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Relevant bibliographies by topics / Flotation. Adsorption

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Academic literature on the topic 'Flotation. Adsorption'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Flotation. Adsorption"

1

Wei, Zhao, Junhao Fu, Haisheng Han, et al. "A Highly Selective Reagent Scheme for Scheelite Flotation: Polyaspartic Acid and Pb–BHA Complexes." Minerals 10, no. 6 (2020): 561. http://dx.doi.org/10.3390/min10060561.

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Previous studies have proved that the lead complexes of benzohydroxamic acid (Pb–BHA) are effective collectors of scheelite flotations; however, the separation of scheelite from calcite needs depressants with high selectivity. In this study, we reported a novel depressant for calcite minerals, and Pb–BHA served as the collector of scheelite. The flotation behavior of polyaspartic acid (PASP) in a scheelite and calcite flotation that uses Pb–BHA was determined via flotation experiments. Furthermore, the selective adsorption of PASP on the mineral surfaces and the effect of PASP on the adsorptio

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2

Pan, Guangjiu, Guofan Zhang, Qing Shi, and Wei Chen. "The Effect of Sodium Alginate on Chlorite and Serpentine in Chalcopyrite Flotation." Minerals 9, no. 3 (2019): 196. http://dx.doi.org/10.3390/min9030196.

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Chlorite and serpentine are common magnesium-containing gangue minerals in copper sulfide flotation. In this study, sodium alginate, a natural hydrophilic polysaccharide, was introduced as a selective depressant for these gangue minerals. Micro-flotation tests were conducted on both single minerals and synthetic mixtures. The flotation results showed that sodium alginate could simultaneously depress the flotation of chlorite and serpentine effectively, but seldom influenced the floatability of chalcopyrite at pH 9. In the ternary mixture flotation, a concentrate with a Cu grade of 31% could be

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3

Cao, Shiming, Yijun Cao, Zilong Ma, Yinfei Liao, and Xiaolin Zhang. "Interaction Mechanism of Ferric Ions with Celestite Surface and Implications for Flotation Recovery." Minerals 9, no. 7 (2019): 405. http://dx.doi.org/10.3390/min9070405.

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In practical celestite flotation, iron contamination is commonly found on celestite surfaces. The effect of ferric ions on celestite flotation was assessed by a combination of ion release experiments, DFT calculation, X-ray photoelectron spectroscopy (XPS) analysis, adsorption isotherm study, and flotation experiments in this work. The ion release experiments showed that the associated limonite released ferric ions to solution. According to DFT calculation and surface complexation theory, we found that ≡SrOH0 and ≡SO4H0 are primary functional groups on celestite surface in aqueous environments

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4

Feng, Hai Liang, Xiao Kui Che, Qi Zheng, and Li Cheng Ma. "The Experimental Study and Mechanism Analysis on Flotation Separation of Tetradymite and Pyrite." Advanced Materials Research 1092-1093 (March 2015): 1490–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.1490.

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The experimental results of flotation of pure tetradymite and pyrite show that HL-1 is an efficient collector for tetradymite flotation. Comparing to the butyl xanthate, HL-1 has stronger collector ability and higher selectivity. It solves the common problem of the separation of tetradymite and pyrite. The difference of adsorption quantity is consistent with results of the single mineral flotation test. Through the measurements of adsorption, zeta-potential, and FTIR spectral analysis, the flotation mechanism of tetradymite with HL-1 has been discussed. It is concluded that the adsorption of H

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5

Filippov, Lev, Saeed Farrokhpay, Lichau Lyo, and Inna Filippova. "Spodumene Flotation Mechanism." Minerals 9, no. 6 (2019): 372. http://dx.doi.org/10.3390/min9060372.

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Fine and coarse fractions of spodumene were obtained from a pegmatite ore and their flotation was investigated under different conditions. In particular, the optimum pH and collector dosage were studied. It was found that the best flotation performance occurs at pH 10 using 250 mg/L of sodium oleate. It was also observed that upon the addition of CaCl2, spodumene flotation recovery increases to about 90%. In addition, poor floatability was found for spodumene when Na2CO3 was used as a pH regulator (compared to NaOH).The zeta potential data confirmed the adsorption of oleate on the spodumene su

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6

Kondrat’ev, S. A., and E. A. Burdakova. "Physical Adsorption Validity in Flotation." Journal of Mining Science 53, no. 4 (2018): 734–42. http://dx.doi.org/10.1134/s1062739117042716.

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7

Zhang, Han Quan, and Feng Ling Wang. "Adsorption Selectivity of Fatty Acid Collector by Synthetic Magnetite." Applied Mechanics and Materials 552 (June 2014): 263–68. http://dx.doi.org/10.4028/www.scientific.net/amm.552.263.

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Selective adsorption of collectors on mineral surface can directly impact the flotation separation performance. Mineral flotation tests indicated that reverse flotation of synthetic magnetite can only bring a 2 to 4 percent increase in the concentrate grade, tailings grade remains high. The amounts of commonly used fatty acid collector, such as sodium oleate, adsorbed onto mineral surface are measured with indirect measurement to investigate adsorption selectivity of fatty acid collectors by synthetic magnetite. Results showed a higher selectivity in collector adsorption for natural magnetite,

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8

Xiong, Wenliang, Jie Deng, Kaile Zhao, Weiqing Wang, Yanhong Wang, and Dezhou Wei. "Bastnaesite, Barite, and Calcite Flotation Behaviors with Salicylhydroxamic Acid as the Collector." Minerals 10, no. 3 (2020): 282. http://dx.doi.org/10.3390/min10030282.

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The flotation of bastnaesite, as a major mineral source of rare earth elements, attracting much attention in the mineral processing field, is challenging owing to the natural flotability of calcium-bearing minerals. To promote the application of flotation, we systematically investigated the flotation behavior of bastnaesite, barite, and calcite, with salicylhydroxamic acid (SHA) as the collector through micro-flotation experiments, zeta-potential measurements, Fourier transform infrared (FT-IR) analyses, X-ray photoelectron spectroscopy (XPS) analyses, and solution chemistry analyses. Micro-fl

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9

Chen, Yumeng, Xiong Tong, Dongxia Feng, and Xian Xie. "Effect of Al (III) Ions on the Separation of Cassiterite and Clinochlore Through Reverse Flotation." Minerals 8, no. 8 (2018): 347. http://dx.doi.org/10.3390/min8080347.

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Most hydrophobic clay minerals, such as clinochlore, are known to cause problems in the recovery of cassiterite. In this study, a new reagent scheme, i.e., sodium oleate (NaOL) as a collector and Al (III) ions as a depressant, for reverse flotation separation of cassiterite and clinochlore was investigated. The flotation performance and interaction mechanism were studied by microflotation tests, adsorption tests, contact angle measurements, and X-ray photoelectron spectroscopy (XPS) analysis. Results of single mineral flotation experiments showed that NaOL had a different flotation performance

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10

Jiang, Wenli, Yulin Zhou, and Yimin Zhang. "The Effect of New Modified Fatty Acid (CY-23) Collector on Chlorite/Hematite Separation." Journal of Chemistry 2018 (2018): 1–6. http://dx.doi.org/10.1155/2018/5380480.

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The flotation separation on chlorite and hematite with the new modified fatty acid collector CY-23 was studied. The investigation included both flotation and reagent adsorption tests. And all the characteristics of chlorite surface before and after the adsorption of new collector CY-23 have been studied with X-ray photoelectron spectroscopy (XPS). The flotation results showed that caustic starch (CS) could depress the flotation of hematite and chlorite and CaCl2 could activate chlorite flotation but failed on hematite when using CY-23 as collector. The adsorption rate of CY-23 on the surface o

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Dissertations / Theses on the topic "Flotation. Adsorption"

1

Rusanova-Naydenova, Daniela. "³¹P- and ⁶⁵Cu- solid state NMR studies of Cu(I) di-alkyl-dithiophosphates : complex formation mechanism on synthetic chalcocite surfaces /." Luleå, 2004. http://epubl.luth.se/1402-1757/2004/04.

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2

Potapova, Elisaveta. "Studies on the adsorption of flotation collectors on iron oxides /." Luleå : Luleå university of technology, 2009. http://pure.ltu.se/ws/fbspretrieve/3359292.

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3

Zhang, Wencai. "SURFACE CHEMISTY STUDY OF MONAZITE FLOTATION IN COAL REFUSE SYSTEMS." UKnowledge, 2017. http://uknowledge.uky.edu/mng_etds/34.

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Rare earth mineral recovery from alternative resources such as coal and coal byproducts is increasingly important to provide an opportunity for economic recovery from U.S. sources. Currently, China produces the majority of the 149,000 tons of rare earth elements used annually worldwide of which the U.S. imports 11% or around 16,000 tons. There are no significant mining operations producing rare earth elements in the U.S. However, there are many U.S. sources containing rare earth minerals such as monazite including heavy mineral sand and phosphate operations. Monazite mineral particles of a few

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4

Karlkvist, Tommy. "Selectivity in Calcium mineral flotation - An analysis of novel an existing approaches." Doctoral thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-63132.

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5

Micheau, Cyril. "Tensioactif carboxylique polyéthoxylé pour la flottation ionique : étude fondamentale de la solution à la mousse." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20242/document.

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La flottation ionique est un procédé de séparation permettant d'extraire et de concentrer des ions dans une mousse formée à l'aide d'un tensioactif. Pour les systèmes classiques, la forte interaction entre les ions et le tensioactif collecteur entraîne généralement la formation de précipités. Une fois la mousse collapsée, le résidu solide récupéré nécessite un traitement particulier pour permettre sa valorisation ou son conditionnement. Afin de remédier à cet inconvénient, ce travail propose d'utiliser comme collecteur un tensioactif carboxylique polyéthoxylé, l'AKYPO® RO 90 VG, ayant la parti

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6

Bai, Bianfang. "In-situ FTIR-ATR studies on the adsorption mechanisms of collectors on mineral surfaces and their relationship to flotation." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430313.

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7

Manenzhe, Resoketswe. "Investigating the effect of water quality on the adsorption of a xanthate collector in the flotation of a sulphide ore." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29295.

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Environmental concerns necessitate the recycling of process water within mining operations. On average, recycled water contains more dissolved solids than fresh water. Since water is used as both a transportation and process medium, it is expected that changes in its quality will affect plant processes. Flotation is a process that is acutely sensitive to the immediate conditions of the system. Literature suggests that the efficiency of flotation separation is driven by the hydrophobicity that can be achieved by the mineral particles meant to be floated. The hydrophobicity is in turn driven by

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8

Teixeira, Raimundo Nonato Pereira. "Removal of Cu (II), Ni (II), Cd (II) and Pb (II) of wastewater of electroplating industry using hybrid system adsorption electro-flotation-coagulation." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13711.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico<br>Bodies of water contamination problems have stimulated many researchers around the world in the search for alternatives to solve or minimize the effects caused by discharges of toxic materials to the environment. What is desired, preferably, is that such solutions are economically viable and efficient. Toxic metals on the list of the main contaminants of water bodies. Because these are very dangerous chemicals, this class of materials has led many research groups seeking to achieve avoid contamination of water bodies by

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9

Basilio, Cesar Indiongco. "Thermodynamics and electrochemistry of the chalcocite-potassium ethyl xanthate system." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/90909.

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Comprehensive thermodynamic calculations have been carried out on the chalcocite-KEX-water system based on complete mass balance equations which include both soluble and insoluble species. The calculations have yielded i) E<sub>h</sub>-pH stability diagrams for different KEX additions, ii) equilibrium concentrations and amounts of all the dissolved and insoluble species including those of CuX and CuX₂, iii) two- and three-dimensional plots showing the effect of E<sub>h</sub> and pH on the formation of selected species, and iv) minimum xanthate additions required to form CuX and CuX₂. These inf

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10

Pritzker, Mark David. "Thermodynamic and kinetic studies of galena in the presence and absence of potassium ethyl xanthate." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76476.

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A study of the electrochemistry of the PbS-H₂O and PbS-KEX-H₂O systems has been made by carrying out thermodynamic calculations, electrochemical experiments and microflotation tests. Particular attention has been paid to how well this system can be described by equilibrium thermodynamics. The thermodynamic calculations are more comprehensive than previous ones of this type since they are based on a mass balance which includes both insoluble and soluble species. The data they provide include equilibrium concentrations of all dissolved species at any E<sub>h</sub> and pH and an E<sub>h</sub>-p

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Books on the topic "Flotation. Adsorption"

1

Wang, Lawrence K. Flotation technology. Humana, 2010.

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2

Kolahdoozan, Mohammad. Adsorption and flotation characteristics of hexagonal and monoclinic pyrrhotite. s.n.]., 1995.

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3

Bozkurt, Volkan. Pentlandite/pyrrhotite interactions and xanthate adsorption. 1997.

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Book chapters on the topic "Flotation. Adsorption"

1

Rao, S. Ramachandra. "Adsorption from Solutions." In Surface Chemistry of Froth Flotation. Springer US, 2004. http://dx.doi.org/10.1007/978-1-4419-9124-9_7.

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2

Wang, Dianzuo. "Microanalysis of Flotation Reagents and Adsorption Measurement." In Flotation Reagents: Applied Surface Chemistry on Minerals Flotation and Energy Resources Beneficiation. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2027-8_6.

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3

Cases, J. M., and F. Villieras. "The Mechanisms of Collector Adsorption-Abstraction (Ionic and Non-Ionic Surfactants) on Heterogeneous Surfaces." In Innovations in Flotation Technology. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2658-8_2.

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4

Miao, Huanhuan, Wenjuan Wang, Yanfang Huang, Guihong Han, and Shengpeng Su. "Adsorption of Methylene Blue by CuFe2O4 Prepared from Precipitation Flotation Sludge." In Characterization of Minerals, Metals, and Materials 2021. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65493-1_21.

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5

Dobiás, Bohuslav. "Adsorption, Electrokinetic, and Flotation Properties of Minerals above the Critical Micelle Concentration." In ACS Symposium Series. American Chemical Society, 1986. http://dx.doi.org/10.1021/bk-1986-0311.ch016.

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6

Smart, Roger S. C., John Amarantidis, William M. Skinner, Clive A. Prestidge, Lori La Vanier, and Stephen R. Grano. "Surface Analytical Studies of Oxidation and Collector Adsorption in Sulfide Mineral Flotation." In Topics in Applied Physics. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-44817-9_1.

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7

Moudgil, Brij M., and P. Somasundaran. "Interfacial Adsorption of Surfactants in the Presence of Polymers and its Effect on Mineral Flotation." In Surfactants in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4615-7981-6_44.

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8

Wang, Lawrence K. "Adsorptive Bubble Separation and Dispersed Air Flotation." In Advanced Physicochemical Treatment Processes. Humana Press, 2006. http://dx.doi.org/10.1007/978-1-59745-029-4_3.

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9

Bulatovic, Srdjan M. "Adsorption Mechanism of Flotation Collectors." In Handbook of Flotation Reagents. Elsevier, 2007. http://dx.doi.org/10.1016/b978-044453029-5/50016-2.

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10

Somasundaran, P., and L. Zhang. "FLOTATION | Reagent Adsorption On Phosphates." In Encyclopedia of Separation Science. Elsevier, 2000. http://dx.doi.org/10.1016/b0-12-226770-2/01391-0.

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Conference papers on the topic "Flotation. Adsorption"

1

Al-maamari, Rashid Salim, Mark Sueyoshi, Masaharu Tasaki, et al. "Flotation, Filtration, and Adsorption Pilot Trials for Oilfield Produced Water Treatment." In Abu Dhabi International Petroleum Conference and Exhibition. Society of Petroleum Engineers, 2012. http://dx.doi.org/10.2118/161289-ms.

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2

Artemev, Alexandr. "FLOCCULATION OF FINE APATITE AIMED AT REDUCING ENVIRONMENTAL WATER USE PROBLEMS IN MINERAL PROCESSING PLANTS." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/48.

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"Water treatment technologies involving pre-treated industrial effluents without transporting them to the tailing dump are of interest primarily from an environmental point of view, as they reduce the environmental burden. The paper studies the possibility of purification of process waters from apatite concentrate production from suspended particles and water-soluble impurities using polyacrylamide flocculants. By studying the processes of adsorption of H+ and OH- ions from aqueous solutions, the acid-base properties of the surface of the solid phase of the most polluted technological product

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