Desulfuration Behavior of Low-grade Iron Ore-coal Briquette during the Process of Direct Reduction Followed by Magnetic Separation

Wen Yu; Tichang Sun; Tianyang Hu

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Desulfuration Behavior of Low-grade Iron Ore-coal Briquette during the Process of Direct Reduction Followed by Magnetic Separation

机译：低品位铁矿煤块直接还原再磁选过程中的脱硫行为

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The process of coal-based direct reduction followed by magnetic separation was employed to produce direct reduction iron powder (DRIP) from a refractory low-grade iron ore. The desulfuration behavior of the composite briquettes during this process was studied. Experimental results showed that this process presents advanced sulfur removal ability. The sulfur contained in the composite briquette was almost reserved in the form of troilite at the reduction stage; however, after grinding and magnetic separation the sulfur was removed efficiently into the tailing, and the DRIP with low content of sulfur was obtained.

机译：采用煤基直接还原然后进行磁选的方法，从难处理的低品位铁矿石生产直接还原铁粉（DRIP）。研究了复合团块在该过程中的脱硫行为。实验结果表明，该工艺具有较高的脱硫能力。复合型煤中所含的硫在还原阶段几乎以tr石的形式保留下来。然而，经过研磨和磁选后，硫被有效地去除到尾矿中，并获得了硫含量低的DRIP。

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《ISIJ international》 |2015年第1期|共3页
作者
Wen Yu; Tichang Sun; Tianyang Hu;
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中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
iron ore-coal briquettedirect reductionmagnetic separationdesulfuration;

机译：铁矿石煤块直接还原磁选脱硫;

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1. Desulfuration Behavior of Low-grade Iron Ore-coal Briquette during the Process of Direct Reduction Followed by Magnetic Separation [J] . Wen YU, Tichang SUN, Tianyang HU ISIJ international . 2015,第1期

机译：低品位铁矿煤块直接还原再磁选过程中的脱硫行为
2. Analysis of Cylindrical Briquette Dimension on Total Iron Content and The Degree of Metallization in Direct Reduction Process of Iron Ore and Iron Sand Mixture [J] . Fakhreza Abdul, Sungging Pintowantoro, Alief Bram Hidayatullah Materials science forum . 2019,第期

机译：铁矿石和铁砂直接减少工艺总铁含量的圆柱形压块尺寸分析及金属化
3. A review on the enrichment of iron values of low-grade Iron ore resources using reduction roasting-magnetic separation [J] . Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems . 2020,第期

机译：减少焙烧磁分离的低级铁矿资源富集铁值的综述
4. Study on Direct Reduction of Low-Grade Iron Ore-Coal Mini-pellets in Coal-Based Rotary Kiln [C] . Zhikai Liang, Zhucheng Huang, Lingyun Yi, 9th international symposium on high-temperature metallurgical processing . 2018

机译：直接还原煤基回转窑中低品位铁矿粉的研究
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机译：第一部分：3D（'5），3D（'6）和3D（'7）自旋平衡铁和钴配合物的自旋互换研究。第二部分：牛肉心脏细胞色素氧化酶及其某些衍生物的磁化率研究（7-200 K）：血红素自旋态相关的反铁磁耦合铁（III）/铜（II）对的直接证据。
6. The Preparation of High-Purity Iron (99.987) Employing a Process of Direct Reduction–Melting Separation–Slag Refining [O] . Bin Li, Guanyong Sun, Shaoying Li, 2020

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7. Recovery of iron from copper tailings via low-temperature direct reduction and magnetic separation: process optimization and mineralogical study [O] . Rui-min Jiao, Peng Xing, Cheng-yan Wang, 2017

机译：通过低温直接减少和磁性分离从铜尾矿恢复铁：工艺优化和矿物学研究

Desulfuration Behavior of Low-grade Iron Ore-coal Briquette during the Process of Direct Reduction Followed by Magnetic Separation

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