2022年10月1日· Selective separation of molybdenum(Mo) and vanadium(V) from hazardous secondary resources containing Mo and V has become a technical bottleneck of its resource utilization In this work, the selective separation of Mo and2023年8月15日· Metal separation 1 Introduction With excellent physicochemical properties including corrosion resistance, excellent hardness and tensile strength,Mechanistic investigation of intensified separation of
Volume 198, December 2020, Separation of tungsten and molybdenum using selective precipitation with manganese sulfate assisted by cetyltrimethyl ammonium2023年6月7日· Therefore, the separation process of molybdenum and vanadium has become an important step in the extraction metallurgy of molybdenum resourcesSeparation of Molybdenum and Vanadium | SpringerLink
2021年8月13日· This paper systematically analyzed the general situation of our country's molybdenum and vanadium mineral resources and secondary resources, focused on2022年2月2日· Separation and recovery of molybdenum and vanadium from leaching solution of spent catalyst are of great significance for resource utilization of spentSelective Separation of Molybdenum from Leaching Solution
2012年12月19日· This study confirmed that hydrophobic interaction chromatography (HIC) solid phase extraction (SPE) with PEG as stationary phase is an efficient and easily2016年5月23日· Cationic and solvating extractants are effective for the separation of molybdenum and vanadium from acidic solutions Amines are found to be the mostA review on the separation of molybdenum, tungsten, and
Published: 24 June 2021 Recovery of high specific activity molybdenum99 from acceleratorinduced fission on lowenriched uranium for technetium99m generators M2012年11月8日· Separation of Molybdenum from Tungstate Solution—Scavenging Thiomolybdate by Copper Compound Published: 08 November 2012 Volume 43 ,Separation of Molybdenum from Tungstate Solution
2012年3月1日· Jung Hun Seo, Marcel Guillong, Christoph A Heinrich; Separation of Molybdenum and Copper in Porphyry Deposits: The Roles of Sulfur, Redox, and pH in Ore Mineral Deposition at Bingham Canyon Economic Geology EasyBibVolkov, V (2006), “Separation of Rhenium from Molybdenum in Sulfuric Acid by Purolite A172 Resin,” Internal Purolite R&D Report (not published), Moscow Blokhin, A et al (2009), “Ion Exchange Recovery of Rhenium from Molybdenum Containing Sulfuric Acid Solutions,” Russian Journal Nonferrous Metals, N 7, 5356Ion exchange resins tailored for recovery and separation of
1985年10月6日· column separation of molybdenum(VI) and tungsten (VI) Experimental Materials Reagent grade Na2MoO42H2O and Na2WO42H2O were used for the preparation of metal ion stock solutions Analytical grade IDA resin was 10%2017年8月1日· Separation of molybdenum (VI) and tungsten (VI) from sulfuric acid solution by ion exchange with TEVA resin Sep Sci Technol, 50 (2015), pp 20602065 View in Scopus Google Scholar Nguyen and Lee, 2015b TH Nguyen, LeeSeparation of molybdenum (VI), rhenium (VII), tungsten (VI
2012年3月1日· Jung Hun Seo, Marcel Guillong, Christoph A Heinrich; Separation of Molybdenum and Copper in Porphyry Deposits: The Roles of Sulfur, Redox, and pH in Ore Mineral Deposition at Bingham Canyon Economic Geology EasyBibThe separation of molybdenum (Mo) from tungstate solution is a bottleneck problem in tungsten (W) metallurgy, and it hinders the development of highpurity tungsten materials In this research, a modified D301 resin was used to adsorb and separate molybdenum from tungstate solution The maximum sorption capacity (QHighly efficient sorption of molybdenum from tungstate
2023年5月10日· Deep separation of tungsten from molybdenum has become a bottleneck in molybdenum metallurgy, especially in highchloride aqueous systems, because of competitive extraction A new primary amine extractant, 3(nonyloxy)propane1amine (NNA), was designed and synthesized to separate tungsten and molybdenum OverA sustainable and flexible approach for the extraction and separation of rhenium and molybdate species based on a polymeric aqueous twophase system (ATPS) is proposed in which the high metal content in concentrated copper effluents is directly used as the driver of phase demixing The partition coefficient and selectivity of Re, Mo, and Cu are studied inSustainable Extraction and Separation of Rhenium and
2023年8月15日· A clean and efficient method for separation of vanadium and molybdenum by aqueous twophase systems Journal of Molecular Liquids, Volume 313, 2020, Article Yajing Pan,, Yongqiang Zhang Efficient separation of1998年4月1日· Separation of Molybdenum, Vanadium and Nickel by LiquidLiquid Extraction Elements in the ash of asphaltites that is used in thermal central for power generation units are Mo, V, U, Ti and Ni The main goal of this study was to separate molybdenum, vanadium and nickel from the aqueous solution The quantities of the[PDF] Separation of Molybdenum, Vanadium and Nickel by
2019年4月1日· In fact, the extent of separation of tungsten and molybdenum depends on the extent of sulfidation of molybdenum To achieve deep separation of tungsten and molybdenum, the molar ratio of TTCA/Mo should be larger than 16:1DOI: 102113/ECONGEO1072333 Corpus ID: Separation of Molybdenum and Copper in Porphyry Deposits: The Roles of Sulfur, Redox, and pH in Ore Mineral Deposition at Bingham Canyon @article[PDF] Separation of Molybdenum and Copper in Porphyry
2012年11月8日· Molybdenum is frequently associated with tungsten in mineral deposits, and their chemical properties are quite similar Therefore, for many years, removal of impurity molybdenum from tungsten has been a worldwide technical problem In this work, a separation process was investigated with the use of copperbearing materials as the2023年2月3日· Highchromium vanadium residue (HCVR (HCVR: highchromium vanadium residue)) is an important secondary resource of valuable metals such as vanadium (V), chromium (Cr), and molybdenum (Mo) The mainstream technology for the utilization of HCVR, the Na2CO3assistedroasting–waterleaching method, usually requires roastingHighEfficiency Stepped Separation and Recoveries of
The separation of molybdenum and iron is one of key issues of the hydrometallurgical preparation of pure molybdenum chemical products The thermodynamic equilibrium diagrams for distribution of species at different pH values and different concentrations of molybdenum, iron and sulfur with the systems of Mo(VI)H 2 O, Fe(III)S(VI)H 2 O and2024年2月20日· The rapid development of nuclear energy in China has led to increased attention to the treatment of radioactive wastewaters Herein, a novel magnetic adsorbent, magnetic Prussian blue‑molybdenum disulfide (PB/Fe 3 O 4 /MoS 2) nanocomposite, was prepared by a simple insitu fixation of ferric oxide nanoparticles (Fe 3 O 4 NPs) andMagnetic Prussian blue nanoshells are controllable anchored
2017年12月1日· To obtain maximum separation of molybdenum from tungsten, it is necessary to have quantitative conversion of molybdate (MoO 4 2 −) to tetrathiomolybdate (MoS 4 2 −), which is the preferred extractable species), which2016年10月10日· In this work, we have developed a convenient method for the rapid and selective separation of Mo(vi) from aqueous solution by using a novel magnetic Mo(vi) ion imprinted polymer (Mo(vi)MIIP) as the sorbent This sorbent was synthesized using methacrylic acid (MAA) as the functional monomer, the Mo6+ anion as a tem and selective separation of molybdenum ions using a
2021年6月24日· Kekesi, T, Torok, T I & Isshiki, M Anion exchange of chromium, molybdenum and tungsten species of various oxidation states, providing the basis for separation and purification in HCl solutions2022年2月10日· Thus, a new clean separation technology of molybdenum from tungstate needs to be developed (Li et al, 2020) In the past decades, increasing attentions have been paid on recycling of molybdenum and tungstate, and separation methods include precipitation ( Park et al, 2006 ), organic solvent extraction ( Nguyen, 2015 ; Du et al,Property and mechanism on sorption of molybdenum from
2009年6月1日· A single pass anion exchange separation proQuantitative Separation of Molybdenum and Rhenium from Geological Materials for Isotopic Determination by MC‐ICP‐MS Pearce 2009 Geostandards and Geoanalytical Research 2011年12月1日· Study of separation of tungsten and molybdenum from high Wcontaining molybdate acid sodium solution by Fe(OH) 3 adsorption [J] Rare Metals and Cemented Carbides, 2005, 33(3): 1−3 (in Chinese) [11] LÃœ Ying, LI Hong 1Separation of macro amounts of tungsten and molybdenum
2021年7月15日· Oxidation separation of lowgrade molybdenum with rheniumbearing by twostage roasting J Cent South Univ T , 50 ( 2019 ) , pp 1778 1786 View in Scopus Google Scholar2009年5月1日· DOI: 101016/JHYDROMET200812006 Corpus ID: The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation concentrate @article{Jianguang2009TheSE, titleThe solvent extraction separation of bismuth and molybdenum
2021年10月19日· Abstract In this paper the enrichment factor and the product cut for molybdenum isotopes separation by the laser assisted retardation of condensation method are found These quantities are evaluated for different gas flow temperatures and pressures They are computed by solving a set of transport equations for molar fractions of four2015年11月1日· The yield of molybdenumbearing copper concentrate was too low in each batch flotation to carry out the copper–molybdenum separation because of the low grade (090% Cu and 0056% Mo) of the ore Therefore, the molybdenumFlotation separation of copper–molybdenum sulfides using
2021年12月21日· Deep separation of low concentrations of molybdenum from tungstate solution has been a technical bottleneck in tungsten metallurgy and subsequent valueadded utilization of tungsten products A feasible strategy, named microbubble floatingextraction, was proposed and employed to achieve the highefficiency and deep separation of2013年2月1日· Molybdenum resources around the world are mainly associated with porphyry copper ores Molybdenite (MoS2) is the main Mo mineral that has rhenium in its crystal lattice This paper investigates the recovery of rhenium and molybdenum from a molybdenite concentrate using a hydrometallurgical treatment method The molybdeniteSeparation of rhenium and molybdenum from molybdenite
2015年11月1日· However, as a macroscopic phase separation occurs in the glass with a molybdenum content higher than 2 mol%, the amount of crystalline phases contained in the glass cannot exceed 1 vol% (amount determined for the 2Mo)2001年4月26日· A procedure was developed that allows precise determination of molybdenum isotope abundances in natural samples Purification of molybdenum was first achieved by solvent extraction using di(2ethylhexyl) phosphate Further separation of molybdenum from isobar nuclides was obtained by ion chromatography using AG1X8Solvent Extraction, Ion Chromatography, and Mass
2015年11月1日· The selective separation of copper–molybdenum sulfide minerals by flotation mostly relies on the use of various depressants Sodium hydrosulfide, sodium sulfide, cyanide and Noke’s reagent (thiophosphorus or thioarsenic2016年5月23日· Separation of molybdenum (Mo) from tungstate solution has become a bottleneck issue in tungsten (W) metallurgy and did hinder the development of high purity tungsten materials The traditional MoA review on the separation of molybdenum, tungsten, and
In the aqueous system of W–Mo–H 2 O, most tungsten and molybdenum are exit in the form of polymeric anions, and the two exist in very similar forms, which makes their separation difficult However, in the W–Mo–S–H 2 O aqueous system, molybdenum will preferentially combine with sulfur to form Mo–S polymer ions, and W will still exist in theAbstract In this paper, the separation of tungsten and molybdenum by selective precipitation is evaluated, and the addition of cetyltrimethyl ammonium bromide (CTAB), as complex agent, is developed to reduce Mo lossSeparation of tungsten and molybdenum using selective
2022年8月1日· A review on the separation of molybdenum, tungsten, and vanadium from leach liquors of diverse resources by solvent extraction Geosyst Eng, 19 (5) (2016), pp 247259 CrossRef View in Scopus Google Scholar Nie et al, 年8月1日· When molybdenum and vanadium enter into the organic phase by coextraction by TOA or the mixed TOA/C272, its selective stripping is very important for their separation It can be conclusive from Fig 4 d that the mixed TOA/C272 can weaken the extraction of vanadium, potentially improving the Mo/ V separation by intermolecularStepwise separation and recovery of molybdenum, vanadium
ANALYTICAL SCIENCES VOL13 SUPPLEMENT 1997 149 Separation of Molybdenum(VI) and Uranium(VI) through Supported Liquid Membrane Containing aHydroxy Oxime as a Mobile Carrier Mohamed H H2013年4月1日· The loading capacity of AG1x8 for at pH Separation of molybdenum and vanadium from hydrochloric and sulfuric acid solution containing 02 g/L Mo (VI) and 02 V (V) was tried by ion exchange Loading behavior of the two metals from moderate to strong acid solution was investigated using cationic (Diphonix) and anionic (AG1x8) resinsSeparation of molybdenum and vanadium from acid solutions
2021年6月15日· Functionalized ionic liquids (FILs) as extractants were employed for the separation of tungsten and molybdenum from a sulfate solution for the first time The effects of initial pH, extractant concentration, metal concentrations in the feed were comprehensively investigated The results showed that tricaprylmethylammonium2023年6月1日· Therefore, the study first considered the separation of molybdenum from peroxotungstic acid solution with TBP sulfonated kerosene Fig 1 illustrates the effect of TBP proportion (volume fraction) in the range of 60 %–100 % on theSeparation of molybdenum from peroxotungstic acid solution
