To provide a new method for the dephosphorization of high-phosphorus oolitic iron ore (HPOIO) by reduction roasting, the feasibility of the high-efficiency separation of iron and …
WhatsApp: +86 18221755073A process with acid leaching followed by hydrogen-based fluidized reduction and melt separation is presented for recovering DRI (direct reduced iron) from high-phosphorus …
WhatsApp: +86 18221755073The gasification removal behaviour of phosphorus from high-phosphorus iron ore in the temperature range of 400–900 °C under H 2 reducing and N 2 atmosphere was …
WhatsApp: +86 18221755073The distribution characteristics of phosphorus in the metallic iron, and the reduction behaviors of hema-tite and fluorapatite during solid-state reductive roasting of a phosphorus-rich (1.3 …
WhatsApp: +86 18221755073Abstract The possibility of selective solid-phase reduction of iron from oolitic ore has been experimentally confirmed. Solid phase reduction was carried out at temperatures of …
WhatsApp: +86 18221755073The removal of phosphorus from iron ore by leaching with nitric acid. Hydrometallurgy. (1989) ... Solid State Phenom. (2018) View more references. Cited by (27) ...
WhatsApp: +86 18221755073Thus, a method for phosphorus removal by gasification in the hydrogen-rich sintering process was proposed. In this study, the reduction mechanism of phosphorus in …
WhatsApp: +86 18221755073As a consequence, a lot of research efforts have been focused on phosphorus removal from high-phosphorus iron ore [20,24,[32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48] in a ...
WhatsApp: +86 18221755073With the rapid consumption of iron ore around the world, the iron ore deposits have been exhibited an increasingly complex mineralogical composition. It is predicted that the identified …
WhatsApp: +86 18221755073A new approach of removing the phosphorus-rich phase from high-phosphorous iron ore by melt separation at 1573 K in a super- gravity field was investigated. The iron-slag …
WhatsApp: +86 18221755073A 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 …
WhatsApp: +86 18221755073the ore bodies in the high phosphorous iron ore has limited the development of appropriate beneciation techniques. Therefore, the development of an economically viable tech-nology for …
WhatsApp: +86 18221755073The gasification removal behaviour of phosphorus from high-phosphorus iron ore is theoretically and experimentally studied in the temperature range of 400–900 °C under H 2 …
WhatsApp: +86 18221755073The high-phosphorus oolitic hematite ore is embedded with extremely fine grains, with an uneven distribution and a high content of harmful impurities. Iron oxides are intercalated with gangue …
WhatsApp: +86 18221755073According to the melting behavior of high phosphorous iron ore gaseous reduction product at 1473 K, the iron grains remain in solid state, and the other minerals have formed …
WhatsApp: +86 18221755073Phosphorus 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 technology to be …
WhatsApp: +86 18221755073In 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 …
WhatsApp: +86 18221755073Phosphorus 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 technology to be applied. The...
WhatsApp: +86 18221755073The gasification removal behaviour of phosphorus from high-phosphorus iron ore is theoretically and experimentally studied in the temperature range of 400–900°C under H 2 reducing and N …
WhatsApp: +86 18221755073The distribution characteristics of phosphorus in the metallic iron, and the reduction behaviors of hematite and fluorapatite during solid-state reductive roasting of a phosphorus-rich (1.3 …
WhatsApp: +86 18221755073Xu et al. 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 …
WhatsApp: +86 18221755073In the process of resource utilization of high phosphorus iron ores, phosphorus should be removed first. Compared to other dephosphorization methods, selective leaching …
WhatsApp: +86 18221755073The distribution characteristics of phosphorus in the metallic iron, and the reduction behaviors of hema-tite and fluorapatite during solid-state reductive roasting of a phosphorus-rich (1.3 …
WhatsApp: +86 18221755073Granulometric composition of the original oolitic ore from the Lisakovsk deposit. As shown in Figure 4, the ore consists entirely of fine fractions less than 1 mm, with the majority of the …
WhatsApp: +86 18221755073Granulometric composition of the original oolitic ore from the Lisakovsk deposit. As shown in Figure 4, the ore consists entirely of fine fractions less than 1 mm, with the majority of the …
WhatsApp: +86 18221755073In recent years, the main dephosphorization process for high phosphorus iron ores includes: (1) the hydrometallurgy method, such as the reverse flotation process, 3, 4) the bioleaching …
WhatsApp: +86 18221755073Phosphorus in high phosphorus oolitic hematite is mainly present in the fluoroapatite, and the temperature of coal-based reduction is generally above 1200 °C, in …
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