Relevant bibliographies by topics / Refractory ore

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Refractory ore'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Refractory ore"

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Dar, Nei Sung. "Study on the Analysis of Chromite Refractory Brick from Mwe Taung Chromite Ore." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 1860–63. https://doi.org/10.5281/zenodo.3591637.

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This research paper is the preliminary study of testing the feasibility of chromite ore to produce refractory. Chromite ore was taken from Mwe Taung, in Chin State, Myanmar. Chromite ore contains iron oxide, alumina, magnesia, lime, chromic oxide and silica. The prepared chromite has been extensively used for high temperature metallurgical reactions. The chemical analysis of chromite ore was done to know the composition. Composition expresses the percentage of oxide component which can able to determine whether the refractory is acidic, basic or neutral. The chromite ore studied in this resear
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Seitkan, A. S., and S. A. T. Redfren. "Arsenic in refractory gold ore processing." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 317, no. 2 (2021): 5–13. http://dx.doi.org/10.31643/2021/6445.12.

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With "easy" ores becoming diminished, extractive industries are now shifting towards difficult deposits. In the future, gold-arsenic-bearing refractory ores will represent a prime example of the type of ores that may become more typical sourse for global gold recovery operations. Mining and beneficiation of As-bearing ores inevitably produce As-bearing wastes, which exacerbate any natural As mobilization. The mobility of As is governed by the interplay of redox reactions, adsorption/desorption, ion exchange, precipitation/dissolution, and biotransformation. The dominant processes depend on loc
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Antropova, Inna Germanovna, Pavel Anatolevich Gulyashinov, Aryuna Dugarzhapovna Budaeva, Ilya Punsukovich Dashiev, and Darya Petrovna Khomoksonova. "Processing of Oxidized Lead–Zinc Ore by Co-Roasting with Pyrite-Bearing Ore." Minerals 14, no. 12 (2024): 1241. https://doi.org/10.3390/min14121241.

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The world reserves of oxidized lead–zinc ores are large, but their processing faces significant difficulties due to their refractory nature. This paper presents a novel approach to the preparation of refractory oxidized lead ores for flotation. The proposed method is based on the co-roasting of oxidized lead-bearing ores from the Ozernoye polymetallic deposit (Western Transbaikalia, Russia) with fine-grained sulfide lead–zinc ore sourced from the same deposit and the addition of calcium oxide. This method allows for the activation of mineral complexes, the sulfidation of oxidized lead–zinc min
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Liu, Zuo Hua, Yan Li, Xiao Xia Zhou, Jun Du, and Chang Yuan Tao. "Research Progress of Electro-Oxidation Intensification Leaching for Refractory Ore." Advanced Materials Research 236-238 (May 2011): 775–80. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.775.

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The electrochemical leaching technology for complex refractory ore was studied for its high flexibility, easy operation and little pollution. Several typical applications of electrochemical leaching technology for complex refractory ore were reviewed. It is pointed out that out-field intensification and multifield coupling technology was the development trend for ore processing.
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Han, Xiu Li, Chang Cun Li, Li Na Liu, Ming Yan Yao, and Xin Fu Liu. "Research on Technological Mineralogy of Refractory Hematite Ore." Applied Mechanics and Materials 117-119 (October 2011): 1479–82. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1479.

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The characteristics of the texture, dissemination grain size, mineral composition and content of the refractory hematite ore are researched systematically. The result shows that: the ore is be of colloidal texture, complex mineral contents, fine dissemination grain size, so the ore is difficult to be separated. In order to get the idea result of processing, the ore must be ginded and concentrated stagely.
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Mao, Ying Bo, Shu Ming Wen, Jian Jun Fang, Zhi Chong Wei, Tie Min Zhang, and Tai Guo Jiang. "Experimental Investigation on Flotation of Refractory Copper Oxidized Ore." Applied Mechanics and Materials 522-524 (February 2014): 1509–12. http://dx.doi.org/10.4028/www.scientific.net/amm.522-524.1509.

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To improve the recovery of copper from refractory copper oxidized ore by sulfidization-flotation process. The result determined the optimal flotation process parameters of refractory copper oxidized ore, and the better quota selecting separately obtained by a large number of research. The copper concentrate grade reaches 10.85%, the recovery reaches 57.41%.
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Hapid, Abdul, Siti Zullaikah, Mahfud Mahfud, and Adji Kawigraha. "Effect of Power and Exposure Time on the Microwave-Assisted Roasting of Refractory Gold Ore." Materials Science Forum 1113 (February 15, 2024): 111–17. http://dx.doi.org/10.4028/p-l8nrjw.

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Reserves of high-grade gold ore worldwide are decreasing, and some industries have started processing refractory gold ore. Refractory gold ore contains sulfide minerals such as pyrite (FeS2), chalcopyrite (CuFeS2), galena (PbS), and sphalerite (ZnS). Gold in refractory ores occurs as fine-size gold-bearing sulfide minerals. In this study, the microwave-assisted roasting method has been investigated as a pretreatment for a refractory gold ore. This method can provide rapid heating radiation, cause micro-cracks, and trigger the decomposition of sulfide minerals. The presence of additive helps in
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Wang, Song, Jia Ping Zheng, Xiao Pei Zhang, and Shun Ran Wang. "Discussion on the Types Attribution and Comprehensive Utilization of High-Alumina Clay Ore." Advanced Materials Research 807-809 (September 2013): 2209–14. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.2209.

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High-Alumina clay ore is the protective exploitation of mineral stipulated by the Ministry of Land and Resources. Due to its physicochemical properties and ore characteristics are quite different from current ore types --refractory clay mineral. It is usually taken as a general refractory clay mine of high-Alumina clay in practical applications, which leads to massive misuse and great waste of high-Alumina clay ore. This paper will redefine the attribuation of high-Alumina clay ore by analysing its differences and similarities with refractory clay minerals and bauxite mines in mineralogy, rock
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Ardian, Fahny, Infantri Putra, Attar Zidan Mahendra, and Rakha Ammarsetya Nugeraha. "Study of Gold Extraction Based on Ore Characteristics using Hydrometallurgy in PT XYZ." IOP Conference Series: Earth and Environmental Science 1451, no. 1 (2025): 012028. https://doi.org/10.1088/1755-1315/1451/1/012028.

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Abstract Gold extraction is a vital process in the mining industry, as gold is a valuable and highly sought-after metal. A detailed mineralogical and characteristics study of refractory gold ores from PT XYZ was conducted. The primary components of refractory ores were silicates, carbonates, oxides, carbon, and sulfides. Because refractory ore contains contaminants that impact gold recovery, pre-treatment is necessary before processing to maximize gold recovery. To maximize the percentage of gold recovery, the refractory ore type in this study will be subjected to a pre-treatment technique cal
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GROUDEV, S. N., I. I. SPASOVA, V. I. GROUDEVA, and I. M. IVANOV. "Heap Biooxidation - Bioleachingofa Refractory Gold-Bearing Ore." Mineral Processing and Extractive Metallurgy Review 19, no. 1 (1998): 227–34. http://dx.doi.org/10.1080/08827509608962442.

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Dissertations / Theses on the topic "Refractory ore"

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Upp, Oden Karen Lee 1959. "Bacterially catalyzed reductive dissolution of manganese for the liberation of silver from refractory ore." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/277986.

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This research focuses on the development of a biological treatment process to enhance silver recovery from a low grade, silver-bearing manganese ore. These manganese oxide ores have been classified as refractory and thereby characterized noncommercial for the recovery and production of silver by conventional methods. A species of Bacillus polymyxa, which was isolated from the Crystal Hill Mine in southern Colorado, facilitated the reductive dissolution of manganese dioxide. Insoluble Mn(IV) was reduced to soluble Mn(II), and silver ions contained within the manganese oxide lattice were release
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Lorenzen, Leon. "A fundamental study of the dissolution of gold from refractory ores." Thesis, Stellenbosch : Stellenbosch University, 1992. http://hdl.handle.net/10019.1/69492.

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Thesis (PhD)--Stellenbosch University, 1992.<br>ENGLISH ABSTRACT: The dissolution of gold from refractory ores is a complex kinetic problem involving a number of chemical, mass transport and mineralogical factors. In most Witwatersrand ores in South Africa more than 97 % of the gold is dissolved in cyanide medium after a residence time of about 16 hours in pachuca tanks. This high percentage may be the reason why so little fundamental research has been done into the mechanism and kinetics of the leaching process. With the increasingly lower grades of ore mined, the intr
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Chandraprabha, M. N. "Studies On Bio-Oxidation A Refractory Gold Containing Sulphidic Concentrate With Respect To Optimization And Modeling." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/188.

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Although bacterial leaching of sulphidic minerals is a well-known phenomenon, it is only in the last ten years that full-scale bacterial leaching plants have been commissioned for gold processing. In order for bacterial leaching to compete successfully with other pretreatment processes for refractory ores, particularly with established technologies such as roasting and pressure leaching, it needs to be efficient. This requires the optimization of the parameters affecting the leaching reaction and the growth of bacteria. The entire biotreatment process is agitation leaching, carried out in
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Chandraprabha, M. N. "Studies On Bio-Oxidation A Refractory Gold Containing Sulphidic Concentrate With Respect To Optimization And Modeling." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/188.

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Although bacterial leaching of sulphidic minerals is a well-known phenomenon, it is only in the last ten years that full-scale bacterial leaching plants have been commissioned for gold processing. In order for bacterial leaching to compete successfully with other pretreatment processes for refractory ores, particularly with established technologies such as roasting and pressure leaching, it needs to be efficient. This requires the optimization of the parameters affecting the leaching reaction and the growth of bacteria. The entire biotreatment process is agitation leaching, carried out in st
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Flatt, James R. "The kinetics of pyrite and elemental sulfur reactions during nitric acid pre-oxidation of refractory gold ores /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phf586.pdf.

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Armstrong, John P. "Variations in silicate and sulphide mineral chemistry between free-milling metallic and refractory invisible gold ores, Con Mine, Yellowknife, Northwest Territories." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ28472.pdf.

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Van, der Merwe Ryno. "Leaching characteristics of copper refractory ore : effect of pre-oxidation stage." Thesis, 2010. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000303.

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M. Tech. Metallurgical Engineering.<br>A novel process of leaching copper refractory ore from Nchanga mine, Zambia, in two stages consisting of a pre-oxidation step and an acid dissolution stage was investigated by means of a leach test rig.
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Afidenyo, JAMES. "Microbial Pre-treatment of Double Refractory Gold Ores." Thesis, 2008. http://hdl.handle.net/1974/1465.

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The use of microorganisms notably bacteria in mineral processing industry is presently one of the leading emerging pre-treatment techniques being employed for the processing of double refractory gold ores and concentrates. Currently numerous studies are in progress to further improve upon the efficiency of the bacterial process and to investigate the potential of other microorganisms. In this study, microbial pre-treatment of double refractory gold ore (sample A) and concentrate (sample B) was investigated using a white-rot fungus, Tramestes versicolor (ATTC 20869). Pulp density, temperature,
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Bouffard, Sylvie. "Understanding the heap biooxidation of sulfidic refractory gold ores." Thesis, 2003. http://hdl.handle.net/2429/14775.

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An investigation has been conducted into the nature and rates of the physical, chemical, biological, and thermal processes involved in the heap biooxidation of pyrite from refractory gold ores. A heap-scale model of the ideal process was developed, aided by a systematic experimental approach, which accounts for the following phenomena. Grain-Scale Kinetics - The thermal and chemical functionals driving the oxidation kinetics of the pyritic ore sample were modeled from batch, potentiostatic stirredtank leaching tests using a pyrite concentrate prepared by flotation from the bulk ore. P
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Mbayo, Jean Jacques Kalombo. "Improving the gold leaching process of refractory ores and tailings using the Jetleach reactor." Thesis, 2020. https://hdl.handle.net/10539/31306.

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A dissertation submitted to the faculty of Engineering and the Built Environment, University of Witwatersrand, in fulfillment of the requirements for the degree of Master of Science in Engineering, 2020<br>The cyanidation process of refractory gold ores has been the subject of numerous investigations aimed at improving the gold recovery and the leaching kinetics. Many pretreatments methods have been developed in this regard and numerous new leaching configurations have been introduced in the process. However, even after many improvemen
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Books on the topic "Refractory ore"

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E, Gills T., and United States. National Bureau of Standards, eds. Summary of the coal, ore, mineral, rock, and refractory standards issued by the National Bureau of Standards. U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Mavrodineau, R. Summary of the coal, ore, mineral, rock, and refractory standards issued by the National Bureau of Standards. National Bureau of Standards, 1985.

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Geological. U.S. Department of Commerce, National Institute of Standards and Technology, 1989.

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Yousefshahi, Fardin, Giuliano Michelagnoli, and Juan Francisco Asenjo. Ketamine Use and Opioid-Tolerant Cancer Patients. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190271787.003.0031.

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Pain occurs in up to 70% of cancer patients and it can be challenging to manage. The standard for analgesic therapy is the World Health Organization ladder; however, up to 25% of patients don’t reach a level of comfort using this approach. Ketamine has been recognized as an excellent adjuvant for cancer pain treatment, especially when other analgesics have failed. Some randomized clinical trials have confirmed ketamine’s efficacy in refractory cancer pain, but most had small sample sizes and low power. Some publications have confirmed the beneficial effect of oral, intranasal, subcutaneous, or
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Wijdicks, Eelco F. M., and Sarah L. Clark. Antiepileptic Drugs. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190684747.003.0006.

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Patients are often admitted to the neurosciences intensive care unit specifically for the treatment of a series of seizures or focal status epilepticus. Far more urgent is convulsive status epilepticus, which requires multiple intravenously administered antiepileptic drugs. The choices are different when the patient is in status epilepticus and refractoriness is mostly due to pharmacologic resistance. Use of an algorithm for decision making is common in the management of refractory status epilepticus. Antiepileptic drugs often interact with other antiepileptic drugs. This chapter discusses the
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Wells, Elizabeth M. Anti-N-Methyl-D-Aspartate Receptor Encephalitis. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199937837.003.0091.

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Anti- N-methyl-D-aspartate receptor (NMDAR) encephalitis is a severe but treatable recently identified form of immune-mediated encephalitis associated with antibodies in serum and cerebrospinal fluid (CSF) against the GluN1 subunit of the NMDAR. Research has rapidly expanded the understanding of disease mechanisms and how the condition manifests in different populations (e.g., pediatrics vs. adult, cancer vs. noncancer, male vs. female). Immunocytochemical, physiological, and molecular studies of the effects of human CSF on the rodent and murine brain in vitro and in vivo indicate a noncytotox
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Arthur, Joseph. Palliative Sedation Therapy and Survival (DRAFT). Edited by Nathan A. Gray and Thomas W. LeBlanc. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190658618.003.0045.

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Patients with advanced illness sometimes experience severe and debilitating physical and psychological symptoms at the end of life that may be refractory to all kinds of conventional treatments available for symptom relief. In such situations, palliative sedation therapy (PST) may be indicated. However, its utilization has been subject to debate. One viewpoint is that PST may hasten death. However, some studies have indicated otherwise. This chapter discusses a multicenter, prospective, observational, nonrandomized population-based study that compared the overall survival of a cohort of termin
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Chong, Ji Y., and Michael P. Lerario. Recurrent Headaches. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190495541.003.0033.

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Cavernous malformations may cause intracerebral hemorrhage and seizures. Surgical resection is considered in patients with accessible lesions and recurrent hemorrhage or refractory seizures. However, current nonrandomized data suggest that nonsurgical treatment of these lesions may be superior. Cavernous malformations may be familial.
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Barthélémy, Romain, Etienne Gayat, and Alexandre Mebazaa. Pathophysiology and clinical assessment of the cardiovascular system (including pulmonary artery catheter). Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199687039.003.0014.

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Haemodynamic instability in acute cardiac care may be related to various mechanisms, including hypovolaemia and heart and/or vascular dysfunction. Although acute heart failure patients are often admitted for dyspnoea, many mechanisms can be involved, including left ventricular diastolic and/or systolic dysfunction and/or right ventricular dysfunction. Many epidemiological studies show that clinical signs at admission, morbidity, and mortality differ between the main scenarios of acute heart failure: left ventricular diastolic dysfunction, left ventricular systolic dysfunction, right ventricula
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Stafstrom, Carl E. Alternative Therapies for Epilepsy. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199937837.003.0046.

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Up to one third of patients with epilepsy suffer from seizures that are refractory to medications. For these patients, many of whom are not surgical candidates, dietary therapies provide a promising alternative. The best known dietary therapy is the ketogenic diet, which was developed in the 1920s; newer variants of the ketogenic diet, such as the medium-chain triglyceride diet, modified Atkins diet, and low glycemic index treatment, afford excellent seizure control with fewer dietary restrictions. Together, dietary approaches offer drug-resistant patients hope for seizure reduction and an imp
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Book chapters on the topic "Refractory ore"

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Fan, Xiaohui, Zhiyun Ji, Min Gan, Xuling Chen, Wenqi Li, and Zhiyuan Yu. "Strengthening Refractory Iron Ore Sintering with Biomass Fuel." In 3rd International Symposium on High-Temperature Metallurgical Processing. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118364987.ch44.

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Liu, Kang, Zhiping Yang, Fengqi Zhao, Liuyin Shi, Yan Song, and Xing Fan. "Extracting Uranium and Molybdenum from Refractory U–Mo Associated Ore." In Rare Metal Technology 2018. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72350-1_23.

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Wang, Jing, Tao Xiao, Jinxiang You, Jun Luo, Zhiwei Peng, and Mingjun Rao. "Preparation of Forsterite-Spinel Refractory from MgO-Rich Residue Derived from Ludwigite Ore." In The Minerals, Metals & Materials Series. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50304-7_26.

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Feng, Luxing, Jiandong Chen, Xiao Zhang, Hongchuan Zuo, and Hanjie Guo. "Separation and Recovery of Iron from Low-Grade Refractory Iron Ore by Magnetizing Roasting." In The Minerals, Metals & Materials Series. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92388-4_34.

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Lai, Guodong, Zebiao Zhang, Jinhui Peng, Lijuan Chu, and Shixing Wang. "Dephosphorization of Yunnan Refractory High- Phosphorus Low-Manganese Ore by Shaking Table and Hydrometallurgical Processing." In T.T. Chen Honorary Symposium on Hydrometallurgy, Electrometallurgy and Materials Characterization. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118364833.ch72.

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Matiolo, Elves, Amanda Soares de Freitas, Gaspar Rodrigues Moreira, and Thalia Lopes de Sousa. "Sulphide Mineral-Bearing Gold Flotation at Bench and Pilot Scale from a Refractory Gold Ore." In Proceedings of the 62nd Conference of Metallurgists, COM 2023. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38141-6_79.

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Yang, Yongbin, Shiqian Liu, Bin Xu, Qian Li, Tao Jiang, and Peng Lv. "Extraction of Gold from a Low-Grade Double Refractory Gold Ore Using Flotation-Preoxidation-Leaching Process." In Rare Metal Technology 2015. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093244.ch7.

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Yang, Yongbin, Zhaohui Xie, Bin Xu, Qian Li, and Tao Jiang. "Gold Extraction from a High Carbon Low-Grade Refractory Gold Ore by Flotation-Roasting-Leaching Process." In Rare Metal Technology 2015. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093244.ch8.

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Yang, Yongbin, Shiqian Liu, Bin Xu, Qian Li, Tao Jiang, and Peng Lv. "Extraction of Gold from a Low-Grade Double Refractory Gold Ore Using Flotation-Preoxidation-Leaching Process." In Rare Metal Technology 2015. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48188-3_7.

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Yang, Yongbin, Zhaohui Xie, Bin Xu, Qian Li, and Tao Jiang. "Gold Extraction from a High Carbon Low-Grade Refractory Gold Ore by Flotation-Roasting-Leaching Process." In Rare Metal Technology 2015. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48188-3_8.

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Conference papers on the topic "Refractory ore"

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Bennett, J. P., K. S. Kwong, A. V. Petty, R. Krabbe, and H. Thomas. "The Corrosion of High Chrome Oxide Refractory Liners in Slagging Gasifiers by Carbon Feedstock Impurites." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09262.

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Abstract Gasifiers are high temperature, high pressure containment vessels used to convert carbon feedstock, such as coal or petcoke, into H2 and CO, called syngas. The syngas produced by gasification is used as a fuel in energy production or as a raw material feedstock for chemical synthesis. Slagging gasifiers used in gasification operate at temperature between 1325-1575°C and pressures between 2.1-6.9 MPa; and are lined with high chrome oxide refractory materials. Impurities exist in the carbon feedstock, which include Si, Fe, Ca, Al, Na, and S in coal; and include additional elements of Ni
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Keiser, James R., Roberta A. Peascoe, James G. Hemrick, et al. "Materials Performance in High-Temperature Black Liquor Gasification." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05314.

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Abstract Combined cycle gasification of the black liquor waste stream generated in pulp and paper mills offers the potential for more efficient recovery of the energy content of the stream as well as a reduction in emissions and operation of a system without the potential for molten smelt - water explosions. Many companies and organizations have studied, proposed and/or developed black liquor gasification systems. Two of these have been taken to the stage of implementation in operating North American mills. The lower temperature process is being employed at two semi-chem mills; one in Big Isla
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Bennett, James P., Kyei-Sing Kwong, Hugh Thomas, Anna Nakano, and Jinichiro Nakano. "Microstructure and Corrosion of Phosphate Containing Cr2o3 Gasifier Refractories." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05974.

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Abstract Gasification is an efficient, environmentally clean technology capable of processing a variety of abundant natural carbon sources or industry wastes/byproducts such as coal, petroleum coke, or biomass into CO and H2 (synthesis gas, or syngas) used in the production of electric power or chemicals. Gasification is considered an important option in future energy or chemical production because of its efficiency and because environmental pollutants such as SO3 and mercury are easily captured. However, the short service life of the Cr2O3 refractory used to protect the outer steel containmen
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Deng, Shun-Ming, and Jian-Tao Lang. "Preferential Flotation of a Refractory Cu-Pb-Zn Polymetallic Ore." In 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017). Atlantis Press, 2018. http://dx.doi.org/10.2991/ifeesm-17.2018.354.

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Maksimenko, V. V., I. A. Proskuryakova, S. A. Antropov, S. S. Orlov, and S. S. Minikh. "SPECIFICS OF PROCESSING HIGH-TELLURIUM GOLD ORES." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.89-91.

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Tellurium-bearing gold ore is an important type of refractory material. Its specifics are driven by its limited occurrence in nature and the need for special processing methods. According to the classification provided by V.V. Lodeyshchikov, this material is a type C refractory ore containing impurities causing chemical gold depression during cyanide leaching.
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Putra, Y. H., Z. Zulhan, A. D. Pradana, D. R. Pradana, and T. Hidayat. "The interaction between slag and MgO refractory at conditions relevant to nickel laterite ore smelting." In 12th International Conference of Molten Slags, Fluxes and Salts (MOLTEN 2024) Proceedings. Australasian Institute of Mining and Metallurgy (AusIMM), 2024. http://dx.doi.org/10.62053/grtd1797.

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The high temperature processing of nickel laterite ore is currently dominated by the Rotary Kiln-Electric Furnace (RKEF) technology. The ratio of SiO2/MgO (S/M) in the ore is one of the critical parameters that determines the success of the RKEF process. Incompatible S/M ratios in the ore can cause aggressive chemical interaction between the slag and MgO refractory. The slag-refractory interaction at conditions relevant to nickel laterite ore smelting was investigated in the present study. Synthetic mixtures representing the slag compositions of nickel laterite ore smelting were prepared by mi
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Seifelnassr, A., and F. Pooley. "Biologically assisted ferric ion leaching of a refractory copper sulphide ore." In The 8th International Mineral Processing Symposium. CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-107.

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Zhu, Bin, and Zhenbo Cai. "Experimental study on beneficiation technology of refractory gold ore in Guangxi." In 2012 4th Electronic System-Integration Technology Conference (ESTC). IEEE, 2012. http://dx.doi.org/10.1109/estc.2012.6485669.

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Zhang, Pengfei, Haiyun Xie, Chao Ding, Likun Gao, and Xiong Tong. "Study on Beneficiation of a Refractory Low Grade Oxidized Zinc Ore." In 2016 5th International Conference on Sustainable Energy and Environment Engineering (ICSEEE 2016). Atlantis Press, 2016. http://dx.doi.org/10.2991/icseee-16.2016.126.

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Xie, Haiyun, Rongxin Liu, Pengfei Zhang, Chao Ding, and Xiong Tong. "Study on Mineral Processing of a Refractory Low Grade Ilmenite Ore." In 2016 5th International Conference on Sustainable Energy and Environment Engineering (ICSEEE 2016). Atlantis Press, 2016. http://dx.doi.org/10.2991/icseee-16.2016.138.

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Reports on the topic "Refractory ore"

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Shujaa, Asaad Suliman, and Qasem Almulihi. The efficacy and safety of ketamine in treating refractory and super-refractory status epilepticus in pediatric and adult populations, A systemic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.11.0011.

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Review question / Objective: This study is to assess the efficacy and safety of ketamine in treating refractory and super-refractory status epilepticus in pediatric and adult populations. Rationale: Refractory status epilepticus (RSE) is either generalized or complex partial status epilepticus (SE) that fails to respond to first and second-line therapies. Super refractory status epilepticus (SRSE) is SE that remains unresponsive despite 24 hours of therapy with general anesthesia [1, 2]. Both RSE and SRSE pose significant challenges for the managing intensivist. There exists a race against tim
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Ebel, Denton S., Marina E. Gemma, Michael K. Weisberg, and Jon M. Friedrich. Metal - Forsterite Condensate Nodules and H-L-LL Compositions. American Museum of Natural History, 2024. https://doi.org/10.5531/sd.eps.9.

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Compared to the carbonaceous chondrites (CC), ordinary chondrites (OC) are depleted in Mg and refractory lithophile elements. The OC are classified by a trend from high metal (H) to low total iron (L) to low total iron and low metal (LL) compositions with increasing heavy O isotopes and refractory siderophile enrichment. We surveyed many CC for primitive materials that might be analogs of components that formed in, and then escaped, originally solar composition reservoirs from which OCs formed. Amoeboid olivine aggregates (AOA) are nodular accretions with discrete refractory Ca-, Al-, Ti-rich
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Wing-hei Leung, Phoebe. Presurgical Evaluation of Patients with Epilepsy— the Wada Test. World Federation of Societies of Anaesthesiologists, 2022. http://dx.doi.org/10.28923/atotw.474.

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The Wada test is one of the diagnostic tests performed in the presurgical evaluation of patients with medically refractory epilepsy that is amenable to surgical treatment. This article introduces the background of Wada testing, how it is done, its limitations, and the anaesthetic management of patients undergoing this test.
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MacAskill, Findlay, and Arun Sahai. First choice for refractory OAB: botulinum toxin A or sacral neuromodulation? BJUI Knowledge, 2024. http://dx.doi.org/10.18591/bjuik.0055.v2.

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Lin, Zhijuan, Xing Chen, Long Liu, Zhifeng Li, and Bing Xu. Chemo-Free Treatments in Relapsed and/or Refractory Follicular Lymphoma: A Network Meta-Analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.11.0111.

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Review question / Objective: FL is the most common indolent B cell lymphoma worldwide and patients with FL always have long term survival. However, advanced FL remains incurable and there is no universal agreement on optimal regimen to manage relapsed FL. Condition being studied: The efficacy of chemo-free regimens, including CD20 antibodies and targeted agents, in relapsed and/or refractory Follicular lymphoma. Information sources: We used the MEDLINE, Embase, and Cochrane Library databases to search the RCTs met our selection criteria. We also searched clinicalTrials.gov and the internationa
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Thongprasom, Kobkan, Pornpan Youngnak, and Vilaiwan Aneksuk. Hematological abnormalities in oral lichen planus, recurrent aphthous ulceration and stomatis or glossitis. Chulalongkorn University, 1998. https://doi.org/10.58837/chula.res.1998.12.

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Objective. The aim of this study was to analyse the hematologic status if Thai patients with oral lichen planus (OLP), recurrent aphthous ulceration (RAU) and stomatitis or glossitis (ST/GT). Study design. Sixty one patients were examined consecutively for hematological abnormalities including serum folate, red cell folate and serum vitamin B[subscribe12] levels. The patient were divide into 3 major groups with OLP(22), RAU(19) and ST/GT(20). Result. Low red cell folate and low serum with red cell folate were found in patients with OLP (11/22) , RAU(11/99) and ST/GT(8/20). However, there was n
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Park, Marcelo, and Ian Maia. The Extracorporeal Pulmonary Resuscitation Effect on Survival and Quality of Life in Refractory Cardiac Arrest Patients: A Systematic Review of the Literature with Metanalysis and Trial Sequential Analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2023. http://dx.doi.org/10.37766/inplasy2023.5.0011.

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Review question / Objective: Questions: Cumulative effects of the ECPR trials on the last reported quality of life (Cerebral performance category) (accomplishing in and/or out of hospital cardiac arrests). Cumulative effects of the ECPR trials on the last reported Survival. (accomplishing in and/or out of hospital cardiac arrests). Condition being studied: Inclusion criteria: Adult (&gt; 18 years-old) patients; Refractory cardiac arrest (&gt; 5 min); With or without hypothermia after resuscitation; Witness and assisted cardiac arrests; Any cardiac rhythm of cardiac arrest; Any mechanism of car
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Gong, Jun. Diminishing oncometabolic havoc: Approved IDH1 and IDH2 inhibitors in relapsed or refractory acute myeloid leukemia. Science Repository OU, 2018. http://dx.doi.org/10.31487/j.aco.2018.01.004.

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Guo, Jia, Xibin Hu, Lei Yao, et al. Prognosis After Surgery for Refractory Epilepsy Diagnosed by 18F-FDG PET/MRI. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.11.0049.

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Review question / Objective: The purpose of this study was to examine the prognostic status of PET/MRI on surgery in patients with refractory epilepsy, and the methods chosen were randomized controlled trials, cohort studies, and case series of &gt;15 patients. Condition being studied: Medically intractable epilepsy, characterized by recurrent episodes of tonicity, disorientation, spasms, and convulsions, affects 1-2% of the population because treatment trials with 3 or more different antiepileptic drugs have failed. Patients are selected for PET mainly because other standard noninvasive tests
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Zhu, Zhihong, Yue Zhuo, Haitao Jin, Boyu Wu, and Zhijie Li. Chinese Medicine Therapies for Neurogenic Bladder after Spinal Cord Injury: A protocol for systematic review and network meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.8.0084.

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Neurogenic bladder (NB), a refractory disease, is characterized by voiding dysfunction of bladder and/or urethra, and spinal cord injury (SCI) is a common cause. Chinese medicine therapies have been applied extensively in the treatment of neurogenic bladder, especially in China, and the results are promising but varying. Thus, the aim of this work is to assess the efficacy and safety of various Chinese medicine therapies for neurogenic bladder after spinal cord injury. Condition being studied: Chinese medicine therapies; Neurogenic bladder after spinal cord injury. Main outcome(s): The primary
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