Application of biotechnology in iron ore beneficiation
2015.1.1 Bioleaching for phosphorus removal from iron ores. Dephosphorization of iron ore can be achieved through bioleaching. Different methods are needed to remove phosphorus from iron ore depending on whether it is present as a mineral (apatite) or
Charlar en LíneaMobilization of phosphorus from iron ore by the bacterium
2009.1.1 C. García-Balboa a Add to Mendeley doi/10.1016/j.mineng.2008.03.001 Get rights and content Abstract The
Charlar en LíneaEffect of ore solid concentration on the bioleaching of phosphorus
2010.10.1 Often, a chemical separation is the only method able to remove phosphorus from iron ores. Phosphorus can occur as phosphorus-containing
Charlar en LíneaEvaluation of the Use of Burkolderia Caribensis Bacteria for the ...
comminution and separation. In iron ores from non-weathered deposits, the primary source of phosphorus is apatite6. In weathered iron ore deposits, phosphorus occurs highly
Charlar en LíneaMobilization of phosphorus from iron ore by the bacterium
2008.5.8 Delvasto et al. adopted a bio-leaching process to remove phosphorus from iron ores, and the results showed that the dephosphorization rate could reach 80% with
Charlar en LíneaGreen and efficient separation of iron and phosphorus from high ...
2023.8.1 The relationship between metallic iron particles and gangue and the occurrence of phosphorus in roasted ores were observed by SEM–EDS, and the
Charlar en LíneaProcesses for phosphorus removal from iron ore - a review
Phosphorus can be removed from iron ore by very different routes of treatment. The genesis of the reserve, the mineralogy, the cost and sustainability define the technol ogy
Charlar en LíneaDevelopments in Biotechnology for Environmentally Benign Iron
2013.7.3 Heterotrophic bacteria such as Bacillus spp. and fungi such as Aspergillus secrete organic acids such as citric and oxalic acids, which can chelate and dissolve
Charlar en Línea(PDF) Revisiting phosphate separation from iron ores - ResearchGate
2008.1.1 Phosphorous is a major contaminant for the vast majority of uses of iron ores, especially all related to iron making. It is found in a variety of forms from separate
Charlar en LíneaEffect of ore solid concentration on the bioleaching of phosphorus
Semantic Scholar extracted view of "Effect of ore solid concentration on the bioleaching of phosphorus from high-phosphorus iron ores using indigenous sulfur-oxidizing
Charlar en LíneaA novel direct reduction-flash smelting separation process of treating ...
2021.1.2 Deep dephosphorization of high‑phosphorus oolitic iron ore (HPOIO) is extremely difficult because of its refractory characteristics. A new approach for simultaneous iron recovery and dephosphorization from HPOIO by oxidation roasting–gas-based reduction (ORGR) and magnetic separation process was developed.The underlying
Charlar en LíneaProcesses for phosphorus removal from iron ore - A
2015.9.1 Phosphorus associated with the goethite in high-phosphorus iron ores can be removed to 0.075% P using a heat treatment at 300–350°C for 1 h with 10 wt% NaOH, followed by a water leach.
Charlar en LíneaA New Route to Upgrading the High-Phosphorus
2022.4.30 In this paper, an innovative method is proposed to upgrade iron and remove phosphorus from high-phosphorus oolitic hematite ore by the sodium magnetization roasting–magnetic separation–sulfuric acid
Charlar en LíneaRemoval of phosphorus from iron ores by chemical leaching
2006.12.1 Alkali-leaching and acid-leaching were proposed for the dephosphorization of Changde iron ore, which contains an average of 1.12% for phosphorus content. Sodium hydroxide, sulfuriced, hydrochloric and nitric acids were used for the preparation of leach solutions. The results show that phosphorus occurring as apatite phase could be
Charlar en LíneaThe removal of phosphorus from iron ore by leaching with nitric
Removal of phosphorus from iron ores by chemical leaching. Yong-shi Jin J. Tao Yong-bin Yang L. Qian Guanghui Li Yu-feng Guo. Materials Science, Environmental Science. 2006. Alkali-leaching and acid-leaching were proposed for the dephosphorization of Changde iron ore, which contains an average of 1.12% for phosphorus content.
Charlar en LíneaImprovement of phosphorus removal from iron ore using
2015.12.17 Most of the past studies examined the effects of ultrasonic treatment on the removal of phosphorus, silica and alumina minerals from iron ores.In the present work, the effect of combined microwave pretreatment and ultrasonic treatment on the efficiency of disintegration and removal of phosphorus and other gangue minerals
Charlar en LíneaMigration behaviors and kinetics of phosphorus during coal
2018.8.24 To understand the migration mechanisms of phosphorus (P) during coal-based reduction, a high-phosphorus oolitic iron ore was reduced by coal under various experimental conditions. The migration characteristics and kinetics of P were investigated by a field-emission electron probe microanalyzer (FE-EPMA) and using the basic principle
Charlar en LíneaStrengthening iron enrichment and dephosphorization of high-phosphorus
2020.4.14 The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic significance for the sustainable supply of iron-ore resources in China. In this paper, the mechanism of high-temperature pretreatment for enhancing the effect of iron enrichment and dephosphorization in the magnetization roasting-leaching
Charlar en LíneaStrengthening iron enrichment and dephosphorization of high-phosphorus
2019.5.26 The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic significance for the sustainable supply of iron-ore resources in China. In this paper, the mechanism of high-temperature pretreatment for enhancing the effect of iron enrichment and dephosphorization in the magnetization roasting–leaching
Charlar en LíneaMetals Free Full-Text Synchronous Upgrading Iron and Phosphorus ...
2016.3.31 In this paper, an effective method was developed to remove phosphorus and upgrade iron from high phosphorus oolitic hematite ore by high temperature flash reduction—a wet magnetic separation process. A thermodynamic analysis of iron and phosphorus mineral reactions and experiments with Fe-P separation process were
Charlar en LíneaMixture of ilmenite and high phosphorus iron ore smelted by
2012.10.4 The outcome is that there is no foamy slag in generation, a good separation of slag and iron, iron recovery with 91.41%, ... Effect of ore solid concentration on the bioleaching of phosphorus from high-phosphorus iron ores using indigenous sulfur-oxidizing bacteria from municipal wastewater [J]. Process Biochemistry, 2010,
Charlar en LíneaGreen and efficient separation of iron and phosphorus from high ...
2023.8.1 1. Introduction. With the increasing consumption of high-quality iron ore, realizing the efficient utilization of refractory iron ore resources is of strategic significance for the sustainable development of the iron and steel industry (Qin et al., 2023, Sahu et al., 2023, Yuan et al., 2019).Among refractory iron ores, high-phosphorus oolitic iron ore
Charlar en LíneaEffects of sodium salts on reduction roasting and Fe–P separation
2013.11.14 Regarding dephosphorization of high phosphorus iron ores, Bai et al. (2012) investigated the beneficiation of limonite by sodium carbonate added carbothermic reduction followed by magnetic separation, and the phosphorus content of the obtained magnetic concentrate is still as high as 0.25%.
Charlar en LíneaEvaluation of the Use of Burkolderia Caribensis Bacteria for the ...
2022.2.4 In this sense, the literature has reported works developing some methods for removing phosphorus in iron ores involving smelting, separation by physical processes and chemical leaching processes, among others 1 1 Graham J. Phosphorous in the iron ore from the Hamersley iron formations.
Charlar en Línea[PDF] Bioflotation of low Grade Egyptian Iron ore using
Corpus ID: 235665804; Bioflotation of low Grade Egyptian Iron ore using Brevundimonas diminuta Bacteria : Phosphorus removal @inproceedings{AbdelKhalek2013BioflotationOL, title={Bioflotation of low Grade Egyptian Iron ore using Brevundimonas diminuta Bacteria : Phosphorus removal}, author={Nagui A. Abdel-Khalek and Khaled A. Selim and Samah
Charlar en Línea(PDF) Bioflotation of low Grade Egyptian Iron Ore using ...
18666 Nagui A. Abdel-Khalek et al./ Elixir Bio Technology 63 (2013) 18666-18670 Available online at elixirpublishers (Elixir International Journal) Bio Technology Elixir Bio Technology 63 (2013) 18666-18670 Bioflotation of low Grade Egyptian Iron ore using Brevundimonas diminuta Bacteria: Phosphorus removal Nagui A. Abdel-Khalek, Khaled
Charlar en LíneaApplication of biotechnology in iron ore beneficiation
2022.1.1 Efforts are now being directed to the application of biomining to oxide ore systems as high-grade ore becomes scarce and for the removal of phosphorus from phosphorus-containing iron ores. This chapter discusses the potential exploitation of microorganisms and their metabolites as bioreagents for the selective flotation and
Charlar en LíneaImprovement of Phosphorus Removal from Iron Ore Using
2015.10.1 Bioleaching o f Phosphorus from High-Phosphorus Iron Ores Us ing I ndigenous Sulfur-Oxidizing Bacteria from Municipal Wastewater, Process Biochem. 45 (2010) 1624-1631.
Charlar en LíneaREMOVAL OF PHOSPHORUS THROUGH ROASTING OF OOLITIC IRON
(1966). The phosphorus content in the iron concentrate is about 0. 6 – 0.8 % and the studies has shown that it is not represented as separable from iron minerals species, Belikov . et al (2002), Ionkov . et al (2011) but is included in limonite as a solid solution. Attempts for physical separation of phosphorus from similar Australian iron ore
Charlar en LíneaBacterial solubilization of phosphorus from phosphate rock
2010.6.1 Bacterial solubilization of phosphorus (P) from phosphate rock with acidophilic iron- and sulfur-oxidizing bacteria (Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans) was carried out in shake flasks leaching experiments.Phosphate rock sample was supplemented with sulfur-mud (a waste of
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