Articles with "phosphate rock" as a keyword



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Assessment of heavy metals concentration in phosphate rock deposits, Hazara basin, Lesser Himalaya Pakistan

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Published in 2017 at "Geosciences Journal"

DOI: 10.1007/s12303-017-0013-9

Abstract: Naturally occurring phosphate rock is the only essential source for the production of fertilizers. Heavy metals and phosphate concentrations are quite higher in phosphate rock formed by sedimentary processes. This detail study was conducted to… read more here.

Keywords: heavy metals; concentration; assessment heavy; phosphate ... See more keywords
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The Additive Effect of K2CO3-NiSO4 on the Carbothermal Reduction Process of Phosphate Rock and SiO2

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Published in 2019 at "Silicon"

DOI: 10.1007/s12633-019-00311-5

Abstract: In this study, K2CO3 and NiSO4 were used for doping the carbothermal reduction system of phosphate rock, and the effect of a K-Ni composite catalyst on the carbothermal reduction of phosphate rock was studied. The… read more here.

Keywords: carbothermal reduction; phosphate rock; k2co3 niso4; phosphate ... See more keywords
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Agronomic and financial benefits of direct Minjingu phosphate rock use in acidic humic nitisols of Upper Eastern Kenya

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Published in 2021 at "Heliyon"

DOI: 10.1016/j.heliyon.2021.e08332

Abstract: A major constraint to crop production in Sub-Saharan Africa is nutrient deficiency, especially phosphorus (P) deficiency. Phosphorus plays a crucial role in photosynthesis but is usually deficient in acidic soils since it is converted to… read more here.

Keywords: acidic humic; minjingu phosphate; phosphate rock; rock ... See more keywords
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Improving the fertilizer value of sugarcane wastes through phosphate rock amendment and phosphate-solubilizing bacteria inoculation

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Published in 2021 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2021.126821

Abstract: ABSTRACT Composting of by-products from the sugarcane (Saccharum officinarum) industry can help achieve sustainable biofuel production by replacing mineral fertilizers and adequate residual disposal. The hypothesis was that the compost of filter cake and ash… read more here.

Keywords: phosphate; sugarcane; compost; phosphate solubilizing ... See more keywords
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Detailed effects of particle size and surface area on 222Rn emanation of a phosphate rock.

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Published in 2017 at "Journal of environmental radioactivity"

DOI: 10.1016/j.jenvrad.2017.10.004

Abstract: The dependency of radon emanation on soil texture was investigated using the closed chamber method. Ground phosphate rock with a large specific surface area was analyzed, and the presence of inner pores, as well as… read more here.

Keywords: phosphate rock; emanation; surface area;
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Potential radiological impact of the phosphate industry in South Africa on the public and the environment (Paper 1).

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Published in 2020 at "Journal of environmental radioactivity"

DOI: 10.1016/j.jenvrad.2020.106214

Abstract: Phosphate rock is mined on a large scale as a source material for fertilizers and other phosphorous containing products, such as phosphoric acid and gypsum. The potential problem of high concentrations of naturally occurring radionuclides… read more here.

Keywords: phosphate industry; south africa; rock; phosphate rock ... See more keywords
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The adaptability of Hy-Line Brown laying hens to low-phosphorus diets supplemented with phytase

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Published in 2020 at "Poultry Science"

DOI: 10.1016/j.psj.2020.03.033

Abstract: Body phosphorus homeostasis network allows laying hens to adapt to wide range of changes in dietary phosphorus levels. Phytase hydrolyzes phytate rendering phosphorus and reduces the laying hens' requirements for inorganic phosphate rock. Here, we… read more here.

Keywords: inorganic phosphate; phosphate rock; laying hens; phosphorus ... See more keywords

Decomposition reaction of phosphate rock under the action of microwave plasma* * Project supported by the National Natural Science Foundation of China (Grant No. 21076131).

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Published in 2020 at "Chinese Physics B"

DOI: 10.1088/1674-1056/abccb6

Abstract: The decomposition reaction of phosphate rock under the action of microwave plasma was investigated. Phosphate rock and its decomposition products were characterized by x-ray diffraction (XRD), energy disperse spectroscopy (EDS), and chemical analysis. The measurements… read more here.

Keywords: action; phosphate rock; decomposition; microwave plasma ... See more keywords
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Bioleaching of rare‐earth elements from phosphate rock using Acidithiobacillus ferrooxidans

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Published in 2022 at "Letters in Applied Microbiology"

DOI: 10.1111/lam.13745

Abstract: Phosphate rock containing rare‐earth elements (REEs) is considered one of the most promising potential secondary sources of REEs, as evidenced by large tonnages of phosphate rock mined annually. The bioleaching of REEs from phosphate rock… read more here.

Keywords: rock; phosphate rock; using acidithiobacillus; earth elements ... See more keywords
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Release of Heavy Metals from Dolomite Phosphate Rock after Activation with Organic Agent.

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Published in 2019 at "Journal of environmental quality"

DOI: 10.2134/jeq2018.09.0322

Abstract: As high-grade phosphate reserves begin to diminish worldwide, low-grade phosphate rock such as that containing dolomite [CaMg(CO)] needs to be explored as a potential fertilizer. Activation of dolomite phosphate rock with humic acid substantially increased… read more here.

Keywords: phosphate; activation; heavy metals; dolomite phosphate ... See more keywords
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The Synergistic Effect of Biochar-Combined Activated Phosphate Rock Treatments in Typical Vegetables in Tropical Sandy Soil: Results from Nutrition Supply and the Immobilization of Toxic Metals

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Published in 2022 at "International Journal of Environmental Research and Public Health"

DOI: 10.3390/ijerph19116431

Abstract: Sandy soils in tropical areas are more vulnerable to potential toxic elements as a result of their low nutrition. The composite addition of biochar and phosphate material is considered a promising method of immobilizing toxic… read more here.

Keywords: biochar; activated phosphate; soil; phosphate rock ... See more keywords