BINDER COMPOSITIONS AND PROCESSES OF PREPARING IRON ORE PELLETS

Binder compositions for agglomerating iron ore fines are provided, the compositions comprising: one or more types of modified starch and one or more types of synthetic dry polymers. A process for preparing iron ore pellets with the binder compositions is also provided, the process comprising: (i) ad...

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Bibliographische Detailangaben
Hauptverfasser:	MACY, PATRICK, MOORE, LUCAS, LUO, YUPING
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CASTING CHEMISTRY COMPOSITIONS BASED THEREON FERROUS OR NON-FERROUS ALLOYS GENERAL PROCESSES OF COMPOUNDING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER WORKING-UP
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Beschreibung
Zusammenfassung:	Binder compositions for agglomerating iron ore fines are provided, the compositions comprising: one or more types of modified starch and one or more types of synthetic dry polymers. A process for preparing iron ore pellets with the binder compositions is also provided, the process comprising: (i) adding a binder composition to particulate iron ore to form a mixture; and (ii) forming the mixture into pellets. La présente invention concerne des compositions de liant pour l'agglomération de fines de minerai de fer, les compositions comprenant : un ou plusieurs types d'amidon modifié et un ou plusieurs types de polymères synthétiques secs. Un procédé de préparation de pastilles de minerai de fer à l'aide des compositions de liant est également décrit, le procédé comprenant : (i) l'addition d'une composition de liant au minerai de fer sous forme de particules pour former un mélange ; et (ii) la mise sous forme de pastilles du mélange.