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Mobile crushers can also be called mobile crushing plants, mobile crushers, etc. It is an inevitable product of high-tech crushing technology in the new era, and its main features are that it can be operated mobilely, can walk freely, and is more convenient for transitions, ensuring that the equipment While the production is safe, the work process is more reliable.
·The effect of collector dosage on the flotation separation of chalcopyrite and pyrite in the two grinding medium systems was investigated at the pulp pH of 9 CB medium or 7 CIB medium CaO dosage of g/L and 2 # oil dosage of 100 mg/L as shown in Fig 6 The figure indicates that the Cu grade of the flotation concentrate peaked at the
·Sodium thioglycolate is a chalcopyrite depressant but its depressant effect is weak The paper investigated the effect of CuSO4 on the depressant performance of sodium thioglycolate towards
·Copper Cu is one of the most important nonferrous metals and has been widely used in the modern industry Chalcopyrite CuFeS 2 is the main mineral source for the copper metallurgy which is usually enriched by using flotation technology Chen et al 2019 In most of the chalcopyrite ore deposits talc Mg 3 Si 2 O 5 2 OH 2 a TOT layered silicate
·The big crystals of the two minerals were crushed into small fractions with a jaw crusher The hand selected small pure mineral crystals were further crushed in a roll crusher and then dry sieved The screening products of the −3 1 mm size fractions were stored for subsequent grinding flotation zeta potential FT IR and XPS measurements
·Chalcopyrite was crushed to −3 mm by a jaw crusher and then splitted to 15 g samples To avoid oxidation these samples were frozen at −18 °C and prior to flotation 15 g of chalcopyrite underwent wet grinding at a solid concentration of 38 wt% in a rod mill The quartz and amorphous silica were each subdivided into 200 g samples and
·Porphyry Cu Mo deposits which are the most important sources of copper and molybdenum are typically processed by flotation In order to separate Cu and Mo minerals mostly chalcopyrite and
Download scientific diagram Effect of pH on flotation recovery of chalcopyrite and pyrite c BX = mmol/L; ρ LSC =100 mg/L; ρ 2# oil = 10 mg/L from publication Effect of organic depressant
·Separating chalcopyrite an important copper containing ore from pyrite is an important mineral processing objective Herein we report the synthesis of S hydroxyethyl O isobutyl xanthate HEIBX a novel surfactant bearing both hydroxyl and thione groups through the attachment of a hydroxyethyl group to sodium isobutyl xanthate SIBX and its first
·This paper investigated the effects of using or not using potassium butyl xanthate PBX as a collector on the flotation kinetics of talc and chalcopyrite By means of atomic force microscopy AFM Fourier transform infrared spectroscopy FTIR a contact angle measuring instrument and particle size analyzer the underlying causes behind the flotation
·The performance of PP a non toxic starch derivative was assessed for depressing sphalerite during chalcopyrite flotation The findings of microflotation experiments revealed that PP has a strong depression action on the flotation of sphalerite without altering the floatability of chalcopyrite with BX as a collector
·A case study of flotation of chalcopyrite molybdenite ore using a mixture of pyrogallic acid and o isopropyl ethylthiocarbamate Insights from ab initio calculations
·Surfactants with multiple polar groups have shown promising applications while the molecular mechanism that distinguishes them from conventional surfactants remains unclear Herein a novel surfactant BETX which contains two polar groups was designed and the effect of intramolecular interaction on its molecular mechanism was elucidated MD simulations DFT
·Typically the separation and recovery of chalcopyrite CuFeS 2 and molybdenite MoS 2 the major Cu and Mo minerals respectively in PCDs are achieved by two step flotation involving 1 bulk
·The effective separation of chalcopyrite an extensively utilized copper mineral presents a considerable hurdle for the mineral processing sector due to its geological tendency to be colocated with various sulfide minerals and its intricate surface chemistry that hinders efficient separation using conventional approaches This research aims to address this challenge by
·Chalcopyrite single mineral supplied by Wushan Copper Mine Jiangxi China was hand picked then crushed through a jaw crusher and a roll crusher and then screened to collect mm particle size particle size distribution is presented in Fig ray diffraction XRD analysis RIGAKU D/MAX RB Japan was carried out to identify the ore
·Molybdenite MoS 2 is the principal and strategic source of molybdenum Mo a rare metal Zhang et al 2022 It often co exists in complex assemblages with copper sulphide minerals especially chalcopyrite CuFeS 2 in porphyry copper deposits across the world Yang et al 2021 In industry most copper molybdenum processing plants employ flotation to recover
·For mixed minerals flotation chalcopyrite and galena were mixed at a ratio of 1/1 and chalcopyrite/galena recovery is the mass of the chalcopyrite/galena in the concentrate divided by the total mass of the chalcopyrite/galena CuS wt% and PbS wt% were obtained by chemical analysis and used as grades to evaluate the separation performance
·The effect of SMA on the flotation of chalcopyrite and pyrite was investigated in terms of pulp pH and depressant concentration as shown in Fig 2 It can be described from Fig 2 a good floatability of chalcopyrite was achieved in entire experimental pH range without the addition of depressant SMA and the chalcopyrite recovery is over 85%
·In the flotation of copper ores copper sulphides are recovered while unwanted pyrite is depressed Reyes Bozo et al 2014 The previous study revealed that pyrite recovery was significantly elevated when seawater was used in flotation to replace fresh water making the flotation more difficult to separate chalcopyrite from pyrite and the enhanced galvanic
·The Cu Mo and S content in samples before and after flotation was determined by ICP MS Other elements were quantified by XRF Table 1 presents the chemical analysis of the ore reveals As presented in Table 1 the content of the four most abundant elements is % Cu % Mo % S and % amounts of other elements are too low to be
·Pyrite FeS 2 is normally a gangue mineral widely associated with valuable base metal sulfide minerals such as chalcopyrite CuFeS 2 chalcocite Cu 2 S galena PbS and sphalerite ZnS which are the major mineral sources for copper lead and zinc The economic extraction of metals requires selective separation of pyrite from these base metal
·In this work carrageenan was investigated as a novel depressant for chalcopyrite flotation Micro flotation tests results demonstrated the carrageenan could depress the floatability of talc and had no effect on the chalcopyrite flotation After adding 2400 g / t carrageenan achieving recovery and grade of copper up to % and % from
·The sample was crushed by a double roll crusher and a 2 mm ASTM laboratory sieve was used to con SMBS in chalcopyrite and pyrite flotation Kinetic flotation tests were also carried out in
·A total recovery of more than 97% of the gold and silver is made by flotation while the combined flotation cyanidation process gives an overall extraction of 95% The installation is much more compact and its capital cost far less than one embodying fine grinding and cyaniding of the whole tonnage and it can be run with lower operating
·In flotation the generalized first order rate equation is given by 1 d C d t = k C where C is the solids concentration in the system m 3 solids/m 3 suspension t is the flotation time and k the flotation rate constant Throughout this paper the analysis is only concerned with the so called recoverable particles referred to generically
·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
