· The effects of extent of chlorination, extraction rate, and particle size reduction on flour and gluten functionality have been explored by SRC and mixograph for the soft wheat cultivar, Croplan 594W.
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· This paper described the basic properties of the vanadium extraction tailings, reviewed current situation and progress of comprehensive utilization of vanadium extraction tailings, and introduced concretely researth hotpot about vanadium extraction tailings, such as making far-infrared coatings, V-Ti black porcelain and extracting
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· Chlorine compounds are chemicals commonly used as oxidizing agents for drinking-water disinfection and water treatment . Chlorine (Cl) is an halogen element having 7 electrons on its last electronic layer. To reach the stability of 8 electrons chlorine has a tendency to add an electron. This tendency to add an electron gives chlorine special
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· Recent literature regarding methods for analyzing drinking water disinfection by-products (DBPs) is critically reviewed. Gas chromatography– and liquid chromatography–mass spectrometry are the most frequently used approaches for DBP analysis. High-resolution mass spectrometry techniques are becoming popular for
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· This paper summarizes laboratory experimentation of chlorination processes developed for the extraction of tantalum and niobium from their bearing materials, the upgrading of chromite, the treatment of sulfide concentrates, and the
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· In the current experimental study, the formation of 6 typical disinfection by-products (DBPs) was investigated using varying concentrations of polypropylene (PP) MPs under various aquatic
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· PDF | Chlorination has been widely used as a disinfection method for control of pathogens in drinking water and We have presented current knowledge on the interactions of AgNPs with gold
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· The selective separation of both RE was done with Cyanex 923 in a counter-current mixer settler system comprising three extraction and four stripping stages, eventually yielding 94.6% Y and 5.1% Eu. For the 93% of Y recovery from fluorescent powder, the Innocenzi group [17] conducted a six-stage extraction at pH = 0.5 with 15%
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· The development and application of chlorination metallurgy can be traced back to the middle of the 16th century. At that time, it was found that the recovery rate of metals can be improved by adding a certain amount of salt to the leaching process of ores containing gold and silver. It was not until the 18th century that the leaching process
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· Cyanide tailings produced in gold smelting process contain a large number of heavy metals and cyanides, which are more and more harmful to the environment. In order to reduce environmental pollution, valuable metals from cyanide tailings are recovered. The amount of calcium chloride, chlorination time, the way of adding calcium chloride
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· In summary, we demonstrated that chlorination roasting recovery technology could successfully extract Li from complex NCM cathode components with high selectivity and no acid additions. Thermochemical calculations based on thermodynamic differences were first used to select the customized chlorinated salt, and the feasibility
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The abundant use of lithium-ion batteries (LIBs) in a wide variety of electric devices and vehicles will generate a large number of depleted batteries, which contain several valuable metals, such as Li, Co, Mn, and Ni,
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:Publish Year:2015 · RE recovery from fluorescent lamp wastes and their subsequent selective separation was successful along a three-step process: (i) solid-state chlorination (SSC),
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· Chalcopyrite passivation phenomenon drastically slows the copper extraction rate in hydrometallurgical processes, currently; scientists have reached an apparent consensus about
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· An overview study of chlorination re actions applied to the primary extraction and recycling of metals and to the synthe sis of new reagents N. Kanari a , E. Allain a , R. Joussemet a , J. Mochón
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:P. K. Jena, E. A. BrocchiPublish Year:1996The metal chlorides FeCl 3 ∙6H 2 O and MgCl 2 ∙6H 2 O were identified as the most effective reactants, resulting in high extraction rates for the metals In, Ag, Zn, Pb, Au, and Bi,
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A synergistic extraction method for gold from the refractory gold ores via ultrasound and chlorination-oxidation was developed. The effects of solid-liquid ratio, extraction time, ultrasound power, NaClO concentration and NaOH concentration on the extraction rate of gold from the refractory gold ore
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· The current study have shown that copper, palladium, nickel and silver can be readily extracted from WPCBs in cupric chloride leaching where the extraction of gold is very limited.
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· Moreover, BDOM showed a catalytic effect on chlorination, and GC analysis showed that the concentrations of its DBPs were affected by pH. The concentration of halogenated acetic acid reached the highest value (54.51 μg/L) in weak acidic environment, while the concentrations of trihalomethane and halogenated acetonitrile
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· A new extraction technology of chlorination roasting with a mixture of MgCl2·6H2O and NaCl was investigated to co-extract nickel and copper from low-grade nickel ores. The effects of some key factors on the extraction of nickel, copper, and iron were studied, and the results show that,when the roasting temperature is 850°C, the
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· The % WL curve described in Fig. 10 for the LGCC chlorination are in good agreement with the extraction extents of iron from 200 C and of copper from about 350 C. On the other hand, the calculated limit ( L 1 ) for selective chlorination of LGC is fairly consistent with the % WL of the LGCC sample and with the results of chemical
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: Ndue Kanari, Eric Allain, Robert Joussemet, J. Mochón, I. Ruiz-Bustinza, I. Gaballah · The chlorination and extraction of In, Zn, and Pb from oxides is feasible in mixtures with MgCl 2 ∙6H 2 O, AlCl 3 ∙6H 2 O, and FeCl 3 ∙6H 2 O, Ni shows poor chlorination behavior. In the case of sulfate
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· Chlorination and carbochlorination processes have industrial applications in metallurgical activity for extraction and purification of uncommon metals such as rare earth elements (REE). This study reviews the chlorination and carbochlorination reactions of light REE (LREE) oxides with chlorine considering the
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:S. Pavón, B. Lapo, A. Fortuny, A.M. Sastre, M. BertauPublish Year:2021 · The concentrations methods commonly applied include solid phase extraction (SPE), solid phase micro-extraction (SPME), liquid-liquid extraction and
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· PDF | Vanadium as a rare element has a wide range of applications in iron and steel production, vanadium flow batteries, catalysts, etc. In 2018, the | Find, read and cite all the research you
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· In conclusion, we proposed a process combining mechanical activation with chlorination roasting for Li extraction from spodumene, which also reduced roasting temperature. Initially, the tailored chloride salts were chosen using DFT calculations, and their feasibility was experimentally validated through mechanical activation, thermal
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· Vanadium extraction of vanadium-bearing titanomagnetite was investigated by selective chlorination. Thermodynamics analyses on the interactive reactions among related species in the system were made before the experiments. Some fundamental experiments for extracting vanadium by FeClx as chlorinating agent were
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：3 This paper summarizes laboratory experimentation of chlorination processes developed for the extraction of tantalum and niobium from their bearing materials, the upgrading of
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· The phase species in the extraction residue had not changed under ultrasound assisted extraction and conventional extraction. However, the peak intensity of SiO 2 phase had changed. After conventional extraction for 6 h, the change of peak intensity of SiO 2 phase was not obvious, which indicated various substances in raw
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· In this work, key parameters of the two-stage chlorination leaching, gold extraction, and distillation were investigated. A review of current progress of recycling technologies for metals from waste electrical and electronic equipment J. Clean. Prod., 127
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