PROCESS FOR MAKING SOLID METHYLGLYCINE DIACETATE (MGDA) ALKALI METAL SALT, AND SOLID PARTICLES

PROCESS FOR MAKING SOLID METHYLGLYCINE DIACETATE (MGDA) ALKALI METAL SALT, AND SOLID PARTICLES

A process for making solid methylglycine diacetate (MGDA) alkali metal salt (a) includes:(A) providing a 40 to 60% by weight aqueous solution of the MGDA salt having a temperature in the range of from 50 to 90° C.,(B) adding solid salt (a),(C) heating the resultant slurry until the salt (a) added in...

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Hauptverfasser: Jaekel, Frank, Mueller, Michael Klemens
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Sprache:eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Mueller, Michael Klemens
description A process for making solid methylglycine diacetate (MGDA) alkali metal salt (a) includes:(A) providing a 40 to 60% by weight aqueous solution of the MGDA salt having a temperature in the range of from 50 to 90° C.,(B) adding solid salt (a),(C) heating the resultant slurry until the salt (a) added in step (B) has dissolved at least partially,(D)allowing salt (a) to crystallize, and(E) removing crystalline salt (a) from the mother liquor.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title PROCESS FOR MAKING SOLID METHYLGLYCINE DIACETATE (MGDA) ALKALI METAL SALT, AND SOLID PARTICLES
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