含量为5〜50重量％的低浓度甲醛溶液中除去水而制备高浓度甲醛溶液的方法，其中将低浓度甲醛溶液加入到预热器中并在 预热器，通过压力维持装置减压，并浓缩在螺旋管蒸发器中，得到蒸气流，高浓度甲醛溶液作为底部流，其中加压的低浓度甲醛海藻溶液在压力维持装置中减压，得到 提出了进入螺旋管蒸发器的两相混合物。
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公开(公告)号：US20080021218A1
公开(公告)日：2008-01-24
申请号：US11579923
申请日：2005-05-13
Applicant: Ortmund Lang , Matthias Frauenkron
Inventor： Ortmund Lang , Matthias Frauenkron
IPC: C07D487/08
CPC classification number: C07D487/08
Abstract: Process for preparing a solution of pure triethylenediamine (TEDA), in which TEDA is vaporized, the gaseous TEDA is passed into a liquid solvent 1 (quench) and the TEDA is crystallized from the resulting solution and separated off (solid-liquid separation), wherein the crystalline TEDA obtained is dissolved in a solvent 2 and a stripping gas is passed through the resulting solution (stripping).
Abstract translation: 制备TEDA蒸发的纯三亚乙基二胺（TEDA）溶液的方法，将气态TEDA送入液体溶剂1（骤冷），并将TEDA从所得溶液中结晶并分离（固液分离） 其中将获得的结晶TEDA溶解在溶剂2中，并使汽提气体通过所得溶液（汽提）。
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