Mn2+离子对铁矿石反阳离子浮选的影响

Q3 Earth and Planetary Sciences

Rem-Revista Escola De Minas Pub Date : 2015-09-01 DOI:10.1590/0370-44672015680051

D. Cruz, R. Lima

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引用次数: 3

摘要

本文介绍了pH 10.5条件下Mn2+离子对铁矿石反阳离子浮选影响的研究结果。当MnCl2用量为600 g/t时，对所获得精矿的质量回收率、铁冶金回收率、铁和SiO2品位等所有响应变量的影响都很小。在自然pH下，在MnCl2 (600 g/t)存在的条件下，用乙二胺四乙酸- EDTA配合剂(720 g/t)对矿浆进行调质，然后在pH 10.5下，用玉米淀粉(400 g/t)和胺(50 g/t)进行调质，得到铁含量为63%、SiO2含量为5.1%的精矿，与矿浆中不存在锰的浮选试验结果相似。

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Influence of Mn2+ ion in reverse cationic flotation of iron ore

This paper presents the study results of Mn2+ ion influence on reverse cationic flotation of iron ore at pH 10.5. A small influence was observed on all response variables evaluated: mass recovery, Fe metallurgical recovery, grade of Fe and SiO2 in obtained concentrates for dosages of MnCl2 from 600 g/ton. The conditioning of pulp with ethylene diamine tetraacetic acid - EDTA complexing agent (720 g/ton) in presence of MnCl2 (600 g/ton) at natural pH, before the addition and conditioning with corn starch (400 g/ton) and amine (50 g/ton) at pH 10.5, produced a concentrate with 63% Fe, 5.1% SiO2, which is similar to results obtained in flotation test without manganese species present in pulp.

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来源期刊

Rem-Revista Escola De Minas 工程技术-工程：土木

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： REM – International Engineering Journal (antigua REM – Revista Escola de Minas) es la primera revista técnica de Sudamérica. Fue fundada en enero de 1936 por los estudiantes de la Escuela de Minas de Ouro Preto y desde entonces se ha especializado en la publicación de artículos en las áreas de la Ingeniería Civil, Geología, Metalurgia y Materiales y, Minería y Mecánica y Energía. Su objetivo es servir como un medio de publicación para los trabajos técnicos y científicos originales de investigadores nacionales y extranjeros en esas áreas. Contribuciones originales (artículos y cartas) son aceptadas. Artículos de revisión dependen de la invitación y/o análisis de los Editores. El envío de artículos para su publicación implica que el trabajo no ha sido publicado previamente, que no está siendo presentado para su publicación en otra revista y no se publicará en otro lugar, en la misma forma, sin el permiso, por escrito, de los Editores/Autores.