Suchergebnisse - "PHOSPHATE rock"

Ball-milled sepiolite/phosphate rock for simultaneous remediation of cadmium-contaminated farmland and alleviation of phosphorus deficiency symptoms in pepper von Qu, Jianhua, Li, Yuhui, Sun, Hebang, Liu, Ruixin, Han, Yue, Bi, Fuxuan, Fan, Hongli, Zhang, Guosheng, Zhang, Yupeng, Wang, Yifan, Cao, Weidong, Zhang, Ying

“… [Display omitted] •Composite mineral (BM-Sep2PR1) is prepared by ball milled sepiolite/phosphate rock.•Addition of BM-Sep2PR1 significantly decreases the …”
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Recovery of rare earth elements from phosphate rock by hydrometallurgical processes – A critical review von Wu, Shengxi, Wang, Liangshi, Zhao, Longsheng, Zhang, Patrick, El-Shall, Hassan, Moudgil, Brij, Huang, Xiaowei, Zhang, Lifeng

“… •Technologies for rare earth elements (REEs) recovery in the decomposition processes of phosphate rock are reviewed.•Methods for REEs recovery from …”
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Enhanced reduction of lead bioavailability in phosphate mining wasteland soil by a phosphate-solubilizing strain of Pseudomonas sp., LA, coupled with ryegrass (Lolium perenne L.) and sonchus (Sonchus oleraceus L.) von Xiao, Chunqiao, Guo, Shuyu, Wang, Qi, Chi, Ruan

“… Due to ecologically unsustainable mining strategies, there remain large areas of phosphate mining wasteland contaminated with accumulated lead (Pb). In this …”
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Enhanced acidolysis of phosphate rock and controlled phosphogypsum crystallization via high shear reactor von Shan, Guixuan, Yang, Xinhui, Huo, Xinyi, Ma, Kangkang, Abrar, Laiba, Li, Xiaoning, Yao, Long, Zhao, Yu, Chi, Ru'’an, Long, Bingwen, Li, Wei, Zhang, Jinli

“… Phosphoric acid, vital for fertilizers and new energy materials, is produced via sulfuric acidolysis of phosphate rock (PR). Conventional dihydrate processes …”
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New insights into defluoridation via induced crystallization: Implications of phosphate species regulation for process efficiency and economics von Deng, Linyu, Wang, Yuan, Yang, Haolan, Zhang, Ruiyi, Huang, Tinglin

“… [Display omitted] •F and P in the effluent were 0.45 and 0.05 mg·L−1 with mixed phosphates precipitant.•Two F removal pathways are F + P + Ca → FAP and …”
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Natural radioactivity and radiation hazard assessment of industrial wastes from the coastal phosphate treatment plants of Gabes (Tunisia, Southern Mediterranean Sea) von El Zrelli, Radhouan, Rabaoui, Lotfi, van Beek, Pieter, Castet, Sylvie, Souhaut, Marc, Grégoire, Michel, Courjault-Radé, Pierre

“… This work is a first contribution to the knowledge of natural radionuclides (226Ra, 238U, 40K, and 232Th) activities in phosphate rock (NORM), phosphogypsum, …”
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Fertiliser availability in a resource-limited world: Production and recycling of nitrogen and phosphorus von Dawson, C.J., Hilton, J.

“… ► Nitrogen fertiliser inputs to agriculture are essential for global production of sufficient food. ► Methane is the most efficient hydrogen feedstock and …”
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Unconventional uranium in China's phosphate rock: Review and outlook von Shang, Delei, Geissler, Bernhard, Mew, Michael, Satalkina, Liliya, Zenk, Lukas, Tulsidas, Harikrishnan, Barker, Lee, El-Yahyaoui, Adil, Hussein, Ahmed, Taha, Mohamed, Zheng, Yanhua, Wang, Menglai, Yao, Yuan, Liu, Xiaodong, Deng, Huidong, Zhong, Jun, Li, Ziying, Steiner, Gerald, Bertau, Martin, Haneklaus, Nils

“… Some phosphate rock contains elevated concentrations of natural uranium. China is the largest phosphate rock producing country in the world and will soon have …”
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Kinetic analysis on carbothermal reduction process of phosphorite based on the isoconversional methods von Yang, Bin, Ge, Zhiwei, Zhang, Xujie, Guo, Liejin

“… •Isoconversional kinetics is applied to phosphorite carbonthermal reduction process.•This process is a complex reaction and can be divided into two stages.•The …”
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Adsorption of lead(II) onto magnetic chitosan@calcium phosphate rock biocomposite von Billah, Rachid El Kaim, Islam, Md Aminul, Khan, Moonis Ali, Nazal, Mazen K., Bahsis, Lahoucine, Achak, Mounia, Mahmoud, Alaa El Din, Aziz, Md Abdul, Jeon, Byong-Hun

“… A new magnetic chitosan@calcium phosphate rock (MCs@CPR) biocomposite was synthesized to be an efficient adsorbent for lead (II) adsorption from water. The …”
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Catalytic effect of Mn2+, Fe3+ and Mg2+ ions on desulfurization using phosphate rock slurry as absorbent von Nie, Yunxiang, Li, Shuai, Dai, Jinfeng, He, Dedong, Mei, Yi

“… [Display omitted] •The promotion effect of Mn2+, Fe3+ and Mg2+ on SO2 removal is revealed.•Trace Mn2+ and Fe3+ ions can enhance about 19%–31.5% SO2 adsorption …”
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PHOSPHATE FERTILIZERS MARKETED IN RUSSIA AS A SOURCE OF RARE EARTH ELEMENTS IN THE SOIL von Kotelnikova, Anna D., Kolchanova, Ksenia A., Shishkin, Mikhail A., Rogova, Olga B.

“… Phosphate fertilizers actively used in agriculture can serve as a source of various impurities in the soil, which can have a negative impact on environmental …”
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Advanced oxidation processes for wet-process phosphoric acid: Enhanced phosphorus recovery and removal of organic matters von Zhou, Yuhe, Zheng, Guocan, Long, Youqin, Liu, Zuohua, Tao, Changyuan, Liu, Renlong

“… Green and efficient phosphorus leaching from phosphate rock (PR) is the key to producing high-quality products and reducing energy consumption. Organic matters …”
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The M.sub.2.sub.2?.sub.8 cyclic tetramer - a flexible structure-building unit - Part 1: Primary pegmatite phosphate minerals von Grey, Ian Edward

“… The minerals of the triphylite, alluaudite, zwieselite, and graftonite groups are amongst the most abundant of the primary phosphate minerals in granitic …”
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Mechanism investigation on yellow phosphorus inducing O, O3 and OH• radicals in phosphate rock slurry for high-efficiency NO oxidation von Nie, Yunxiang, Xu, Lei, Yang, Yifan, He, Dedong, Mei, Yi

“… [Display omitted] •The O, O3 and OH• are generated by the reaction of P4 with O2.•The O and OH• play an extremely critical role in the efficient oxidation of …”
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The story of phosphorus: Global food security and food for thought von Cordell, Dana, Drangert, Jan-Olof, White, Stuart

“… Food production requires application of fertilizers containing phosphorus, nitrogen and potassium on agricultural fields in order to sustain crop yields …”
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Effect of Mo[O.sub.3], [Nd.sub.2][O.sub.3], and Ru[O.sub.2] on the crystallization of soda-lime aluminoborosilicate glasses von Chouard, N, Caurant, D, Majerus, O, Dussossoy, J.L, Klimin, S, Pytalev, D, Baddour-Hadjean, R, Pereira-Ramos, J.P

“… The effect of adding [Nd.sub.2][O.sub.3], Mo[O.sub.3], and Ru[O.sub.2] separately or simultaneously on the crystallization of a soda-lime aluminoborosilicate …”
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Moabite, NiFe.sup.3+O, a new natural oxyphosphate von Britvin, Sergey N, Murashko, Mikhail N, Krzhizhanovskaya, Maria G, Vapnik, Yevgeny, Vlasenko, Natalia S, Vereshchagin, Oleg S, Pankin, Dmitrii V, Vasiliev, Evgeny A

“… Moabite, NiFe.sup.3+ (PO.sub.4 )O, is a new natural oxyphosphate discovered in pyrometamorphic rocks of the Daba-Siwaqa complex, a subdivision of the Hatrurim …”
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Selective extraction of uranium from nitric acid leachate of Minjingu rock phosphate von Soni, Raghav S., Thakkar, Hitarth K., Haneklaus, Nils H., Mwalongo, Dennis A., Patwardhan, Ashwin W., Ghosh, Pushpito K.

“… A sample of beneficiated rock phosphate from Minjingu Mine and Fertilizer Plant, Tanzania was analysed by energy-dispersive X-ray fluorescence (ED-XRF) …”
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Uranium in Moroccan phosphate rock and derivatives: Occurrence, redistribution, and radiological considerations von Arhouni, Fatima Ezzahra, Abdo, Maged Ahmed Saleh, Ouakkas, Saad, Boukhair, Aziz

“… Morocco holds the world's largest reserves of phosphate rock, which play a pivotal role in its economy through fertilizer production and global export …”
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