-
公开(公告)号：WO2004101437A2
公开(公告)日：2004-11-25
申请号：PCT/US2004013905
申请日：2004-05-06
Applicant: STALEY MFG CO A E
Inventor： BANIEL AVRAHAM M , JANSEN ROBERT P , VITNER ASHER , BAIADA ANTHONY
CPC classification number: C07C29/86 , B01D11/0446 , B01D11/0488 , B01D11/0492 , C02F1/26 , C07C31/205
Abstract: Disclosed herein are processes for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprises solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The weight ratio in the first phase of 1,3-propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant. The first phase can be removed from the separated second phase in order to recover the 1,3-propanediol.
Abstract translation: 本文公开了从含水原料流中回收1,3-丙二醇的方法。 本发明涉及将包含水，1,3-丙二醇和至少一种污染物的含水进料流与至少一种溶剂萃取剂接触以形成混合物。 将混合物分离成第一相和第二相。 第二相包含来自含水进料流的大部分水。 第一阶段包括溶剂萃取剂和存在于含水进料流中的至少一些1,3-丙二醇。 在水性进料流与溶剂接触之前，1,3-丙二醇与任何一种污染物的第一相中的重量比大于1,3-丙二醇与含水进料流中相同污染物的重量比 萃取剂。 为了回收1,3-丙二醇，可以将第一相从分离的第二相中除去。
-
公开(公告)号：EP1620362A4
公开(公告)日：2007-12-19
申请号：EP04751324
申请日：2004-05-06
Applicant: STALEY MFG CO A E
Inventor： BANIEL AVRAHAM M , JANSEN ROBERT P , VITNER ASHER , BAIADA ANTHONY
IPC: B01D11/00 , B01D11/04 , C02F1/00 , C02F1/26 , C02F1/44 , C07C29/86 , C07C31/18 , C12P7/04 , C12P7/14
CPC classification number: C07C29/86 , B01D11/0446 , B01D11/0488 , B01D11/0492 , C02F1/26 , C07C31/205
Abstract: Disclosed herein is a process for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprises solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The first phase is removed from the separated second phase and is contacted with at least one hydrophobic solvent to form a second mixture. The second mixture is separated into a third phase and a fourth phase. The third phase comprises the majority of both the solvent extractant and the hydrophobic solvent. The fourth phase comprises 1,3-propanediol and the majority of the water of the first phase. The weight ratio in the fourth phase of 1,3-propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant.
-
公开(公告)号：EP1470099A4
公开(公告)日：2006-04-12
申请号：EP02797276
申请日：2002-12-11
Applicant: STALEY MFG CO A E
Inventor： COCKREM MICHAEL CHARLES MILNER , KOVACS ISTVAN , MOHAMEDNUR IDRIS , HEIDEL DAVID , BANIEL AVRAHAM M
Abstract: A process is disclosed for purifying an aqueous feed stream (10) comtaining a product organic acid and a strong contaminant such as another organic acid. The molar concentration of the organic acid in the feed stream (10) is at least 20 times greater than that of the contaminant. The feed stream (10) is contacted with an immiscible basic extractant (18) that has a greater affinity for the contaminant and which complexes with the contaminant and some of the organic acid. The complexed extractant is separated from the aqueous stream (10), so as to produce a first effluent stream (20) comprising product organic acid. The complexed extractant is contacted with a displacing acid, for which the extractant has a greater affinity than contaminant or extractant. As a result, a second effluent stream (28) comprising organic acid and a third effluent stream (30) are produced.
-
公开(公告)号：ZA200509090B
公开(公告)日：2007-03-28
申请号：ZA200509090
申请日：2005-11-10
Applicant: STALEY MFG CO A E
Inventor： BANIEL AVRAHAM M , JANSEN ROBERT P , ASHER VITNER , ANTHONY BAIADA
IPC: B01D20090101 , B01D11/04 , C02F20090101 , C02F1/26 , C07C20090101 , C07C29/86 , C12P20090101
Abstract: Disclosed herein is a process for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprises solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The first phase is removed from the separated second phase and is contacted with at least one hydrophobic solvent to form a second mixture. The second mixture is separated into a third phase and a fourth phase. The third phase comprises the majority of both the solvent extractant and the hydrophobic solvent. The fourth phase comprises 1,3-propanediol and the majority of the water of the first phase. The weight ratio in the fourth phase of 1,3-propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant.
-
公开(公告)号：AU2004238804A1
公开(公告)日：2004-11-25
申请号：AU2004238804
申请日：2004-05-06
Applicant: STALEY MFG CO A E
Inventor： BAIADA ANTHONY , BANIEL AVRAHAM M , JANSEN ROBERT P , VITNER ASHER
Abstract: Disclosed herein is a process for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprises solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The first phase is removed from the separated second phase and is contacted with at least one hydrophobic solvent to form a second mixture. The second mixture is separated into a third phase and a fourth phase. The third phase comprises the majority of both the solvent extractant and the hydrophobic solvent. The fourth phase comprises 1,3-propanediol and the majority of the water of the first phase. The weight ratio in the fourth phase of 1,3-propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant.
-
Patent Agency Ranking
公开(公告)号：AU2002362143A1
公开(公告)日：2003-07-30
申请号：AU2002362143
申请日：2002-12-11
Applicant: STALEY MFG CO A E
Inventor： MOHAMEDNUR IDRIS , HEIDEL DAVID , BANIEL AVRAHAM M , COCKREM MICHAEL CHARLES MILNER , KOVACS ISTVAN
-
公开(公告)号：BR0215459A
公开(公告)日：2005-04-05
申请号：BR0215459
申请日：2002-12-11
Applicant: STALEY MFG CO A E
Inventor： COCKREM MICHAEL CHARLES MILNER , KOVACS ISTVAN , MOHAMEDNUR IDRIS , HEIDEL DAVID , BANIEL AVRAHAM M
-
公开(公告)号：CA2470978A1
公开(公告)日：2003-07-24
申请号：CA2470978
申请日：2002-12-11
Applicant: STALEY MFG CO A E
Inventor： HEIDEL DAVID , MOHAMEDNUR IDRIS , COCKREM MICHAEL CHARLES MILNER , KOVACS ISTVAN , BANIEL AVRAHAM M
Abstract: A process is disclosed for purifying an aqueous feed stream (10) comtaining a product organic acid and a strong contaminant such as another organic acid. The molar concentration of the organic acid in the feed stream (10) is at least 20 times greater than that of the contaminant. The feed stream (10) is contacted with an immiscible basic extractant (18) that has a greater affini ty for the contaminant and which complexes with the contaminant and some of the organic acid. The complexed extractant is separated from the aqueous stream (10), so as to produce a first effluent stream (20) comprising product organ ic acid. The complexed extractant is contacted with a displacing acid, for whic h the extractant has a greater affinity than contaminant or extractant. As a result, a second effluent stream (28) comprising organic acid and a third effluent stream (30) are produced.
-
公开(公告)号：CA2524452C
公开(公告)日：2012-02-07
申请号：CA2524452
申请日：2004-05-06
Applicant: STALEY MFG CO A E
Inventor： BANIEL AVRAHAM M , JANSEN ROBERT P , VITNER ASHER , BAIADA ANTHONY
IPC: B01D11/00 , B01D11/04 , C02F1/00 , C02F1/26 , C02F1/44 , C07C29/86 , C07C31/18 , C12P7/04 , C12P7/14
Abstract: Disclosed herein are processes for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous feed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprises solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The weight ratio in the first phase of 1,3-propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant. The first phase can be removed from the separated second phase in order to recover the 1,3-propanediol.
-
公开(公告)号：CA2524452A1
公开(公告)日：2004-11-25
申请号：CA2524452
申请日：2004-05-06
Applicant: STALEY MFG CO A E
Inventor： JANSEN ROBERT P , BAIADA ANTHONY , VITNER ASHER , BANIEL AVRAHAM M
IPC: B01D11/00 , B01D11/04 , C02F1/00 , C02F1/26 , C02F1/44 , C07C29/86 , C07C31/18 , C12P7/04 , C12P7/14
Abstract: Disclosed herein are processes for the recovery of 1,3-propanediol from an aqueous feed stream. The present invention involves contacting an aqueous fe ed stream that comprises water, 1,3-propanediol, and at least one contaminant with at least one solvent extractant to form a mixture. The mixture is separated into a first phase and a second phase. The second phase comprises a majority of the water from the aqueous feed stream. The first phase comprise s solvent extractant and at least some of the 1,3-propanediol that was present in the aqueous feed stream. The weight ratio in the first phase of 1,3- propanediol to any one contaminant present is greater than the weight ratio of 1,3-propanediol to the same contaminant in the aqueous feed stream prior to the aqueous feed stream being contacted with the solvent extractant. The fir st phase can be removed from the separated second phase in order to recover the 1,3-propanediol.
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.026 seconds)
