phosphorus iron ore china

  • Specifications Guide Global Iron Ore

     · TSI Iron Ore Fines 62 Fe CFR China TS01021 TSMAU03 TSMBY03 Assessment Daily 62 Fe 8 moisture 4 silica 2.25 alumina 0.09 phosphorus 0.02 sulfur Granular size of up to 10 mm for up to 90 of cargo min 50 000 mt CFR Qingdao China 14-56 days forward L/C at sight /dmt Iron Ore Fines 65 Fe CFR China IOPRM00 IOPRM03 Assessment Daily PMA1105

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  • Dephosphorization of High-Phosphorus Iron Ore Using

    (1)Key Laboratory for Green Chemical Process of Ministry of Education Wuhan Institute of Technology 430073 Wuhan China. High-phosphorus iron ore is traditionally dephosphorized by chemical process with inorganic acids. However this process is not recommended nowadays because of its high cost and consequent environmental pollution.

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  • Processes for phosphorus removal from iron orea review

    Soc China v. 22 p. 2806−2812 2012. investigated the phosphorus removal of oolitic hematite ore of high content of iron by applying a reductive calcination with dephosphorizing agent (Na 2 SO 4 and Na 2 CO 3). The calcined mass was subjected to two stages of magnetic separation and grinding.

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  • (PDF) Processes for phosphorus removal from iron oreA

    Phosphorus is a contaminant that can be hard to remove especially when one does not know its mode of occurrence in the ores. Phosphorus can be removed from iron ore by very different routes of

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  • (PDF) Smelting Potential of HIsmelt Technology for High

    The iron recovery rate for high-phosphorus iron ore reached 92 with relatively high phosphorus content of pig iron about 0.28 under the reduction temperature of 1450 °C.

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  • Increasing Iron and Reducing Phosphorus Grades of

     · The available reserves of high-phosphorus oolitic iron ore located in Western Hubei China exceed 2 billion tons. This is a chemical sedimentary iron ore mainly composed of oolite (more than 60 ) 8 9 . Specifically the ore comprises nuclear oolite (quartz or iron material) a

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  • Phosphorus Removal of High Phosphorus Iron Ore by Gas

     · A new method (gas-based separation plus melt separation) has been proposed to remove phosphorus of the high phosphorus iron ore which was 1.25 of phosphorus content and 50.0 of iron content. HSC chemistry package and the coexistence theory of slag structure were adopted for theoretical analysis.

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  • Dephosphorization of high phosphorus oolitic hematite by

     · The iron ore reserves of 3.72 billion tons account for approximately 73.5 of the sedimentary iron ore in China (Lu et al. 1994). The high phosphorus oolitic hematite has the characteristics of low-grade iron content and high-level harmful impurities such as phosphorus and aluminium which limit the development of this oolitic iron ore. In high phosphorus oolitic hematite phosphorus is mainly in the

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  • Phosphorus Removal of High Phosphorus Iron Ore by Gas

     · To eliminate such risks China has to focus on the utilization of its domestic iron ore resources though most of them are either refractory or of low gradeC -23 A large deposit of over 4 billion ton of high phosphorus iron ore is in Hubei province with an average of 1.0 phosphorus and 50 iron.

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  • Specifications Guide Global Iron Ore

     · TSI Iron Ore Fines 62 Fe CFR China TS01021 TSMAU03 TSMBY03 Assessment Daily 62 Fe 8 moisture 4 silica 2.25 alumina 0.09 phosphorus 0.02 sulfur Granular size of up to 10 mm for up to 90 of cargo min 50 000 mt CFR Qingdao China 14-56 days forward L/C at sight /dmt Iron Ore Fines 65 Fe CFR China IOPRM00 IOPRM03 Assessment Daily PMA1105

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  • (PDF) Smelting Potential of HIsmelt Technology for High

    The iron recovery rate for high-phosphorus iron ore reached 92 with relatively high phosphorus content of pig iron about 0.28 under the reduction temperature of 1450 °C.

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  • Colorimetric Determination of Phosphorus in Iron Ore

    In order to reasonably utilize the abundant resources of high-phosphorus iron ore and ilmenite in China the technology of top-blown smelting reduction with oxygen enrichment was used to smelt the

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  • (PDF) Processes for phosphorus removal from iron oreA

    High phosphorous oolitic hematite ore is one of typical intractable iron ores in China and the conventional beneficiation methods are found to be impracticable to remove phosphorus from the ore

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  • Upgrading iron and removing phosphorus of high

     · The iron-bearing ore existing in the form of oolite was mainly composed of hematite limonite daphnite and collophane. The harmful element phosphorus content was 1.56 belonging to high phosphorus ooliticiron ore in western Hubei. In this study segregation roasting and low intensity magnetic separation techniques were applied for

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  • Increasing Iron and Reducing Phosphorus Grades of

     · The available reserves of high-phosphorus oolitic iron ore located in Western Hubei China exceed 2 billion tons. This is a chemical sedimentary iron ore mainly composed of oolite (more than 60 ) 8 9 . Specifically the ore comprises nuclear oo lite (quartz or iron material) a collophane girdle

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  • Mechanism of phosphorus removal in beneficiation of high

     · YAN and ZHANG 3 applied the process of desliming∠anionic reverse flotation to treat the refractory oolitic iron ore of the western Hubei Province China. The concentrate with total iron grade of 58.12 and phosphorus content of 0.37 was obtained in the tests.

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  • The removal of phosphorus from iron ore by leaching with

    A hydrometallurgical method for the removal of phosphorus from iron ore is presented. The apatite content (∼ 1 ) of a Swedish ore is removed (> 95 ) by leaching the ore with nitric acid. The iron loss is less than 0.05 while the alkali metal content is greatly reduced (> 60 ).

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  • Strengthening iron enrichment and dephosphorization of

     · 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.

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  • Removal of Phosphorus from High Phosphorus Iron Ores in

    In the process of resource utilization of high phosphorus iron ores phosphorus should be removed first. Compared to other dephosphorization methods selective leaching with acid has special advantages such as high dephosphorization ratio low iron loss and so on. However a large amount of acidic wastewater containing phosphorus was produced after acid leaching.

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  • Increasing Iron and Reducing Phosphorus Grades of

     · The available reserves of high-phosphorus oolitic iron ore located in Western Hubei China exceed 2 billion tons. This is a chemical sedimentary iron ore mainly composed of oolite (more than 60 ) 8 9 . Specifically the ore comprises nuclear oo lite (quartz or iron material) a collophane girdle

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  • Study on dephosphorization mechanism by roasting iron

     · Study on dephosphorization mechanism by roasting iron ore pellets with high phosphorus content Yangping Wu Yuanzheng Guo and Xiaocan Zhong School of North China University of Science and Technology Tangshan 063000 China Abstract Based on high phosphorus pellets as the research object combined with Factsage7.1

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  • Removal of Phosphorus from High Phosphorus Iron Ores in

    In the process of resource utilization of high phosphorus iron ores phosphorus should be removed first. Compared to other dephosphorization methods selective leaching with acid has special advantages such as high dephosphorization ratio low iron loss and so on. However a large amount of acidic wastewater containing phosphorus was produced after acid leaching.

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  • Mechanism of phosphorus removal in beneficiation of high

     · YAN and ZHANG 3 applied the process of desliming∠anionic reverse flotation to treat the refractory oolitic iron ore of the western Hubei Province China. The concentrate with total iron grade of 58.12 and phosphorus content of 0.37 was obtained in the tests.

    Chat Online
  • Phosphorus Removal of High Phosphorus Iron Ore by Gas

     · To eliminate such risks China has to focus on the utilization of its domestic iron ore resources though most of them are either refractory or of low gradeC -23 A large deposit of over 4 billion ton of high phosphorus iron ore is in Hubei province with an average of 1.0 phosphorus and 50 iron.

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  • Increasing Iron and Reducing Phosphorus Grades of

    The available reserves of high-phosphorus oolitic iron ore located in Western Hubei China exceed 2 billion tons. This is a chemical sedimentary iron ore mainly composed of oolite (more than 60 ) 8 9 . Specifically the ore comprises nuclear oolite (quartz or iron material) a collophane girdle hematite and a limonite girdle the gangue is composed of fine-grained hematite and quartz feldspar the cement

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  • Dephosphorization of High-Phosphorus Iron Ore Using

     · In China such high-phosphorus iron ore account for about 20 of total resource of iron ore . Dephosphorization of high-phosphorus iron ore has been studied worldwide for several decades. Many efforts have been devoted to physical beneficiation and chemical leaching methods of high-phosphorus iron ore 2–5 . However the phosphate removal from high-phosphorus iron ore has still been a challenge for most of the iron ore

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  • Phosphorus Removal of High Phosphorus Iron Ore by Gas

     · A new method (gas-based separation plus melt separation) has been proposed to remove phosphorus of the high phosphorus iron ore which was 1.25 of phosphorus content and 50.0 of iron content. HSC chemistry package and the coexistence theory of slag structure were adopted for theoretical analysis.

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