专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2014094270A1 SEPARATION METHOD FOR DINITROTOLUENE AND MIXED ACID IN TOLUENE TO DINITROTOLUENE PROCESS 审中-公开
标题翻译：硝酸纤维素和混合酸在玻璃纤维中的分离方法
公开(公告)号：WO2014094270A1
公开(公告)日：2014-06-26
申请号：PCT/CN2012/086999
申请日：2012-12-20
申请人： BASF SE , SHANGHAI BASF POLYURETHANE COMPANY LTD.
发明人： DAI, Yuanshen , LI, Dapeng , JIA, Peishi , CAI, Zhan , NETO, Samuel
IPC分类号： C07C205/06 , C07C201/08
CPC分类号： C07C201/08 , B01D17/0217 , C07C201/16 , C07C205/06
摘要： Proposed is a separation method in a toluene to dinitrotoluene process, wherein said method with a first process step comprising feeding a toluene comprising first stream (1) and a nitric acid comprising second stream (2) into a first reactor (R1), react- ing of the toluene comprising first stream (1) and the nitric acid comprising second stream (2) within the first reactor (R1) to a first reaction mixture (3), said first reaction mixture (3) comprising a first liquid/liquid mixed phase of an acid phase and an organic phase comprising mononitrotoluene, feeding the first reaction mixture (3) into a first separation device (S1), separating the first reaction mixture (3) within the first separa- tion device (S1) into a first forward stream (4) having a flow direction to a second process step and a first backward stream (5) having a flow direction back to the first reactor (R1), said method having a second process step comprising feeding the first forward stream (4) into a second reactor (R2), feeding a nitric acid comprising third stream (6) and a sulfuric acid comprising fourth stream (7) into the second reactor (R2), reacting of the first forward stream (4), the nitric acid comprising third stream (6) and the sulfuric acid comprising fourth stream (7) within the second reactor (R2) to a second reaction mix- ture (8), said second reaction mixture (8) comprising a second liquid/liquid mixed acid phase and an organic phase comprising mononitrotoluene and dinitrotoluene, feeding the second reaction mixture (8) into a second separation device (S2), separating the second reaction mixture (8) within the second separation device (S2) into a second forward stream (9) having a flow direction to a process output and a second backward stream (10) having a flow direction back to the first reactor (R1), wherein fine separating of at least one of the streams (4, 5, 9,10) after the first separa- tion step (S1) and/or the second separation step (S2) in a coalescer is carried out.
摘要翻译：提出的是在甲苯对二硝基甲苯方法中的分离方法，其中所述方法用第一方法步骤包括将包含第一物流（1）和包含第二物流（2）的硝酸的甲苯进料到第一反应器（R1）中，将包含第一物流（1）的甲苯和在第一反应器（R1）内的包含第二物流（2）的硝酸）加入到第一反应混合物（3）中，所述第一反应混合物（3）包含第一液/液混合物酸相的有机相和包含单硝基甲苯的有机相，将第一反应混合物（3）进料到第一分离装置（S1）中，将第一分离装置（S1）内的第一反应混合物（3）分离成第一分离装置具有朝向第二处理步骤的流动方向的前向流（4）和具有返回到第一反应器（R1）的流动方向的第一后向流（5），所述方法具有第二处理步骤，包括将第一前进流）进入第二反应器（将含有第三料流（6）的硝酸和包含第四料流（7）的硫酸进料到第二反应器（R2）中，使第一正向料流（4），包含第三料流（6）的硝酸反应，所述第二反应混合物（8）包含第二液/液混合酸相和包含单硝基甲苯的有机相，所述第二反应混合物（8）包含第二反应混合物（8）和二硝基甲苯，将第二反应混合物（8）进料到第二分离装置（S2）中，将第二分离装置（S2）内的第二反应混合物（8）分离成具有流动方向的第二正向流（9）过程输出和具有返回到第一反应器（R1）的流动方向的第二反向流（10），其中在第一分离步骤之后至少一个流（4,5和9,10）的精细分离（ S1）和/或第二分离步骤（S2）。

2. 发明专利

SA515360559B1 طريقة فصل لداي نيترو تولوين وحمض مختلط في عملية تولوين إلى داي نيترو تولوين 未知
公开(公告)号：SA515360559B1
公开(公告)日：2016-09-05
申请号：SA515360559
申请日：2015-06-10
申请人： BASF SE , SHANGHAI BASF POLYURETHANE COMPANY LTD
发明人： JIA PEI SHI , DAI YUANSHEN , CAI ZHAN , LI DA PENG , NETO SAMUEL
摘要： يتعلقالاختراعالحاليبتقديمطريقةفصلفيعمليةتولوين‏toluene ‎‏إلىداينيتروتولوين‏dinitrotoluene ‎،حيث‎‎الطريقةالمذكورةبهاخطوةمعالجةأولىتتضمنتغذيةتيارأوليتضمن‏تولوين (1) وتيارثانييتضمنحمضنيتريك‏nitric acid‏ (2) فيمفاعل‏reactor‏أول (‏R1‎‏)،‏تفاعلالتيارالأولالمحتويعلىتولوين (1) والتيارالثانيالمحتويعلىحمضنيتريك (2) داخل‏المفاعلالأول (‏R1‎‏) إلىخليطتفاعلأول (3)،يشتملخليطالتفاعلالأولالمذكور (3) على‏طورمختلطسائل/سائلأولمنطورحمض‏acid phase‏وطورعضوي‏organic phase‏‏يتضمنمونونيتروتولوين‏mononitrotoluene،تغذيةخليطالتفاعلالأول (3) إلىوسيلة‏فصل‏separation device‏أولى (‏S1‎‏)،فصلخليطالتفاعلالأول (3) داخلوسيلةالفصل‏الأولى (‏S1‎‏) إلىتيارأماميأول (4) باتجاهتدفقإلىخطوةمعالجةثانيةوتيارعائدأول (5) ‏باتجاهتدفقعائدإلىالمفاعلالأول (‏R1‎‏)،‏‎‎الطريقةالمذكورةتشملخطوةمعالجةثانيةتتضمن‏تغذيةالتيارالأماميالأول (4) إلىمفاعلثاني (‏R2‎‏)،تغذيةتيارثالثيتضمنحمضنيتريك‏‏(6) وتياررابعيتضمنحمضكبريتيك‏s

3. 发明授权

EP2935200B1 SEPARATION METHOD FOR DINITROTOLUENE AND MIXED ACID IN A TOLUENE TO DINITROTOLUENE PROCESS 有权
标题翻译：分离及二硝基甲苯和混合酸的甲苯到二硝基甲苯过程
公开(公告)号：EP2935200B1
公开(公告)日：2016-08-24
申请号：EP13802958.2
申请日：2013-12-10
申请人： BASF SE , Shanghai Basf Polyurethane Company Ltd.
发明人： DAI, Yuanshen , LI, Da Peng , JIA, Pei Shi , CAI, Zhan , NETO, Samuel
IPC分类号： C07C201/16 , C07C201/08
CPC分类号： C07C201/08 , B01D17/0217 , C07C201/16 , C07C205/06

4. 发明公开

EP2935200A1 SEPARATION METHOD FOR DINITROTOLUENE AND MIXED ACID IN A TOLUENE TO DINITROTOLUENE PROCESS 有权
标题翻译：分离及二硝基甲苯和混合酸的甲苯到二硝基甲苯过程
公开(公告)号：EP2935200A1
公开(公告)日：2015-10-28
申请号：EP13802958.2
申请日：2013-12-10
申请人： BASF SE , Shanghai Basf Polyurethane Company Ltd.
发明人： DAI, Yuanshen , LI, Da Peng , JIA, Pei Shi , CAI, Zhan , NETO, Samuel
IPC分类号： C07C201/08
CPC分类号： C07C201/08 , B01D17/0217 , C07C201/16 , C07C205/06
摘要： Proposed is a separation method in a toluene to dinitrotoluene process, wherein said method with a first process step comprising feeding a toluene comprising first stream (1) and a nitric acid comprising second stream (2) into a first reactor (R1), reacting of the toluene comprising first stream (1) and the nitric acid comprising second stream (2) within the first reactor (R1) to a first reaction mixture (3), said first reaction mixture (3) comprising a first liquid/liquid mixed phase of an acid phase and an organic phase comprising mononitrotoluene, feeding the first reaction mixture (3) into a first separation device (S1), separating the first reaction mixture (3) within the first separation device (S1) into a first forward stream (4) having a flow direction to a second process step and a first backward stream (5) having a flow direction back to the first reactor (R1), said method having a second process step comprising feeding the first forward stream (4) into a second reactor (R2), feeding a nitric acid comprising third stream (6) and a sulfuric acid comprising fourth stream (7) into the second reactor (R2), reacting of the first forward stream (4), the nitric acid comprising third stream (6) and the sulfuric acid comprising fourth stream (7) within the second reactor (R2) to a second reaction mixture (8), said second reaction mixture (8) comprising a second liquid/liquid mixed acid phase and an organic phase comprising mononitrotoluene and dinitrotoluene, feeding the second reaction mixture (8) into a second separation device (S2), separating the second reaction mixture (8) within the second separation device (S2) into a second forward stream (9) having a flow direction to a process output and a second backward stream (10) having a flow direction back to the first reactor (R1), wherein fine separating of at least one of the streams (4, 5, 9,10) after the first separation step (S1) and/or the second separation step (S2) in a coalescer is carried out.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式