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202423 · Introduction China has large reserves of high-phosphorus iron ore resources, with reserves of 7.45 billion tons, accounting for 14.86% of the total reserves of iron ore resources [ 1 ]. These high-phosphorus iron ores are mainly distributed in Hubei, Hunan, Yunnan, Sichuan, Guizhou, Inner Mongolia, and other regions [ 2 ]. Due to the …
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2014612 · Influence of microwave treatment on the previously proposed phosphorus removal process of oolitic high phosphorus iron ore (gaseous reduction followed by melting separation) has been studied. Microwave treatment was carried out using a high-temperature microwave reactor (Model: MS-WH). Untreated ore fines and microwaved …
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With the development of China’s iron and steel industry, the demand for iron ore is increasing, and the contradic-tion of iron ore shortage is prominent.1,2) China is rich in high-phosphorus iron ore reserves, but due to its high phosphorus content, complex mineral phase structure and small mineral size, it is dificult to use eficiently.3–5) In addition, in the …
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201361 · The beneficial effect of roasting on phosphorus leaching is already being investigated for Lisakovsky oolitic iron ore in Kazakhstan, and as a consequence roasting is included in the flowsheet of the Experimental Dephosphorisation Plant in Lisakovsk, ( Akatov et al., 1969, Kotov et al., 2003, Volovyuk et al., 2009 ).
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2022315 · With the development of China’s iron and steel industry, the demand for iron ore is increasing, and the contradiction of iron ore shortage is prominent.1,2) China is rich in high-phosphorus iron ore reserves, but due to its high phosphorus content, complex mineral phase structure and small mineral size, it is difficult to use efficiently.3–5) In …
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2012104 · 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 mixed ore of high-phosphorus iron and ilmenite. The effect, which is related to basicity, reduction temperature, carbon-oxygen ratio and time of …
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2020414 · 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 …
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202112 · The iron ore with high phosphorus content is a common complex symbiotic iron ore species, and it is widely distributed in the United States, France, Russia, Australia and China [ [1], [2], [3] ]. Most of this type of ore presents an oolitic microstructure [ 1 ].
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2015411 · In the present study, roasting-induced phase change and its influence on phosphorus removal via leaching has been investigated for high-phosphorus iron ore. The findings indicate that phosphorus in the ore is associated with goethite and exists mainly in amorphous Fe3PO7 phase. The phosphorus remains in the amorphous phase after being …
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201351 · Abstract Gaseous reduction kinetics of the high phosphorus iron ore fines from Hubei in China and effect of microwave pretreatment on the gaseous reduction behavior were studied. Gaseous reduction kinetics were investigated by TG (Thermogravimetric) methods using LINSEIS STA PT 1600 thermal analysis equipment.
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