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1. 发明申请

US20090043135A1 PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS FOR THE SEPARATION BY DISTILLATION OF DINITROTOLUENE FROM PROCESS WASTEWATER FROM THE PREPARATION OF DINITROTOLUENE BY NITRATION OF TOLUENE BY MEANS OF NITRATING ACID 失效
标题翻译：通过从通过硝酸酯的硝化制备硝酸酯由硝酸酯通过硝酸的硝化来分离来自通过从过程废水中分离出来的方法分离的方法分离的过程的方法
公开(公告)号：US20090043135A1
公开(公告)日：2009-02-12
申请号：US12280176
申请日：2007-03-06
申请人： Ulrich Penzel , Rudiger Fritz , Holger Allardt , Johannes Adam , Anne-Kathrin Merten
发明人： Ulrich Penzel , Rudiger Fritz , Holger Allardt , Johannes Adam , Anne-Kathrin Merten
IPC分类号： C07C201/16
CPC分类号： B01D3/38 , C07C201/16 , C07C205/06
摘要： A process is proposed for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating toluene with nitrating acid, which comprises basifying the process wastewater to a pH of >8.5, feeding it to a stripping column in the upper region thereof and stripping it with steam in countercurrent to obtain a vapor stream laden with dinitrotoluene and a bottom stream depleted in dinitrotoluene compared to the process wastewater used.
摘要翻译：提出了一种从硝化硝酸硝化甲苯制备二硝基甲苯中的二硝基甲苯蒸馏除去二硝基甲苯的方法，其中包括将工艺废水碱化至pH值> 8.5，将其送入其上部区域的汽提塔并将其汽提与所用的工艺废水相比，蒸汽以逆流方式获得装载有二硝基甲苯的蒸气流和二硝基甲苯消耗的底部流。

2. 发明授权

US07928270B2 Process for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating of toluene with nitrating acid 失效
标题翻译：通过用硝酸将硝酸甲苯硝化制备二硝基甲苯从工艺废水中蒸馏除去二硝基甲苯的方法
公开(公告)号：US07928270B2
公开(公告)日：2011-04-19
申请号：US12280176
申请日：2007-03-06
申请人： Ulrich Penzel , Ruediger Fritz , Holger Allardt , Johannes Adam , Anne-Kathrin Merten
发明人： Ulrich Penzel , Ruediger Fritz , Holger Allardt , Johannes Adam , Anne-Kathrin Merten
IPC分类号： C07C205/00
CPC分类号： B01D3/38 , C07C201/16 , C07C205/06
摘要： A process is proposed for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating toluene with nitrating acid, which comprises basifying the process wastewater to a pH of >8.5, feeding it to a stripping column in the upper region thereof and stripping it with steam in countercurrent to obtain a vapor stream laden with dinitrotoluene and a bottom stream depleted in dinitrotoluene compared to the process wastewater used.
摘要翻译：提出了一种从硝化硝酸硝化甲苯制备二硝基甲苯中的二硝基甲苯蒸馏除去二硝基甲苯的方法，其中包括将工艺废水碱化至pH值> 8.5，将其送入其上部区域的汽提塔并将其汽提与所用的工艺废水相比，蒸汽以逆流方式获得装载有二硝基甲苯的蒸气流和二硝基甲苯消耗的底部流。

3. 发明申请

US20120248038A1 ACID TOLUENE EXTRACTION OF DNT WASTEWATERS 审中-公开
标题翻译：酸性硝酸盐萃取DNT废水
公开(公告)号：US20120248038A1
公开(公告)日：2012-10-04
申请号：US13516280
申请日：2010-12-13
申请人： Ruediger Fritz , Renate Hempel , Baerbel Guschel , Helmut Richter , Anne-Kathrin Merten , Michael Zoellinger , Elvira Flegel , Holger Allardt , Reiner Reetz
发明人： Ruediger Fritz , Renate Hempel , Baerbel Guschel , Helmut Richter , Anne-Kathrin Merten , Michael Zoellinger , Elvira Flegel , Holger Allardt , Reiner Reetz
IPC分类号： C02F1/26 , C02F1/04 , C02F1/66
CPC分类号： C07C201/16 , C02F1/26 , C02F1/66 , C02F2103/36 , C07C205/06 , C07C205/12
摘要： A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics with a pH of 7.5 to 13 or a mixture W with a pH of 6 to 10 of alkaline process wastewater and the aqueous distillate of the sulfuric acid concentration, comprising the steps of a) acidifying the alkaline process wastewater or the mixture W by adding concentrated sulfuric acid which originates from the workup of the aqueous, sulfuric acid-containing phase obtained in the nitration to a pH below 2, which forms a mixture A consisting of organic phase which separates out and acidic aqueous phase, and b) extracting the mixture A with an aromatic extractant.
摘要翻译：用于将碱性工艺废水从硝化芳香族化合物转化为pH为7.5至13的单，二和三硝基溴化物或碱性工艺废水的pH为6至10的混合物W和碱性工艺废水的含水馏出物硫酸浓度，包括以下步骤：a）通过将从硝化中获得的含水硫酸相的后处理产生的浓硫酸加入到低于2的pH下，使碱性工艺废水或混合物W酸化，形成由分离出酸性水相的有机相组成的混合物A，和b）用芳族萃取剂萃取混合物A.

4. 发明授权

US08529771B2 Acidic sludge adsorption of DNT wastewaters 失效
标题翻译：酸性污泥吸附DNT废水
公开(公告)号：US08529771B2
公开(公告)日：2013-09-10
申请号：US13514648
申请日：2010-12-13
申请人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Anne-Kathrin Merten , Doris Zschieschang , Ina Homann , Annett Gersdorf , Holger Allardt , Reiner Reetz , Elvira Flegel
发明人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Anne-Kathrin Merten , Doris Zschieschang , Ina Homann , Annett Gersdorf , Holger Allardt , Reiner Reetz , Elvira Flegel
IPC分类号： C02F1/20 , C02F3/00 , C02F9/00 , C02F1/68
CPC分类号： C07C201/16 , C07C205/06 , C07C205/12
摘要： A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics, said alkaline process wastewater having a pH of 7.5 to 13, comprising the steps of a) acidifying the alkaline process wastewater by adding concentrated sulfuric acid which originates from the workup of the aqueous, sulfuric acid-containing phase obtained in the nitration to a pH below 5, which forms a mixture A consisting of organic phase which separates out and acidic aqueous phase, b) contacting the mixture A with fresh sewage sludge, and c) removing the sewage sludge.
摘要翻译：所述碱性工艺废水的pH为7.5至13，包括以下步骤：a）通过加入浓硫酸来酸化碱性工艺废水，所述方法是将芳香族化合物硝化为单，二和三硝基芳烃的碱性工艺废水酸，其来源于在硝化中获得的含水硫酸相的pH值低于5，其形成由分离出酸性水相的有机相组成的混合物A，b）将混合物A与新鲜的污水污泥，以及c）清除污水污泥。

5. 发明申请

US20120234773A1 ACIDIC SLUDGE ADSORPTION OF DNT WASTEWATERS 失效
标题翻译：酸性污水吸附DNT废水
公开(公告)号：US20120234773A1
公开(公告)日：2012-09-20
申请号：US13514648
申请日：2010-12-13
申请人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Anne-Kathrin Merten , Doris Zschieschang , Ina Homann , Annett Gersdorf , Holger Allardt , Reiner Reetz , Elvira Flegel
发明人： Ruediger Fritz , Renate Hempel , Michael Zoellinger , Anne-Kathrin Merten , Doris Zschieschang , Ina Homann , Annett Gersdorf , Holger Allardt , Reiner Reetz , Elvira Flegel
IPC分类号： C02F1/68 , C02F1/20
CPC分类号： C07C201/16 , C07C205/06 , C07C205/12
摘要： A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics, said alkaline process wastewater having a pH of 7.5 to 13, comprising the steps of a) acidifying the alkaline process wastewater by adding concentrated sulfuric acid which originates from the workup of the aqueous, sulfuric acid-containing phase obtained in the nitration to a pH below 5, which forms a mixture A consisting of organic phase which separates out and acidic aqueous phase, b) contacting the mixture A with fresh sewage sludge, and c) removing the sewage sludge.
摘要翻译：所述碱性工艺废水的pH为7.5至13，包括以下步骤：a）通过加入浓硫酸来酸化碱性工艺废水，所述方法是将芳香族化合物硝化为单，二和三硝基芳烃的碱性工艺废水酸，其来源于在硝化中获得的含水硫酸相的pH值低于5，其形成由分离出酸性水相的有机相组成的混合物A，b）将混合物A与新鲜的污水污泥，以及c）清除污水污泥。

6. 发明授权

US09505711B2 Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate 有权
标题翻译：纯化包含4,4'-亚甲基二苯基二异氰酸酯的混合物的方法
公开(公告)号：US09505711B2
公开(公告)日：2016-11-29
申请号：US13296665
申请日：2011-11-15
申请人： Michael Bock , Johannes Jacobs , Kai Thiele , Anne-Kathrin Merten
发明人： Michael Bock , Johannes Jacobs , Kai Thiele , Anne-Kathrin Merten
IPC分类号： C07C249/00 , C07C263/20
CPC分类号： C07C263/20 , C07C265/14
摘要： The invention relates to a method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate, which comprises purifying by distillation a mixture I comprising 4,4′-methylenediphenyl diisocyanate having a hydrolyzable chlorine content as specified in ASTM D4663-10 of greater than 100 ppm by means of a column K1, wherein the gaseous stream comprising the mixture I is brought into contact in the column K1 with at least one liquid compound A which has the same or higher boiling point than 4,4′-methylenediphenyl diisocyanate and which has a hydrolyzable chlorine content as specified in ASTM D4663-10 of a maximum of 100 ppm, and wherein the gaseous stream O obtained at the top of the column comprises 4,4′-methylenediphenyl diisocyanate has a hydrolyzable chlorine content as specified in ASTM D4663-10 of a maximum of 100 ppm.
摘要翻译：本发明涉及一种用于纯化包含4,4'-亚甲基二苯基二异氰酸酯的混合物的方法，其包括通过蒸馏纯化包含具有大于100的ASTM D4663-10中规定的可水解氯含量的4,4'-亚甲基二苯基二异氰酸酯的混合物I 通过柱K1，其中包含混合物I的气流在柱K1中与至少一种液体化合物A接触，该液体化合物A具有与4,4'-亚甲基二苯基二异氰酸酯相同或更高的沸点， ASTM D4663-10中规定的可水解氯含量最高为100ppm，其中在塔顶获得的气流O包含4,4'-亚甲基二苯基二异氰酸酯，其具有如ASTM D4663- 10最大为100 ppm。

7. 发明申请

US20120215029A1 PROCESS FOR PREPARING AROMATIC AMINES 有权
标题翻译：制备芳香胺的方法
公开(公告)号：US20120215029A1
公开(公告)日：2012-08-23
申请号：US13311371
申请日：2011-12-05
申请人： Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
发明人： Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
IPC分类号： C07C209/36 , B01J19/00
CPC分类号： C07C229/36 , B01J8/228 , B01J21/066 , B01J23/755 , B01J35/023 , B01J37/0036 , B01J2208/00132 , B01J2208/00752 , B01J2219/00202 , B01J2219/00231 , B01J2219/0024 , C07C209/34 , C07C209/36 , C07C211/58 , C07C211/51 , C07C211/46 , C07C211/47 , C07C211/27
摘要： A process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, forming a fluid, amine-comprising reaction mixture in a reactor, wherein chromatographic analysis of the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
摘要翻译：一种通过在催化剂存在下氢化硝基芳族化合物制备芳族胺的方法，在反应器中形成含流体的含胺反应混合物，其中进行反应混合物的色谱分析以测定硝基和亚硝基化合物的浓度反应混合物。

8. 发明申请

US20110224397A1 PROCESS FOR PREPARING POLYOLS USING BASE CATALYSIS 审中-公开
标题翻译：使用基础催化制备多元醇的方法
公开(公告)号：US20110224397A1
公开(公告)日：2011-09-15
申请号：US13042781
申请日：2011-03-08
申请人： Thomas OSTROWSKI , Anne-Kathrin Merten , Achim Löffler , Hermann Graf
发明人： Thomas OSTROWSKI , Anne-Kathrin Merten , Achim Löffler , Hermann Graf
IPC分类号： C08G18/48 , C07C41/26 , C07C43/03
CPC分类号： C07C41/03 , C08G18/4829 , C08G65/2609 , C08G65/2648 , C08G65/2696 , C07C43/11
摘要： The present invention relates to a process for preparing polyetherols in the presence of basic catalysts, wherein propylene oxide (PO) and/or ethylene oxide (EO) whose summated contents of aldehydes, expressed by the contents determined by gas chromatography or titrimetrically using the bisulfite method and calculated for propionaldehyde, do not exceed the value of 300 ppm and of allyl alcohol determined by gas chromatography do not exceed the value of 2500 ppm and of water determined by Karl-Fischer titration do not exceed the value of 1700 ppm and of acid, expressed by the contents determined by acid-base titration and calculated for acetic acid, do not exceed the value of 100 ppm and of carbon dioxide determined by KOH titration do not exceed the value of 500 ppm are used.
摘要翻译：本发明涉及一种在碱性催化剂存在下制备聚醚的方法，其中由醛的含量表示的环氧丙烷（PO）和/或环氧乙烷（EO）通过气相色谱法或滴定法使用亚硫酸氢盐方法并计算丙醛，不超过300ppm，由气相色谱法测定的烯丙醇不超过2500ppm，由卡尔费休滴定测定的水不超过1700ppm的酸和酸由酸碱滴定测定的含量表示，乙酸计算值不超过100ppm，通过KOH滴定测定的二氧化碳的值不超过500ppm。

9. 发明授权

US5965231A Gas mixtures for thermal insulation 失效
标题翻译：用于保温的气体混合物
公开(公告)号：US5965231A
公开(公告)日：1999-10-12
申请号：US44476
申请日：1998-03-19
申请人： Udo Rotermund , Anne-Kathrin Merten , Norbert Krollmann
发明人： Udo Rotermund , Anne-Kathrin Merten , Norbert Krollmann
IPC分类号： C08J9/12 , B32B1/06 , C09K3/00
CPC分类号： C08J9/127 , C08J2203/14 , Y10T428/231 , Y10T428/233 , Y10T428/249954
摘要： The present invention relates to thermal insulation gas mixtures comprising cyclopentane and argon for filling cavities.
摘要翻译：本发明涉及包含用于填充空腔的环戊烷和氩气的绝热气体混合物。

10. 发明授权

US08981155B2 Process for preparing aromatic amines 有权
标题翻译：制备芳香胺的方法
公开(公告)号：US08981155B2
公开(公告)日：2015-03-17
申请号：US13311371
申请日：2011-12-05
申请人： Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
发明人： Stefanie Haase , Dusko Kadijevic , Anne-Kathrin Merten , Michael Zoellinger , Andreas Raichle , Alexander Schocker , Sandra Mühlbeyer , Olaf Wiedenhoff , Joana Coelho Tsou
IPC分类号： C07C209/00 , C07C229/36 , C07C209/34 , C07C209/36 , B01J8/22 , B01J21/06 , B01J23/755 , B01J35/02 , B01J37/00
CPC分类号： C07C229/36 , B01J8/228 , B01J21/066 , B01J23/755 , B01J35/023 , B01J37/0036 , B01J2208/00132 , B01J2208/00752 , B01J2219/00202 , B01J2219/00231 , B01J2219/0024 , C07C209/34 , C07C209/36 , C07C211/58 , C07C211/51 , C07C211/46 , C07C211/47 , C07C211/27
摘要： A process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, forming a fluid, amine-comprising reaction mixture in a reactor, wherein chromatographic analysis of the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
摘要翻译：一种通过在催化剂存在下氢化硝基芳族化合物制备芳族胺的方法，在反应器中形成含流体的含胺反应混合物，其中进行反应混合物的色谱分析以测定硝基和亚硝基化合物的浓度反应混合物。

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