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the moisture content to 3-4%. Phosphate rock or concentrate is graded according to its P2O5 content as furnace grade (16-24% P 2O5), fertilizer grade (25-31% P 2O5) and acid grade (>31% P 2O5). The major use of phosphate rock (90-95%) is in the manufacture of phosphate fertilizers, while the rest is used in the preparation of phosphoric acid ...
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north east of the Kakul. The PR reserves of Lagarban are . estimated up to 1.14 ... nitrophos (NP), and rock phosphate (RP) were added at 50, 60, and 70 kg ha−1, and their effects on plant ...
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Journal of Radioanalytical and Nuclear Chemistry, 2010. The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis (INAA). 25 phosphorite samples were collected from different phosphorite sites and 6 samples representing different batches …
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Various types of minerals, present in phosphate rock of Hazara area of Khyber Pukhtoonkhwa Province of Pakistan, were identified and their concentration was determined using a suitable method.
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Phosphogypsum is obtained by wet reaction of the igneous phosphate rock with concentrated sulphuric acid, giving as final product phosphoric acid and dihydrated calcium sulphate (CaSO 4.2H 2O) as ...
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Phosphate is non-renewable mineral. Estimated phosphate ores in Pakistan are 26 million ton of different range, low, average and high grade. In past, different methods were used for upgradation of ...
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Phosphate deposits of Kakul region is associated with cherty dolomite of Abbottabad formation. It has been reported that Kakul region contains two stratigraphic (Viqar et al., 1987). Although in the area there are two well-defined stratigraphic perspective of phosphate deposit. ... Sci., 2018, 8(2) Phosphate Rock Upgradation by Combination of ...
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Weighed 200 g sample of each rock phosphate (Guldania, Kakul and Paswal) in plastic bottle and reacted with the respective dilution and quantity of acid as per treatment plan. After the reaction ...
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Bhatti, N.A. 1977: Phosphate deposits of the Kakul area, Hazara District, North West Frontier Province in Pakistan Pages 69-98 1977 Sabiha-Javied; Waheed, S.; Siddique, N.; Shakoor, R.; Tufail, M. 2010: Measurement of rare earths elements in Kakul phosphorite deposits of Pakistan using instrumental neutron activation analysis Journal of ...
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Weighed 200 g sample of each rock phosphate (Guldania, Kakul and Paswal) in plastic bottle and reacted with the respective dilution and quantity of acid as per treatment plan. After the reaction, all the bottles were kept at room temperature for 90 days. Periodic analyses of the reacted rock phosphate were
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The present work aimed to study the selective leaching kinetics of calcareous phosphate rock from Haripur Hazara (Pakistan). Apatite reserves are located in the northeast of the country, Hazara Administrative Division of Pakistan, and are categorized as—Kakul and Lagarban, East phosphorite, South phosphorite, Oatkanala and Batkanala phosphorite.
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation...
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Introduction R ock phosphate is basically tri-calcium phosphate having unavailable form of phosphorus (Brady, 1990; Das, 2005).Approximately 90% of rock phosphate are used principally in the manufacture of granular and liquid phosphate fertilizers (Rabchevsky, 1997).The world known rock phosphate reserves are more than 40 billion metric tons which may sustain the …
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation …
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Kakul phosphate rock (average P205 28%, 61.18% BPL) is siliceous, therefore hard and slowly reactive. Laboratory as well as plant trials with 200 BSS mesh fine rock and 1:1.71 P2 05/acid weight ratio formed thinner slurries in the mixer as compared to Jordan rock slurry and could be hardly retained in the Den, necessitating further processing ...
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According to Khan et al. (2012) if 100 kg of Hazara rock phosphate is treated with the commercial sulfuric acid of 50% dilution (volume /volume), after proper processing, it will yield n/2(where n ...
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The concentration of 32 elements was determined in phosphate rock samples from the Hazara phosphate deposits of Pakistan using instrumental neutron activation analysis (INAA) technique employing ...
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis ...
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Geological selling and flotation studies of Kakul rock phosphate were carried out to upgrade the P2O5 (apatite ) content by removing the major impurity i.e. SiO2 (silica ). During grinding it was observed that at -36 + 72 mesh, SiO2, grains are physically liberated form P2O5 grains. The physically liberated panicles are then separated by flotation process with the help of different …
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Ten representative rock samples from Kakul phosphate deposit exposed near Abbotabad, Pakistan which are used for the manufacturing of fertilizers were studied for uranium content determination ...
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kakul rock of Hazara region was undertaken by conventional methods [11] and the results are shown in Table 1. Representative samples of Kakul rock of Hazara were grounded into desired …
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only Kakul Phosphate Mine is producing 60,000 ton of phosphate rock per year. These ore reserves are being exploited in manufacturing single super phosphate (SSP) at fertilizer plants in Pakistan [22]. The present study was undertaken to determine the REEs content of phosphate rock samples collected from Kakul mines of Pakistan. A
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The phosphate reserves in Pakistan are small. The largest ore body (Lagarban area) of Hazara Administrative Division located in the North East of the country has 3.25 (measured) and 6.71 (inferred) million tons phosphates rock of silicious and dolomitic nature with 25.8% average P2O5 contents besides high impurities of R2O3 (3.3%) and MgO (up to 6%).The deposits are not …
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The reserves of Phosphate rock in Hazara are of the order of 20 to 30 miilion tons of all grades. (surface estimates). Detailed work is ... The thickness of phosphate beds at Kakul is 5 to 10 feet. As the area is tightly folded and faulted it is difficult to give estimates of reserves at this Stage of investigations. However,
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DOI: 10.1016/S1350-4487(01)00185-8 Corpus ID: 94236424; Determination of uranium contents in rock samples from Kakul phosphate deposit, Abbotabad (Pakistan), using fission-track technique
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis (INAA). 25 phosphorite samples were collected from different phosphorite sites and 6 samples representing different batches from the crushing plant near …
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis (INAA). 25 phosphorite samples were collected from different phosphorite sites and 6 samples representing different batches from the crushing plant near Kakul Mine.
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Bhatti NA (1977) Phosphorite deposits of the Kakul-Mirpur area, Hazara District, N.W. Frontier Province, Pakistan. In: Notholt, AJG (ed.) Phosphate rock in the CENTO region (Iran, Pakistan, and Turkey). Working Group on Phosphates, Ankara, Turkey. Google Scholar
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About 10 representative rock samples of Kakul phosphate deposit were studied for uranium content determination with the help of Fission-Track and with Neutron Activation Analysis techniques. Each sample was split into three parts. The first and second part of each sample were subjected to Fission-Track analysis, while the third part was ...
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis (INAA). 25 phosphorite samples were …
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The Kakul rock phosphate deposits are not in a uniform grade. These include parts which are rich in phosphate (P2O3) and have silica (SiO2) in acceptable limits whereas some portions of these deposits contain low percentage of phosphate i.e. around 20% to 22% in average with a higher percentage of silica reaching to 36%. Therefore, the rock phosphate is extracted sorted and …
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Our study has shown that whereas the uranium series in phosphate rock is nearly in secular equilibrium, in super phosphate the226Ra and its progeny are depleted by 60–70%. This is a result of ...
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The rare earth elements (REEs) content of Kakul phosphate rock (PR) from different localities of the main Hazara deposits of Pakistan were determined using instrumental neutron activation analysis (INAA). 25 phosphorite samples were …
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The phosphate rock occurrences at Hazara inPakistan are apart of Cambrian-Jurassic sequence which hosts rock phos- phate associated with dolomite and chert. The …
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@misc{etde_21486831, title = {Mineralogical and textural characteristics of Kakul (Hazara) phosphate rock, NWFP, Pakistan} author = {Mehmood, R, Bhatti, M A, Kazmi, K R, Mehmood, A, Sheikh, S T, and Aleem Shah, S A} abstractNote = {Various types of minerals, present in phosphate rock of Hazara area of Khyber Pukhtoonkhwa Province of Pakistan, were …
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Various types of minerals, present in phosphate rock of Hazara area of Khyber Pukhtoonkhwa Province of Pakistan, were identified and their concentration was determined using a suitable …
WhatsApp: +86 18221755073