TWO-STAGE METHOD FOR MAKING BROMIDES

A loop reactor is disclosed for making bromine containing compounds, such as calcium bromide, sodium bromide and the like, which can be prepared in high purity and more quickly with less waste by controlling the feed rate of bromine and/or the feed rate of reducing agent by way of at least one of a...

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Bibliographische Detailangaben
Hauptverfasser:	GOODWIN, NATE, RAY, THOMAS G, BARTLEY, DAVID W, BROADHURST, HUGH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A loop reactor is disclosed for making bromine containing compounds, such as calcium bromide, sodium bromide and the like, which can be prepared in high purity and more quickly with less waste by controlling the feed rate of bromine and/or the feed rate of reducing agent by way of at least one of a pH cascade control system and an oxidation/reduction (ORP) cascade control system. Il est décrit un réacteur en boucle servant à produire des composés de grande pureté qui contiennent du brome, comme du bromure de calcium, du bromure de sodium et des composés semblables, en moins de temps et en produisant moins de déchets, lesquels résultats sont obtenus en contrôlant le débit dalimentation en brome et/ou le débit dalimentation de lagent réducteur par lintermédiaire dau moins un système de commande en cascade du pH et dun système de commande en cascade du potentiel doxydation-réduction (ORP).