公开(公告)号：CA2762507C

公开(公告)日：2018-08-21

申请号：CA2762507

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C229/16 ,  C07C227/42

Abstract: A process is proposed for the preparation of a powder comprising one or more derivatives of glycine-N,N-diacetic acid and/or one or more derivatives of glutamine-N,N-diacetic acid with a degree of crystallinity of a 30%, starting from an aqueous solution comprising the one or more derivatives of glycine-N,N-diacetic acid and/or the one or more derivatives of glutamine-N,N-diacetic acid in a concentration range from 20 to 60% by weight, based on the total weight of the aqueous solution, where the aqueous solution is concentrated in a first process step in an evaporator with rotating internals, which are arranged at a distance relative to the inside wall of the evaporator of 5 1% of the diameter of the evaporator, to give a crystal slurry with a solids concentration in the range from 60 to 85% by weight, based on the total weight of the crystal slurry, and where in a second process step the crystal slurry is left to ripen in a paste bunker and then in a thin-film contact dryer, and where the residence time in the paste bunker and in the thin-film contact dryer is in total a 15 minutes.

公开(公告)号：BRPI1010933A2

公开(公告)日：2016-04-05

申请号：BRPI1010933

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  COX GERHARD ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

公开(公告)号：DK2432759T3

公开(公告)日：2013-03-04

申请号：DK10723028

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

公开(公告)号：SG175760A1

公开(公告)日：2011-12-29

申请号：SG2011077179

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

Abstract: AbstractPROCESS FOR PREPARING A POWDER COMPRISING ONE OR MORE DERIVATIVES OF GLYCINE N,N-DIACETIC ACID AND/OR ONE OR MORE DERIVATIVES OF GLUTAMINE-N,N-DIACETIC ACID AND METHYLGLYCINE-N,N-DIACETIC ACID TRISODIUM SALT POWDER5 A process is proposed for the preparation of a powder comprising one or more derivatives of glycine-N,N-diacetic acid and/or one or more derivatives of glutamine N,N-diacetic acid with a degree of crystallinity of..? 30%,starting from an aqueous solution comprising the one or more derivatives of glycine N,N-diacetic acid and/or the one or more derivatives of glutamine-N,N-diacetic acid in a10 concentration range from 20 to 60% by weight, based on the total weight of the aqueous solution, wherethe aqueous solution is concentrated in a first process step in an evaporator with rotating internals, which are arranged at a distance relative to the inside wall of the evaporator of 5 1% of the diameter of the evaporator, to give a crystal slurry with a15 solids concentration in the range from 60 to 85% by weight, based on the total weight of the crystal slurry, and wherein a second process step the crystal slurry is left to ripen in a paste bunker and then in a thin-film contact dryer, and where the residence time in the paste bunker and in the thin-film contact dryer is in total 15 minutes.(Figure 5)

公开(公告)号：ES2396957T3

公开(公告)日：2013-03-01

申请号：ES10723028

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

Abstract: Procedimiento para la obtención de un polvo que contiene uno o varios derivados de ácido glicin-N,N-diacéticoy/o uno o varios derivados de ácido glutamin-N,N-diacético con un grado de cristalinidad de >= 30 %, partiendo deuna disolución acuosa que contiene uno o varios derivados de ácido glicin-N,N-diacético y/o uno o varios derivadosde ácido glutamin-N,N-diacético, en un intervalo de concentración de un 20 a un 60 % en peso, referido al peso totalde la disolución acuosa, concentrándose la disolución acuosa en un primer paso de procedimiento en un evaporadorcon elementos de inserción rotativos, que están dispuestos a una distancia de la pared interna del evaporador de = 15 minutos.

公开(公告)号：CA2762507A1

公开(公告)日：2010-11-25

申请号：CA2762507

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

Abstract: The invention relates to a process for preparing a powder comprising one or more derivatives of glycine-N,N-diacetic acid and/or one or more derivatives of glutamine-N,N-diacetic acid having a degree of crystallinity of = 30%, proceeding from an aqueous solution comprising the one or more derivatives of glycine-N,N-diacetic acid and/or the one or more derivatives of glutamine-N,N-diacetic acid, in a concentration range from 20 to 60% by weight, based on the total weight of the aqueous solution, wherein the aqueous solution, in a first process step, is concentrated in an evaporator with rotating internals which are arranged at a distance from the inner wall of the evaporator of

公开(公告)号：PL2432759T3

公开(公告)日：2013-05-31

申请号：PL10723028

申请日：2010-05-19

Applicant: BASF SE

Inventor： MRZENA FRANK ,  KINDER HANS-JUERGEN ,  SCHOENHERR MICHAEL ,  COX GERHARD ,  SCHMIDT THOMAS ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

公开(公告)号：MX2011011599A

公开(公告)日：2011-11-18

申请号：MX2011011599

申请日：2010-05-19

Applicant: BASF SE

Inventor： SCHMIDT THOMAS ,  COX GERHARD ,  SCHOENHERR MICHAEL ,  MRZENA FRANK ,  KINDER HANS-JUERGEN ,  HUETT VOLKER

IPC: C07C227/42 ,  C07C229/24

Abstract: La invención se refiere a un procedimiento para preparar un polvo que comprende uno o más derivados de ácido glicino-N,N-diacético y/o uno o más derivados de ácido glutamino-N,N-diacético que tiene un grado de cristalinidad de = 30%, que procede de una solución acuosa que comprende los uno o más derivados de ácido glicino-N,N-diacético y/o los uno o más derivados de ácido glutamino-N,N-diacético, en un intervalo de concentración que varía de 20 a 60% en peso, con base en el peso total de la solución acuosa, en donde la solución acuosa, en un primer paso de procedimiento, es concentrada en un evaporador con elementos internos giratorios que están dispuestos a una distancia de la pared interna del evaporador de