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To remove from to a desired level, a charge of the is melted in a vessel followed by either i supplying gas such as 40% CO 2 +9% CO+51% H 2 to the charge before melting is complete, or ii adding, to the charge, which is partly or wholly oxidized equivalent to adding of up to 8% of the charge weight, or a combination of i and ii, such as would at 1600 ...read more
high- as raw materials causes an obvi-ously higher content in liquid and steelmak-ing slag than that obtained from ordinary .7 It not only increases the burden and cost of dephosphorization in the steelmaking process but also restricts the circulating utilization of steelmaking slag.read more
The Leveniemi iron ore occurs mainly in sedimentary rocks. northern Sweden, there is also apatite enrichment in the ores and wall rocks which lie below the Kiruna-type …read more
· In general, phosphorus is considered as a gangue mineral in iron ore because it makes steel brittle. High levels of phosphorus in iron ore attract a penalty and reduces the profit margin substantially. The mineralogy of phosphorus in iron ore depends on the type of iron minerals.read more
fertilizer aka chemical fertilizer greatly altered the cycle, as shown in this second diagram. in rock is pretty insoluble and thus not directly available to plants. In nature, rock can become soluble and available to plants either by chemical weathering or through the actions of certain types of ...read more
Phosphorus was not found in the in the ore, and even when iron enrichment is just beginning, a limited suite of samples from the BIF suggests that the phosphorus content of the chert microbands is almost entirely in the microscopic goethite nuclei after riebeckite scattered throughout the …read more
A low-grade with LGIOWP, the extensive industrial solid waste generated in mining of high , was investigated to assess the effectiveness for the removal of from aqueous solution. The factors influencing the adsorption were examined, and the related adsorption mechanism was discussed.read more
With respect to and its associated gangue minerals, besides being present as adsorbed phases on surfaces or as distinct crystalline phases, it has been proposed that is ...read more
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