·An assessment of field portable X ray fluorescence analysis for nickel and iron in laterite ore New Caledonia of a few artificially wetted samples shows that both Ni and Fe estimated concentrations are directly proportional to moisture content In the field two experiments were conducted one on an air dried drill core and the second
·The reduction in concentration of radionuclides content from PG was based on leaching of 226 Ra 210 Pb 238 U and 40 K using tri butyl phosphate TBP and tri octyl phosphine oxide TOPO in kerosene The factors which affect the leaching process such as contact time concentration of the solvent and temperature were optimized
·Preparation of samples to investigate the effect of particle size distribution The phosphate slurry samples were prepared in a laboratory based on dry phosphate ore provided by an international
·Moisture content is a significant factor that may affect the engineering properties of materials Hydrogels were used as phosphate fertilizer PF carriers and applied in farming techniques by
·Phosphate ore requires processing to reduce the content of gangue minerals such as carbonates silicates feldspar mica calcite dolomite and clays to meet the requirements of the phosphate industry Good 1976 Lawver et al 1982 Hollick and Wright 1986 Rao et al 1992 The marketable sedimentary and igneous phosphate ore usually has 28 36% and
·Phosphate ore is an important raw material for producing various phosphorous industrial products which are widely utilized in agriculture chemical industry food pharmacy etc Bao et al 2021 Hao et al 2014 Orabi et al 2018 Xu et al 2019 China is one of the countries with the lowest average grade of phosphate ore Jiang 2014 The phosphate ore in China is
·International trade of phosphate rock is based on dry metric tons whereas US domestic shipments are reported as short tons on a dry or as is moisture basis Specifications for purchased rock may address grade particle size moisture content and chemical impurities such as CaO MgO SiO 2 Al 2 O 3 Fe 2 O 3 F Cl Na 2 O and K 2 O The
·The phosphate ore high in clay content is transported by train or trucks to the beneficiation plant Fig 1 As example the â œExploitations Minières du Gantour Companyâ â ˜Recette VIâ site Fig 2 alone produces million tons of waste rocks which constitute the overburden removed systematically to reach the phosphate
·Naturally occurring mineral products having sufficient phosphate content to be of commercial value are classified as phosphate rock The grade or phosphate content of these products has been traditionally reported as percent Ca 3 PO 4 2 which is referred to as bone phosphate of lime BPL tricalcium phosphate TCP or triphosphate of lime TPL
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