ON THE PROCESSING OF HEMATITE RAW MATERIALS AT THE KRYVOROZHSK MINING AND PROCESSING PLANT OF OXIDIZED ORE ON TECHNOLOGY OF DIRECT RECOVERY ITmk3

2018 ◽  
pp. 32-37
Author(s):  
P.I. Loboda ◽  
Younes Razaz ◽  
S. Grishchenko
Keyword(s):  
Magnetic Properties ◽  
Cast Iron ◽  
Iron Content ◽  
Raw Materials ◽  
Direct Reduction ◽  
Processing Plant ◽  
High Iron Content ◽  
High Iron ◽  
Direct Restoration ◽  
First Time

Purpose. To substantiate the efficiency of processing hematite raw materials at the Krivoy Rog Mining and Processing Plant of Oxidized Ores using the direct reduction technology itmk3®. Metodology. Analysis of the results of the itmk3® direct restoration technology developed by Kobe Steel Ltd., Japan and Hares Engineering GmbX, Austria, with a view to using it to process Krivbass hematite ores into granulated iron (so-called “nuggets”). Findings. The involvement in the production of hematite ores (oxidized quartzite) of Krivbass with high iron content, but with low magnetic properties for their processing into granular cast iron is grounded. Originality. The use of itmk3® direct reduction technology from Kobe Steel Ltd., Japan and Hares Engineering GmbH, Austria for the processing of Krivbass hematite ores into granular cast iron is justified for the first time. Practical value. The efficiency of the use of hematite ores (oxidized quartzite) has been substantiated, which can significantly reduce the costs in the mining cycle for the economical production of metallurgical products.

Influence of coal sort on the direct reduction of high-iron-content red mud

1995 ◽  
Vol 2 (2) ◽  
pp. 27-31 ◽  
Author(s):  
Guanzhou Qiu ◽  
Yongkang Liu ◽  
Tao Jiang ◽  
Yuehua Hu
Keyword(s):  
Red Mud ◽  
Iron Content ◽  
Direct Reduction ◽  
High Iron Content ◽  
High Iron

Complete Processing of the High-Iron Content Red Mud

2019 ◽  
Vol 946 ◽  
pp. 569-574 ◽  
Author(s):  
Irina V. Loginova ◽  
Aleksei V. Kyrchikov
Keyword(s):  
Cast Iron ◽  
Red Mud ◽  
Iron Content ◽  
Weak Acid ◽  
Raw Material ◽  
High Iron Content ◽  
Titanium Slag ◽  
High Iron ◽  
Iron Concentrate ◽  
Complete Processing

When bauxites from the Middle Timan and Severouralsk deposits are processed into alumina by the low-temperature sintered process the high-iron content red mud can be obtained. The red mud contain up to 58 % of iron and are a potential raw material for ferrous metallurgy. Rare earth elements (REEs) such as Sc, Y and La are converted from bauxites to red mud in the form of hydroxides during processing and are easily leached by weak acid solutions. In this work, the red mud is treated with a solution of sulfuric acid (pH = 2.5–5), the REEs pass into solution, and then the solution is neutralized to obtain a precipitate, i.e. a concentrate of rare elements. The recovery of REEs is about 75–90 % (Sc, Y, La). The high-iron content red mud is converted to the naturally-doped cast iron and titanium slag (up to 50 wt.% TiO2). As a result of processing bauxite, alumina (Al2O3), the naturally-doped cast iron, concentrate of REEs (Sc, Y, La, etc.) and titanium slag (TiO2) are obtained. The flowsheet of the proposed complete processing of the high-iron content red mud is given.

Fabrication of bisferrocenyl derivative grafted HTPB with high iron content and its application in dopamine detection

2021 ◽  
pp. 121789
Author(s):  
Alireza Aghaiepour ◽  
Shabnam Rahimpour ◽  
Elmira Payami ◽  
Reza Mohammadi ◽  
Reza Teimuri-Mofrad
Keyword(s):  
Iron Content ◽  
High Iron Content ◽  
High Iron ◽  
Dopamine Detection

High iron content of Ankaferd hemostat as a clue for its hemostatic action of red blood cell origin

2015 ◽  
Vol 26 (2) ◽  
pp. 233-234 ◽  
Author(s):  
Nejat Akar ◽  
Yasemin Ardçoğlu ◽  
Zeki Öktem ◽  
Nuran Erduran ◽  
Ibrahim C. Haznedaroglu
Keyword(s):  
Blood Cell ◽  
Red Blood Cell ◽  
Iron Content ◽  
High Iron Content ◽  
High Iron

scholarly journals Studies on high iron content in water resources of Moradabad district (UP), India

Water Science ◽  
2017 ◽  
Vol 31 (1) ◽  
pp. 44-51 ◽  
Author(s):  
Vipin Kumar ◽  
Pawan Kumar Bharti ◽  
Meenu Talwar ◽  
Ajay K. Tyagi ◽  
Pamposh Kumar
Keyword(s):  
Water Resources ◽  
Iron Content ◽  
High Iron Content ◽  
High Iron

Ductile Fe-based amorphous alloys with high iron content

2010 ◽  
Vol 17 (2) ◽  
pp. 199-203
Author(s):  
Feng-juan Liu ◽  
Tao Zhang ◽  
Shu-jie Pang ◽  
Ke-fu Yao
Keyword(s):  
Iron Content ◽  
Amorphous Alloys ◽  
High Iron Content ◽  
High Iron

scholarly journals In Situ Control of Thermal Activation Conditions by Color for Serpentines with a High Iron Content

Materials ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 6731
Author(s):  
Tatiana K. Ivanova ◽  
Irina P. Kremenetskaya ◽  
Andrey I. Novikov ◽  
Valentin G. Semenov ◽  
Anatoly G. Nikolaev ◽  
...  
Keyword(s):  
Iron Content ◽  
Large Scale ◽  
Color Change ◽  
Reference Sample ◽  
Chemical Activity ◽  
High Iron Content ◽  
Color Palette ◽  
High Iron ◽  
Serpentine Minerals ◽  
Heat Treated

Serpentine heat treatment at temperatures of 650–750 °C yields magnesium–silicate reagent with high chemical activity. Precise and express control of roasting conditions in laboratory kilns and industrial aggregates is needed to derive thermally activated serpentines on a large scale. Color change in serpentines with a high iron content during roasting might be used to indicate the changes in chemical activity in the technological process. This study gives a scientific basis for the express control of roasting of such serpentines by comparing the colors of the obtained material and the reference sample. Serpentines with different chemical activity were studied by X-ray diffraction, Mössbauer spectroscopy, and optical spectroscopy. The color parameters were determined using RGB (red, green, blue), CIELAB (International Commission on Illumination 1976 L*a*b), and HSB (hue, brightness, saturation) color models. The color of heat-treated samples was found to be affected by changes in the crystallochemical characteristics of iron included in the structure of the serpentine minerals. The color characteristics given by the CIELAB model were in good coherence with the acid-neutralizing ability and optical spectra of heat-treated serpentines. Thus, in contrast to the long-term analysis by these methods, the control by color palette provides an express assessment of the quality of the resulting product.

Catalytic Polymerization of Anthracene in a Recyclable SBA-15 Reactor with High Iron Content by a Friedel-Crafts Alkylation

2012 ◽  
Vol 51 (12) ◽  
pp. 2859-2863 ◽  
Author(s):  
Jeonghun Kim ◽  
Chokkalingam Anand ◽  
Siddulu N. Talapaneni ◽  
Jungmok You ◽  
Salem S. Aldeyab ◽  
...  
Keyword(s):  
Iron Content ◽  
Catalytic Polymerization ◽  
High Iron Content ◽  
High Iron
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