C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 67/03 (2006.01) A01N 37/00 (2006.01) C05D 9/00 (2006.01) C11C 3/10 (2006.01) C11D 3/20 (2006.01) C01F 7/06 (2006.01) C07C 69/24 (2006.01) C07C 69/52 (2006.01)
Patent
CA 2650755
The invention relates to a method for transesterification of at least one component comprising at least one ester group with at least one component comprising at least one hydroxyl group, wherein the red mud produced in the Bayer process used for producing aluminium is added to the method as a reaction-promoting component. The invention also relates to the use of carboxylic acid salts produced during the transesterification method as plant treating agents and as detergents in cleaning and washing agents. The invention also relates to the use of dealkalized red mud obtained by means of the method according to the invention as the iron-contributing component of an iron fertilizer which can be used in particular in agriculture and to which limestone can also be added.
L'invention concerne un procédé de transestérification d'au moins un composant comprenant au moins un groupe ester avec au moins un composant comprenant au moins un groupe hydroxy, en ajoutant au procédé une boue rouge selon le procédé Bayer utilisé pour la production d'aluminium, comme composant favorisant la réaction. L'invention concerne en outre les utilisations de sels d'acide carboxylique produits lors du procédé de transestérification comme agent de traitement des plantes et comme détergents dans les produits détergents et lessives. En outre, l'invention concerne l'utilisation de boue rouge désalcalinisée obtenue par le procédé selon l'invention comme composant d'apport de fer d'un engrais à base de fer utilisable principalement en agriculture, auquel on peut en outre mélanger du calcaire.
Krause Eberhard
Roehm Valentin
Krause-Roehm-Systeme Ag
Mbm Intellectual Property Law Llp
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