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1. WO2013007451 - METHOD FOR PRODUCING AN AQUEOUS SOLUTION OF SALTS

Publication Number WO/2013/007451
Publication Date 17.01.2013
International Application No. PCT/EP2012/060616
International Filing Date 05.06.2012
Chapter 2 Demand Filed 08.02.2013
IPC
C07C 51/41 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
51Preparation of carboxylic acids or their salts, halides, or anhydrides
41Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
C07C 55/02 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
55Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
02Dicarboxylic acids
C07C 55/14 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
55Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
02Dicarboxylic acids
14Adipic acid
B01J 8/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
8Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
CPC
B01J 2208/00592
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2208Processes carried out in the presence of solid particles; Reactors therefor
00008Controlling the process
00592Controlling the pH
B01J 2208/00628
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2208Processes carried out in the presence of solid particles; Reactors therefor
00008Controlling the process
00628Controlling the composition of the reactive mixture
B01J 2219/0004
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2219Chemical, physical or physico-chemical processes in general; Their relevant apparatus
00002Chemical plants
00027Process aspects
0004Processes in series
B01J 8/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
8Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
B01J 8/20
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
8Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
18with fluidised particles
20with liquid as a fluidising medium
C07C 209/68
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
209Preparation of compounds containing amino groups bound to a carbon skeleton
68from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
Applicants
  • UHDE INVENTA-FISCHER GMBH [DE]/[DE] (AllExceptUS)
  • SIEBECKE, Ekkehard [DE]/[DE] (UsOnly)
  • BÄR, Mirko [DE]/[DE] (UsOnly)
  • RAUE, Eberhard [DE]/[DE] (UsOnly)
Inventors
  • SIEBECKE, Ekkehard
  • BÄR, Mirko
  • RAUE, Eberhard
Agents
  • REITZLE, H.
Priority Data
11005653.811.07.2011EP
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUR HERSTELLUNG EINER WÄSSRIGEN LÖSUNG VON SALZEN
(EN) METHOD FOR PRODUCING AN AQUEOUS SOLUTION OF SALTS
(FR) PROCÉDÉ DE PRODUCTION D'UNE SOLUTION AQUEUSE DE SELS
Abstract
(DE)
Die Erfindung betrifft ein Verfahren zur kontinuierlichen Herstellung von Lösung von Salzen, insbesondere zur Herstellung von Hexamethylendiaminadipat und eine Vorrichtung zur Durchführung eines derartigen Verfahrens. Gemäß der Erfindung wird vorgeschlagen, in einem ersten Schritt eine unterstöchiometrische Menge von Alkandiamin im Verhältnis zur Alkandicarbonsäure im Wasser umzusetzen und in einem nachfolgenden zweiten Schritt eine Nachdosierung mit Alkandiamin durchzuführen, wobei die Einstellung der stöchiometrischen Verhältnisse über eine pH-Wertmessung bei konstanter Temperatur erfolgt.
(EN)
The invention relates to a method for continuously producing a solution of salts, in particular for producing hexamethylenediamine adipate, and to a device for carrying out such a method. According to the invention, in a first step a substoichiometric quantity of alkane diamine in relation to the alkane dicarboxylic acid is reacted in water, and in a subsequent second step an additional metered amount of alkane diamine is added, wherein the stoichiometric relationships are adjusted by means of a pH value measurement at a constant temperature.
(FR)
L'invention concerne un procédé de production en continu d'une solution de sels, en particulier de production d'adipate d'hexaméthylènediamine, et un dispositif permettant la mise en œuvre dudit procédé. Le procédé selon l'invention consiste lors d'une première étape à faire réagir dans de l'eau une quantité d'alcane diamine sous-stœchiométrique par rapport à l'acide alcane dicarboxylique et à effectuer lors d'une deuxième étape un dosage ultérieur avec l'alcane diamine. L'ajustement du rapport stœchiométrique est effectué au moyen d'une mesure du pH à température constante.
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