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1. 发明授权

US06610888B1 Reaction of a solution comprising a mixture 有权
标题翻译：包含混合物的溶液的反应
公开(公告)号：US06610888B1
公开(公告)日：2003-08-26
申请号：US09583290
申请日：2000-05-31
申请人： Eckhard Ströfer , Stephan Scholl , Hans Hasse
发明人： Eckhard Ströfer , Stephan Scholl , Hans Hasse
IPC分类号： C07C21100
CPC分类号： C07C45/82 , C07B63/00 , C07C29/80 , C07C47/04 , C07C31/22 , C07C31/20
摘要： A method of reacting a solution comprising a mixture of chemical compounds which are in chemical equilibrium with one another with at least one further chemical compound (9) is provided. The method comprises the following steps: fractionation of the solution by means of a separation method to give at least two fractions (5, 6) which are enriched in different chemical compounds of the mixture; and reaction of a fraction (5) with the further chemical compound or compounds (9). The fractionation is advantageously carried out using a film evaporator (1). Unreacted fractions (6) can be recirculated via a residence time vessel (3) back to the fractionation step. The method is particularly suitable for reactions of an aqueous formaldehyde solution in which various components of the solution (formaldehyde, methylene glycol, polyoxymethylene glycols) react in different ways.
摘要翻译：提供了使包含与化学平衡化学平衡的化合物的混合物的溶液与至少一种其它化合物（9）反应的方法。该方法包括以下步骤：通过分离方法对溶液进行分级，得到富含混合物不同化合物的至少两个级分（5,6）; 以及级分（5）与其它化合物或化合物（9）的反应。有利的是使用薄膜蒸发器（1）进行分馏。未反应的馏分（6）可以通过停留时间容器（3）再循环回分馏步骤。该方法特别适合甲醛水溶液的反应，其中溶液的各种组分（甲醛，亚甲基二醇，聚氧化亚甲基二醇）以不同的方式反应。

2. 发明授权

US07193115B2 Highly concentrated formaldehyde solution, production and reaction thereof 有权
公开(公告)号：US07193115B2
公开(公告)日：2007-03-20
申请号：US10494762
申请日：2002-11-05
申请人： Eckhard Ströfer , Martin Sohn , Hans Hasse , Klemens Schilling
发明人： Eckhard Ströfer , Martin Sohn , Hans Hasse , Klemens Schilling
IPC分类号： C07C47/00 , A23J7/00
CPC分类号： C07C47/04 , C07C45/79 , C07C45/82 , C07C47/02
摘要： In an aqueous formaldehyde solution comprising formaldehyde in the form of monomeric formaldehyde, methylene glycol and polyoxymethylene glycols in a total concentration x of ≧65% by weight, the mean molar mass M of the polyoxymethylene glycols is, as a function of the formaldehyde concentration, equal to or less than the values given by equation I: ( M _ g ⁢ / ⁢ mol ) = 48 + 6.589 · 10 - 1 · ( x % ⁢ ⁢ by ⁢ ⁢ weight ) + 4.725 · 10 2 · ⁢ ( x % ⁢ ⁢ by ⁢ ⁢ weight ) 2 - 3.434 · 10 - 3 · ( x % ⁢ ⁢ by ⁢ ⁢ weight ) 3 + ⁢ 9.625 · 10 - 5 · ( x % ⁢ ⁢ by ⁢ ⁢ weight ) 4 - 1.172 · 10 6 · ⁢ ( x % ⁢ ⁢ by ⁢ ⁢ weight ) 5 + 5.357 · 10 - 9 · ( x % ⁢ ⁢ by ⁢ ⁢ weight ) 6 ( I ) where: M is the mean molar mass, and x is the total concentration of formaldehyde in the form of monomeric formaldehyde, methylene glycol and polyoxymethylene glycols in % by weight (total formaldehyde concentration).

3. 发明授权

US07713387B2 Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification 有权
标题翻译：通过压力变换精馏从三恶烷/甲醛/水混合物中分离三恶烷的方法
公开(公告)号：US07713387B2
公开(公告)日：2010-05-11
申请号：US10583698
申请日：2004-12-21
申请人： Markus Siegert , Neven Lang , Eckhard Ströfer , Achim Stammer , Thorsten Friese , Hans Hasse
发明人： Markus Siegert , Neven Lang , Eckhard Ströfer , Achim Stammer , Thorsten Friese , Hans Hasse
IPC分类号： B01D3/00 , C07D323/06 , C07C45/78
CPC分类号： C07D323/06
摘要： A process for removing trioxane from a use stream I of formaldehyde, trioxane and water, by a) providing a use stream I of formaldehyde as the main component and trioxane and water as the secondary components, b) mixing the use stream I with a recycle stream VII to obtain a feed stream Ia, c) distilling the use stream Ia in a first distillation stage to obtain a stream II of formaldehyde as the main component and water as the secondary component, and a stream III of trioxane as the main component and water and formaldehyde as the secondary components, d) distilling the stream III in a second distillation stage having a pressure higher than in the first distillation stage, to obtain a stream IV of trioxane and a stream V of trioxane as the main component and water and formaldehyde as the secondary components, e) distilling the stream V in a third distillation stage to obtain a stream VI of water and the recycle stream VII of trioxane as the main component and water and formaldehyde as the secondary components.
摘要翻译：一种从甲醛，三恶烷和水的使用流I中除去三恶烷的方法，通过以下步骤：a）提供以甲醛为主要成分的使用流I和作为第二组分的三恶烷和水，b）将使用流I与再循环流VII以获得进料流Ia，c）在第一蒸馏阶段中蒸馏出使用流Ia以获得作为主要组分的甲醛的流II和作为第二组分的水，以及作为主要组分的三恶烷的流III和水和甲醛作为次要组分，d）在具有高于第一蒸馏阶段的压力的第二蒸馏阶段中蒸馏料流III，得到三恶烷的流IV和三恶烷的流V作为主要成分，甲醛作为次要组分，e）在第三蒸馏阶段中蒸馏物流V以获得水的流VI和三恶烷的再循环流VII作为主要成分，水和甲醛为t 他的次要成分。

4. 发明授权

US07827820B2 Thermodynamic machine and method for absorbing heat 失效
标题翻译：热力机及吸热方法
公开(公告)号：US07827820B2
公开(公告)日：2010-11-09
申请号：US10557423
申请日：2004-05-21
申请人： Thomas Weimer , Michael Hackner , Hans Hasse , Norbert Stroh , Eckehart Walitza
发明人： Thomas Weimer , Michael Hackner , Hans Hasse , Norbert Stroh , Eckehart Walitza
IPC分类号： F25B15/00
CPC分类号： F25B15/14 , Y02A30/277 , Y02B30/62
摘要： A thermodynamic machine for the absorption and emission of heat at different temperatures has at least one thermodynamic device with at least one membrane separating a gas phase and a liquid phase provided for transport of heat, wherein the at least one membrane is permeable for at least one component contained in the gas and liquid phases. The at least one membrane is a porous membrane or a solution diffusion membrane or a modification of the porous membrane or a modification of the solution diffusion membrane.
摘要翻译：用于在不同温度下吸收和释放热量的热力学机构具有至少一个热力学装置，至少一个膜分离用于传输热量的气相和液相，其中所述至少一个膜可透过至少一个气相和液相中所含的组分。至少一个膜是多孔膜或溶液扩散膜或多孔膜的改性或溶液扩散膜的改性。

5. 发明授权

US07671240B2 Method for producing polyoxymethylene dimethyl ethers from methanol and formaldehyde 失效
标题翻译：从甲醇和甲醛生产聚甲醛二甲醚的方法
公开(公告)号：US07671240B2
公开(公告)日：2010-03-02
申请号：US11917528
申请日：2006-06-12
申请人： Eckhard Stroefer , Hans Hasse , Sergej Blagov
发明人： Eckhard Stroefer , Hans Hasse , Sergej Blagov
IPC分类号： C07C41/56 , C08G2/08
CPC分类号： C07C41/48 , C07C41/56 , C07C41/58 , C08G2/08 , C07C43/30
摘要： Processes for preparing tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4) include feeding a reaction mixture of an aqueous formaldehyde solution and methanol into a reactive evaporator and separating into a first low boiler fraction and a first high boiler fraction, recycling the first high boiler fraction into the reactor, feeding the first low boiler fraction into a first distillation column and separating into a second low boiler fraction and a second high boiler fraction, recycling the second high boiler fraction into the reactive evaporator, feeding the second low boiler fraction into a second distillation column and separating into a third low boiler fraction and a third high boiler fraction, feeding the third high boiler fraction into a phase separation apparatus and separating into an aqueous phase and an organic phase, and feeding the organic phase into a third distillation column and separating into a low and high boiler fractions.
摘要翻译：制备三 - 和四甲基二醇二甲醚（POMDMEn = 3,4）的方法包括将甲醛水溶液和甲醇的反应混合物进料到反应蒸发器中，并分离成第一低沸点馏分和第一高沸点馏分，循环利用将第一高锅炉馏分进入反应器，将第一低沸点馏分进料到第一蒸馏塔中并分离成第二低沸点馏分和第二高沸点馏分，将第二高沸点馏分再循环到反应蒸发器中，将第二低沸点馏分将馏分分馏成第二蒸馏塔并分离成第三低沸点馏分和第三高沸点馏分，将第三高沸点馏分进料到相分离装置中并分离成水相和有机相，并将有机相进料至第三蒸馏塔并分离成低和高沸点馏分。

6. 发明授权

US06605192B1 Method for producing highly pure monoethylene glycol 有权
标题翻译：高纯度单乙二醇生产方法
公开(公告)号：US06605192B1
公开(公告)日：2003-08-12
申请号：US09787616
申请日：2001-03-20
申请人： Gerhard Theis , Till Adrian , Bernd Bessling , Hans Hasse , Frans Vansant
发明人： Gerhard Theis , Till Adrian , Bernd Bessling , Hans Hasse , Frans Vansant
IPC分类号： B01D338
CPC分类号： C07C29/80 , Y10S203/20 , C07C31/202
摘要： A process for the distillative recovery of high purity monoethylene glycol from the hydrolysis, product of ethylene oxide by pressure dewatering, preferably in a battery, vacuum dewatering and subsequent purifying distillation, wherein during the vacuum dewatering an aqueous stream is withdrawn which contains-monoethylene glycol in a concentration below 1% by weight, preferably below 0.1% by weight, medium boilers and low boilers. The withdrawn aqueous stream is, optionally after further workup, removed from the system.
摘要翻译：一种从水解中回收高纯度单乙二醇的方法，通过压力脱水，优选在电池中进行蒸馏产物，真空脱水和随后的纯化蒸馏，其中在真空脱水期间，取出含有单乙二醇的水流浓度低于1重量％，优选低于0.1重量％，中等锅炉和低锅炉。取出的水流，任选地在进一步后处理之后，从体系中除去。

7. 发明申请

US20100145079A1 METHOD FOR PRODUCING CYCLIC FORMALDEHYDE DERIVATIVES FROM POLYOXY DIALKYL ETHERS 审中-公开
标题翻译：从多羟基二烷基醚生产环状甲醛衍生物的方法
公开(公告)号：US20100145079A1
公开(公告)日：2010-06-10
申请号：US12532430
申请日：2008-03-27
申请人： Eckhard Stroefer , Neven Lang , Markus Siegert , Hans Hasse
发明人： Eckhard Stroefer , Neven Lang , Markus Siegert , Hans Hasse
IPC分类号： C07D323/06
CPC分类号： C07D323/06
摘要： A process for preparing trioxane from trioxymethylene glycol dimethyl ether (POMDMEn=3) by converting trioxymethylene glycol dimethyl ether in the presence of an acidic catalyst and subsequent distillative workup of the reaction mixture, comprising the steps of: a) feeding trioxymethylene glycol dimethyl ether (POMDMEn=3) or a mixture comprising trioxymethylene glycol dimethyl ether into a reactor and converting it in the presence of an acidic catalyst to a mixture a comprising trioxane, formaldehyde, water, methylene glycol (MG), polyoxymethylene glycols (MGn>1), methanol, hemiformals (HF), methylal (POMDMEn=1) and polyoxymethylene glycol dimethyl ethers (POMDMEn>1); b) distillatively separating the reaction mixture a into a low boiler fraction b1 comprising formaldehyde, water, methylene glycol, methanol, hemiformal (HFn=1), methylal and dioxymethylene glycol dimethyl ether (POMDMEn=2), and a high boiler fraction b2 comprising trioxane, polyoxymethylene glycols (MGn>1), hemiformals (HFn>1) and polyoxymethylene glycol dimethyl ethers (POMDMEn>2); c) distillatively separating the high boiler fraction b2 into a low boiler fraction c1 comprising trioxane, and a high boiler fraction c2 comprising polyoxymethylene glycols (MGn>1), hemiformals (HFn>1) and polyoxymethylene glycol dimethyl ethers (POMDMEn>2).
摘要翻译：一种通过在酸性催化剂存在下转化三甘醇二甲醚和随后的反应混合物的蒸馏后处理由三甘醇二甲醚（POMDMEn = 3）制备三恶烷的方法，包括以下步骤：a）将三亚甲基二醇二甲醚 POMDMEn = 3）或包含三亚甲基二醇二甲醚的混合物加入到反应器中并在酸性催化剂存在下将其转化为包含三恶烷，甲醛，水，亚甲基二醇（MG），聚氧化亚甲基二醇（MGn1），甲醇，半缩甲醛（HF），甲缩醛（POMDMEn = 1）和聚氧化亚甲基二醇二甲醚（POMDMEn> 1）; b）将反应混合物a蒸馏分离成包含甲醛，水，亚甲基二醇，甲醇，半缩甲醛（HFn = 1），甲缩醛和二甲亚甲基二醇二甲醚（POMDMEn = 2）的低沸点馏分b1，以及高沸点馏分b2，三氧杂环己烷，聚甲醛（MGn> 1），半缩甲醛（HFn1）和聚甲醛二醇二甲醚（POMDMEn> 2）; c）将高沸点馏分b2蒸馏成包含三恶烷的低沸点馏分c1和包含聚甲醛二醇（MGn> 1），半缩甲醛（HFn1）和聚甲醛二醇二甲醚（POMDMEn2）的高沸点馏分c2。

8. 发明授权

US07273955B2 Method for thermal stabilization of highly concentrated formaldehyde solutions 失效
标题翻译：高度浓缩的甲醛溶液的热稳定化方法
公开(公告)号：US07273955B2
公开(公告)日：2007-09-25
申请号：US10547857
申请日：2004-03-04
申请人： Eckard Stroefer , Thomas Grützner , Hans Hasse
发明人： Eckard Stroefer , Thomas Grützner , Hans Hasse
IPC分类号： C07C47/00
CPC分类号： C07C45/78 , C07C45/82 , C07C47/04
摘要： Method of stabilizing high-concentration formaldehyde solutions having a CH2O content of >70% by weight against precipitation of solids, which comprises heating the high-concentration formaldehyde solution at a heating rate of at least 5° C./min to a temperature of from 80° C. to 200° C. immediately after it has been prepared and storing it at a temperature in this range.
摘要翻译：稳定CH 2 O 2含量> 70重量％的高浓度甲醛溶液与固体沉淀物的方法，其包括以至少5℃的加热速率加热高浓度甲醛溶液在制备它并立即将其储存在该范围内的温度之后，将其加热至80℃至200℃的温度。

9. 发明申请

US20070155972A1 Method for separating trioxane from a mixture containing trioxane, formaldehyde and water 审中-公开
标题翻译：从含有三恶烷，甲醛和水的混合物中分离三恶烷的方法
公开(公告)号：US20070155972A1
公开(公告)日：2007-07-05
申请号：US10583696
申请日：2004-12-21
申请人： Neven Lang , Eckhard Stroefer , Achim Stammer , Thorsten Friese , Markus Siegert , Michael Ott , Hans Hasse , Thomas Grutzner , Sergej Blagov
发明人： Neven Lang , Eckhard Stroefer , Achim Stammer , Thorsten Friese , Markus Siegert , Michael Ott , Hans Hasse , Thomas Grutzner , Sergej Blagov
IPC分类号： C07D305/12 , C07C41/03
CPC分类号： C07D323/06 , B01D3/146 , B01D3/36 , Y02P20/127
摘要： A process for removing trioxane from a mixture I of formaldehyde, trioxane and water, by a) distilling the mixture I in a first distillation stage at a pressure of from 0.1 to 2 bar to obtain a stream II which comprises formaldehyde and a stream III which comprises predominantly trioxane and additionally water and formaldehyde, b) mixing the stream III with a recycle stream VII which comprises predominantly trioxane and additionally water and formaldehyde to obtain a stream IIIa which comprises predominantly trioxane and additionally water and formaldehyde, c) distilling the stream IIIa, if appropriate after removing low boilers from the stream III or IIIa in a further distillation stage, in a second distillation stage at a pressure of from 0.2 to 10 bar, the pressure in the second distillation stage being at least 0.1 bar higher than the pressure in the first distillation stage, to obtain a stream IV of trioxane and a stream V which comprises predominantly trioxane and additionally water and formaldehyde, d) distilling the stream V in a third distillation stage at a pressure of from 0.1 to 4 bar to obtain a stream VI which comprises predominantly water and additionally formaldehyde, and the recycle stream VII which comprises predominantly trioxane and additionally water and formaldehyde, e) if appropriate, distilling the stream VI in a fourth distillation stage to obtain a stream VIII which comprises predominantly water, and a stream IX which comprises predominantly formaldehyde.
摘要翻译：一种从甲醛，三恶烷和水的混合物I中除去三恶烷的方法，通过以下步骤a）在0.1至2巴的压力下在第一蒸馏阶段中蒸馏混合物I以获得包含甲醛和流III的流II 主要包含三恶烷，另外还含有水和甲醛，b）将流III与主要包含三恶烷，另外含有水和甲醛的再循环流VII混合，得到主要含有三恶烷，另外含有水和甲醛的流IIIa，c）蒸馏流IIIa 如果适当，则在进一步蒸馏阶段从流III或IIIa除去低锅炉后，在0.2至10巴的压力的第二蒸馏阶段中，第二蒸馏阶段中的压力比压力高至少0.1巴在第一蒸馏阶段，获得三恶烷的流IV和主要包含三恶烷并另外包含的流V 和d）在0.1至4巴的压力下在第三蒸馏阶段中蒸馏物流V以获得主要包含水和另外甲醛的物流VI，以及主要包含三恶烷和另外的水的再循环流VII，以及甲醛，e）如果合适，在第四蒸馏阶段中蒸馏物流VI以获得主要包含水的物流VIII和主要包含甲醛的物流IX。

10. 发明申请

US20070106096A1 Separation of liquid mixtures in a film evaporator 失效
标题翻译：在薄膜蒸发器中分离液体混合物
公开(公告)号：US20070106096A1
公开(公告)日：2007-05-10
申请号：US10547733
申请日：2004-03-03
申请人： Eckhard Stroefer , Neven Lang , Ute Lichtfers , Ulrich Steinbrenner , Hans Hasse
发明人： Eckhard Stroefer , Neven Lang , Ute Lichtfers , Ulrich Steinbrenner , Hans Hasse
IPC分类号： C07C41/03
CPC分类号： B01D1/225 , B01D1/305 , C08G2/08 , C08G2/24
摘要： A liquid mixture comprising at least one readily volatile and at least one sparingly volatile component is separated in a film evaporator by a process in which (i) a continuous stream of a liquid starting material mixture is provided, (ii) a liquid film is produced from the continuous stream and is brought into contact with a heat exchange surface of the Mm evaporator, (ii) the liquid film is partly evaporated, a gas stream enriched with the at least one readily volatile component and a liquid stream enriched with the at least one sparingly volatile component being obtained, wherein (iv) the heat exchange surface is coated with a catalytically active material which (v) catalyzes, in the liquid film, a chemical reaction in which at least one readily volatile component is formed.
摘要翻译：包含至少一种容易挥发的和至少一种微量挥发性组分的液体混合物在膜蒸发器中通过以下方法分离，其中（i）提供液体原料混合物的连续流，（ii）产生液膜从所述连续流中并与所述膜蒸发器的热交换表面接触，（ii）所述液膜部分蒸发，富含所述至少一种易挥发组分的气流和至少富含至少获得一种微量挥发性组分，其中（iv）热交换表面涂覆有催化活性材料，该催化活性材料（v）在液膜中催化形成至少一种容易挥发的组分的化学反应。

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