Physicochemical study and application for pyrolusite separation from high manganese-iron ore in the presence of microorganisms

被引：9

作者：

Farghaly, M. G. ^{[1
]}

Abdel-Khalek, N. A. ^{[2
]}

Abdel-Khalek, M. A. ^{[2
]}

Selim, K. A. ^{[2
]}

Abdullah, S. S. ^{[2
]}

机构：

[1] Al Azhar Univ, Fac Engn, Min & Petr Engn Dept, Qena, Egypt

[2] Cent Met Res & Dev Inst CMRDI, POB 87, Cairo 11421, Egypt

来源：

PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING | 2021年 / 57卷 / 01期

关键词：

iron ore; bio-flotation; pyrolusite; hematite; Paenibacillus polymyxa; ADSORPTION; HEMATITE; SURFACE; GEOCHEMISTRY; DEPOSITS; POLYMYXA; ORIGIN; OXIDE;

D O I：

10.37190/ppmp/131944

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Paenibacillus polymyxa bacteria strain as a surface modifier in a flotation process could remove 64.89% of MnO2 from high manganese iron ore. A concentrate containing 3.7% MnO2, 0.5% SiO2 and 71.30% Fe2O3, with a hematite recovery of 72.46% is produced from a feed containing 8.79% MnO2, 0.49% SiO2 and 67.90% Fe2O3. The bio-flotation results indicated that such type of bacteria is selective for upgrading El-Gedida iron ore from the Western Desert of Egypt. The role of Paenibacillus polymyxa on the surface properties of pyrolusite and hematite single minerals was investigated through zeta potential, FTIR and adsorption measurements.

引用

页码：273 / 283

页数：11

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