Process for producing ammonium bromide

The invention relates to chemical technology pertaining to mineral salts and can be used in the chemical industry. A process for producing ammonium bromide from a bromide-containing polycomponent hydromineral feedstock includes: two-stage oxidation of bromide ions using gaseous chlorine during acidi...

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Hauptverfasser: PIVOVARCHUK Aleksei Olegovich, BEZBORODOV Viktor Aleksandrovich, CHERTOVSKIKH Evgenii Olegovich
Format: Patent
Sprache:eng ; heb
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Beschreibung
Zusammenfassung:The invention relates to chemical technology pertaining to mineral salts and can be used in the chemical industry. A process for producing ammonium bromide from a bromide-containing polycomponent hydromineral feedstock includes: two-stage oxidation of bromide ions using gaseous chlorine during acidification of a brine; air desorption of elementary bromide; absorption of same using a cooled solution of ammonium bromide; and reduction using an ammonia solution. The resulting concentrate of ammonium bromide is evaporated until crystals are formed. The ammonium bromide crystals are dried and the mother liquor is used to produce a solution of ammonium bromide as a commercial product.