CATALYST SYSTEM FOR PREPARING TEREPHTHALIC ACID

A catalyst system for preparing terephthalic acid including a first complexation of a manganese salt and a first multidentate ligand; and a second complexation of a cobalt salt and a second multidentate ligand, wherein the first multidentate ligand is a tridentate ligand, tetradentate ligand, pentad...

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Bibliographische Detailangaben
Hauptverfasser:	HAIDER, Sajjad, ADIL, Syed Farooq, KHAN, Mujeeb, HASHMI, Syed Azhar, SIDDIQUI, Mohammed Rafiq Hussain, AL-MASRY, Waheed A, MAHMOOD, Asif
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A catalyst system for preparing terephthalic acid including a first complexation of a manganese salt and a first multidentate ligand; and a second complexation of a cobalt salt and a second multidentate ligand, wherein the first multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand, and wherein the second multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand. Système de catalyseur pour préparation d'acide téréphtalique comprenant une première complexation d'un sel de manganèse avec un premier ligand multidentate ; et une seconde complexation d'un sel de cobalt avec un second ligand multidentate, le premier ligand multidentate étant un ligand tridentate, un ligand tétradentate, un ligand pentadentate ou un ligand hexadentate, et le second ligand multidentate étant un ligand tridentate, un ligand tétradentate, un ligand pentadentate ou un ligand hexadentate.