PROCESS FOR PRODUCING AN IRON ORE FINES AGGLOMERATE AND THE AGGLOMERATE PRODUCT

PROCESS FOR PRODUCING AN IRON ORE FINES AGGLOMERATE AND THE AGGLOMERATE PRODUCT

The present invention relates to a process for the production of iron ore fines agglomerate, resistant to handling, transport, and contact with water. The process consists of mixing iron ore fines with sodium silicate, nanomaterials, catalyst, fluxes and plasticizer; adjusting the moisture of the mi...

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Hauptverfasser: DE RESENDE, VALDIRENE GONZAGA, PARREIRA, FABRÍCIO VILELA, DUTRA, FLÁVIO DE CASTRO
Format: Patent
Sprache:eng ; pol
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator DE RESENDE, VALDIRENE GONZAGA
PARREIRA, FABRÍCIO VILELA
DUTRA, FLÁVIO DE CASTRO
description The present invention relates to a process for the production of iron ore fines agglomerate, resistant to handling, transport, and contact with water. The process consists of mixing iron ore fines with sodium silicate, nanomaterials, catalyst, fluxes and plasticizer; adjusting the moisture of the mixture; agglomerating the mixture by pelletizing, briquetting or extrusion; performing curing at room temperature. The process does not require energy input for heat treatment and allows obtaining an agglomerated product with high physical and metallurgical performance to replace metallic load, including sinter, in reduction furnaces, without the emission of harmful gases such as CO2, dioxins, furans, and SOx.
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title PROCESS FOR PRODUCING AN IRON ORE FINES AGGLOMERATE AND THE AGGLOMERATE PRODUCT
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