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Relevant bibliographies by topics / Low-grade phosphorite

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Academic literature on the topic 'Low-grade phosphorite'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Low-grade phosphorite"

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Temirov, Uktam, Nodir Doniyarov, Bakhrom Jurakulov, Najimuddin Usanbaev, Ilkhom Tagayev, and Abdurasul Mamataliyev. "Obtaining complex fertilizers based on low-grade phosphorites." E3S Web of Conferences 264 (2021): 04009. http://dx.doi.org/10.1051/e3sconf/202126404009.

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In the study, the process preparation of phosphorus-humus fertilizers based on low-grade Central Kizilkum phosphorites activated using sulfuric acid in the ratio of 30-70% for decomposition of CaCO3 in the phosphorite followed by addition of activated sludge from municipal waster water was investigated.

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Guha, Arindam, Yasushi Yamaguchi, Snehamoy Chatterjee, Komal Rani, and Kumranchat Vinod Kumar. "Emittance Spectroscopy and Broadband Thermal Remote Sensing Applied to Phosphorite and Its Utility in Geoexploration: A Study in the Parts of Rajasthan, India." Remote Sensing 11, no. 9 (2019): 1003. http://dx.doi.org/10.3390/rs11091003.

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The contrast in the emissivity spectra of phosphorite and associated carbonate rock can be used as a guide to delineate phosphorite within dolomite. The thermal emissivity spectrum of phosphorite is characterized by a strong doublet emissivity feature with their absorption minima at 9 µm and 9.5 µm; whereas, host rock dolomite has relatively subdued emissivity minima at ~9 µm. Using the contrast in the emissivity spectra of phosphorite and dolomite, data obtained by the thermal bands of Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) sensor were processed to delineate ph

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Wang, Wei Zhi, Miao Miao Han, and Chun Guang Yang. "Study on Flotation Process Reclaiming Associated Phosphor from Magnetic Tailing." Advanced Materials Research 549 (July 2012): 482–86. http://dx.doi.org/10.4028/www.scientific.net/amr.549.482.

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To make the best use of the mineral resource, the flotation tests were conducted on the magnetic tailings from a low grade vanadium -titanium magnetite ore, reclaiming phosphorites, By having done the conditional tests, the factors which worked on the flotation were researched. The results showed that for the tailings whose P2O5 grade was 3.05% worked by one roughing, three cleanings, one scavenging and the middlings returned in turn, the concentrate whose P2O5 grade was 33.50%,recovery was 92.18% was obtained, and the phosphorite was reclaimed availably.

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Xing, Yu, Hong Gao, Yuan Fang Ying, and De Zheng Qu. "Mechanochemical Activation and Characterization of Low-Medium Grade Phosphorite Ore." Advanced Materials Research 690-693 (May 2013): 3529–32. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.3529.

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The activation effect of ball-to-powder ratio and activation time on phosphorite ore that takes place in mechanochemical activation has been investigated in present paper, which is carried out in a planetary mill AGO-II. The results show that, particle sizes decreased after activation; the leaching rate of water-soluble P2O5 increased 4.6 percentage as ball-to-powder ratio rose from 8:1 to 40:1; the activated particle of samples has been highly dispersed, while the leaching rate of water-soluble P2O5 reached 10.1% after milling 15 minutes during activation, which was 4 times as high as the un-

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Gruber, G. A., J. D. Raulerson, and R. P. Farias. "Adapting technology to beneficiate a low-grade phosphorite ore." Mining, Metallurgy & Exploration 4, no. 1 (1987): 14–18. http://dx.doi.org/10.1007/bf03402666.

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Alimov, Umarbek, Shafoat Namazov та Akhmed Reymov. "Сomposition and Rheological Properties of Decomposition Products of Low Grade Phosphorite with Phosphoric Acid". Chemical Science International Journal 24, № 1 (2018): 1–11. http://dx.doi.org/10.9734/csji/2018/25653.

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Vetsner, Yulana, Valentyn Kazakov, Vira Doronina, et al. "To the question of using of low-grade phosphate rock from Synycheno-Yaremivske field of the Iziumskyi district." IOP Conference Series: Earth and Environmental Science 970, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1755-1315/970/1/012016.

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Abstract The article is devoted to the study of low-grade phosphorites of the Synycheno-Yaremivske deposit in the Iziumskyi district of the Kharkiv region. The possibility of enrichment of this ore by three methods is considered: mechanical, thermal and chemical, carried out in laboratory conditions. The qualitative and quantitative composition of phosphorite has been determined using X-ray fluorescence analysis and electron microscopy with an attachment for energy dispersive analysis. Both natural and enriched raw materials have been studied. Based on the data obtained, it is possible to conc

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Zhantasov, K. T., Sh Moldabekov, M. K. Zhantasov, et al. "Mechanical Activation of the Phosphorites (Karatau Pool) by using Organic-Mineral Co-Activators for Multicomponent Mineral Fertilizers." Eurasian Chemico-Technological Journal 17, no. 4 (2016): 317. http://dx.doi.org/10.18321/ectj276.

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Deficiency of mineral fertilizers in the agricultural sector for last 15–20 years has decreased. Therefore with the purpose of partial reduction of this deficiency it was developed a new polycomponent NPK fertilizer, which contains humate and vermiculite. The given fertilizer has been produced from the natural South<br />Kazakhstan raw materials in accordance with an acid-free way. The given article contains the data and physicochemical properties of initial materials prepared on the basis of phosphorite fines of Zhanatas and Chulaktau deposits and sinter return. Characteristics of vermi

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Raiymbekov, Y. B., P. A. Abdurazova та U. B. Nazarbek. "Төменсұрыпты фосфат шикізатын органикалық қышқылмен байытудың термодинамикалық талдауы". Горный журнал Казахстана, № 5(2017) (13 червня 2023): 32–48. http://dx.doi.org/10.48498/minmag.2023.2017.5.005.

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The phosphorus industry faces the challenge of developing low-grade phosphate reserves for industrial purposes, requiring technological solutions for enrichment. About 20 million tons of low-grade phosphorites are currently unsuitable for processing. Depleting phosphorite deposits and low phosphorus anhydride levels reduce global demand for domestic ore and necessitate research on enrichment and integrated use. This study aims to conduct a thermodynamic analysis of low-grade phosphate enrichment using acetic acid. Using the HSC Chemistry 9.3 program, developed by Finnish metallurgical company

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Tashkenbay, Bautdinov, Reymov Akhmed, and Tadjiev Sayfuddin. "Chemical Activation of Khojakul Phosphorites by Ammonium Salts." Chemical Science International Journal 19, no. 2 (2017): 1–6. https://doi.org/10.9734/CSIJ/2017/30755.

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<strong>Aims: </strong>To investigate chemical activation of low-grade phosphorite from Karakalpakstan, Khojakul by ammonium salts in order to obtain slow-acting phosphate fertilizers. <strong>Study Design:</strong> The content of the total form N (N<sub>t.</sub>) was determined by method Kjeldahl method. Determination of total and acceptable forms (on 0.2 M solution of Trilon B) of phosphorus (P<sub>2</sub>O<sub>5tot</sub>., P<sub>2</sub>O<sub>5wat</sub>.) was performed widely in the analysis of phosphate ores by differential method on photo colour meter PCM-3 (made in Russia, l = 440 nm) as

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Book chapters on the topic "Low-grade phosphorite"

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Soboleva, I. V., E. M. Koltsova, and A. V. Jensa. "Industrial Case Study of Reaction Kinetics Applied for Continuous Dihydrate – Hemihydrate Method of P2O5 Production for Low Grade Phosphorites." In Advances in Computational Methods in Sciences and Engineering 2005 (2 vols). CRC Press, 2022. http://dx.doi.org/10.1201/9780429077166-207.

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Conference papers on the topic "Low-grade phosphorite"

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Boukis, N., G. Franz, W. Habicht, and E. Dinjus. "Corrosion Resistant Materials for SCWO-Applications. Experimental Results from Long-Time Experiments." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01353.

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Abstract Corrosion during SCWO treatment is localized in the preheater and cooler sections of the apparatus. In former experiments, titanium has been proved more corrosion resistant than Ni-base alloys also in the highly corrosive environment of the cooler of SCWO apparatuses. For the experiments, tube reactors made of alloy 625 equipped with liners made of titanium grade 2 in the preheater and the cooler sections were exposed to solutions containing hydrochloric, sulfuric or phosphoric acid. To measure the low corrosion rates, exposure times were longer than 1000 h. Experimental pressure was

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McIlveen-Wright, D. R., J. T. McMullan, and D. J. Guiney. "Some CHP Options for Wood-Fired Fuel Cells." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58023.

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The possibility of integrating biomass gasifiers with fuel cells has already been explored and shown to offer a method for using renewable energy to generate electricity at a small scale. A preliminary study of applying such a system for use in an isolated community and for several selected buildings has been made and the results of these studies reported earlier. In this study wood gasification integrated with fuel cell (WGIFC) systems in CHP configurations for five building systems with different energy demand profiles, are assessed. These are a hospital, a hotel, a leisure centre, a multi-r

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