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网页2022年8月4日All these parameters can be used to evaluate the reactivity of reagents and minerals. The adsorption of organic reagents on Lv C, Wen SM (2021) Innovative 网页2010年10月6日This demand has resulted in the need to enhance processing of complex sulfide ores, which are 网页2021年1月28日The pyrite flotation tailings (called “neutral tailings”) are easily dewatered and placed in the dyke. Due to its higher density relative to the fine material, the pyrite in 网页2019年9月1日To achieve this grade and recovery of pyrite, it is only necessary to condition the fresh tailings with 30 g/t of collector, 20 g/t of frother, 10 min of conditioning 网页2017年5月3日The finer the material, the greater is the percentage of recovery; the pyrite should pass at least a 170-mesh screen in order to get efficient flotation under 网页2021年2月4日Collector type and pulp pH play an important role in the lead–zinc ore flotation process. In the current study, the effect of pulp pH and the collector type 网页2004年5月1日The flotation behavior of pyrite with different collectors was investigated as a function of pH and the results are given in Fig. 2. The purified pyrite sample 网页Flotation of copper at different alkaline pH from 7upto 10 and using different Xanthates as collector vs. recovery of copper may give some clue. Minimum Pyrite obtained in copper 网页2018年3月17日: Active pyrite is one of the most undesirable phenomena in the flotation of porphyry copper ores. Misreported pyrite into copper concentrates decreased the 网页2016年10月1日Pyrite is a gangue mineral widely associated with valuable minerals. It is problematic to deal with in differential flotation because it easily reports to flotation concentrates. Pyrite may float due to natural or self-induced hydrophobicity or collector-induced hydrophobicity. 网页2022年8月4日All these parameters can be used to evaluate the reactivity of reagents and minerals. The adsorption of organic reagents on Lv C, Wen SM (2021) Innovative utilization of acid mine drainage (AMD): a promising activator for pyrite flotation once depressed in a high alkali solution (HAS)–gearing towards a cleaner production concept 网页2010年10月6日This demand has resulted in the need to enhance processing of complex sulfide ores, which are the primary sources of base metals. Complex sulfide ores are 网页2020年8月19日Flotation tests suggested that the detrimental effect of clay minerals on the flotation of pyrite increased as follows: montmorillonite > kaolinite > illite. With the help of rheology measurements, it was found that montmorillonite significantly increased pulp viscosity, which in turn substantially reduced pyrite recovery and grade. 网页2021年1月28日Pyrite flotation is a well-known and inexpensive method (Moslemi and Gharabaghi 2017; Santander and Valderrama 2019; Wang and Forssberg 1991) because flotation chemicals and process water can be almost completely recycled due to the coarse particle size of the hydrocyclone underflow. In Peru, four companies have programmed 网页2021年7月26日Flotation, as a density/gravity separation process, has also been proposed and extensively tested in biotechnology—i.e., finding application in the solid–liquid separation of biomass; this can also be used for metal ion removal as a suitable biosorbent, even permitting its regeneration [ 49, 50, 51 ]. 网页2023年3月12日Natural arsenopyrite and pyrite samples used in this study were obtained from Yunnan Province, China. The elemental compositions of mineral samples are shown in Table 1.High-purity samples were manually selected and ground to -75 μm, of which the -75 + 38 μm particles were used for flotation tests, plasma modification pulp chemistry 网页2020年9月11日Flotation reagents can change the surface properties of minerals, leading to differences in the interaction between mineral particles and affecting the mutual aggregation or dispersion of particles. In this work, we studied the role of activator copper sulfate, collector butyl xanthate and frother terpineol in adjusting the potential energy of 网页FUERSTENAU, M.C. 1982b. Sulphide mineral flotation of pyrite–chalcopyrite. Principles of Flotation. King, R.P. (ed.). Although the cost of using two chemical and process parameters on the flotation performance of a UG2 ore. collectors may be more than that of a single collector, the increase Minerals Engineering, vol. 70. pp. 92–98. in 网页2020年8月5日Pyrite, the most abundant sulphide mineral in the earth crust is mostly found in close association with arsenopyrite in most auriferous complex ore bodies. 网页In previous study, it has been found that the grinding conditions have a great effect on the flotation of chalcopyrite and galena as well as their separation from pyrite (Peng et al., 2003a, Peng et al., 2003b).In this study, the effect of the grinding conditions on the activation of pyrite by Cu 2+ and Pb 2+ were investigated. Based on flotation behaviour, EDTA 网页2022年2月10日Flotation separation results of the pyrite–arsenopyrite artificial mixed minerals: (a) flotation separation of single-agent m-NBO pyrite and arsenopyrite concentrate; (b) flotation separation of combination agent [NH 4+ + m-NBO] pyrite and arsenopyrite concentrate. 2.2. Zeta Potential Analysis 网页A comparison of the amount of collector sodium dusobutyl dithiophosphinate (DBPhos) adsorbed on the surface of galena and pyrite has been investigated by time 掌桥科研 一站式科研服务平台 网页2017年2月8日In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena (PbS) and chalcopyrite (CuFeS 2 ) from sphalerite (ZnS) and pyrite (FeS 2 ) using sodium isopropyl xanthate as a collector and 4-methyl-2-pentanol (MIBC) as a frother. Flotation tests were carried out in a D12-Denver 网页2022年8月4日Pyrite is separated from other minerals mainly by flotation. However, the hydrophilicity of pyrite is affected by many factors, causing it to easily enter the concentrate and consequently reduce the quality of concentrate. 网页2021年1月28日Pyrite flotation is a well-known and inexpensive method (Moslemi and Gharabaghi 2017; Santander and Valderrama 2019; Wang and Forssberg 1991) because flotation chemicals and process water can be almost completely recycled due to the coarse particle size of the hydrocyclone underflow. In Peru, four companies have programmed 网页2021年7月26日Flotation, as a density/gravity separation process, has also been proposed and extensively tested in biotechnology—i.e., finding application in the solid–liquid separation of biomass; this can also be used for metal ion removal as a suitable biosorbent, even permitting its regeneration [ 49, 50, 51 ]. 网页2023年3月12日Natural arsenopyrite and pyrite samples used in this study were obtained from Yunnan Province, China. The elemental compositions of mineral samples are shown in Table 1.High-purity samples were manually selected and ground to -75 μm, of which the -75 + 38 μm particles were used for flotation tests, plasma modification pulp chemistry 网页2023年1月30日As previously reported, many studies have focused on the flotation performance of pyrite. Flotation recovery of auriferous pyrite with low, medium, and high dolomite content is 51.3%, 38.6%, and 36.7%, respectively; meanwhile, with the increase in pyrite content from 1.2% to 3%, the floating rate of dolomite increases from 8.6% to 网页2015年11月1日Download Citation Optimization of physico-chemical parameters of pyrite flotation Tailings issued from polymetallic ore flotation of Chaabat el-Hamra mine contain sulfides such as Galena (PbS 网页Tailings issued from polymetallic ore flotation of Chaabat el-Hamra mine contain sulfides such as Galena (PbS), Pyrite (FeS2) and Chalcopyrite (CuFeS2). They present environmental threats such as the acid mine drainage. Chemical analysis showed that the major element of these tailings is Pyrite. The processing of the latter eliminates much of 网页FUERSTENAU, M.C. 1982b. Sulphide mineral flotation of pyrite–chalcopyrite. Principles of Flotation. King, R.P. (ed.). Although the cost of using two chemical and process parameters on the flotation performance of a UG2 ore. collectors may be more than that of a single collector, the increase Minerals Engineering, vol. 70. pp. 92–98. in 网页2022年2月10日Flotation separation results of the pyrite–arsenopyrite artificial mixed minerals: (a) flotation separation of single-agent m-NBO pyrite and arsenopyrite concentrate; (b) flotation separation of combination agent [NH 4+ + m-NBO] pyrite and arsenopyrite concentrate. 2.2. Zeta Potential Analysis 网页In previous study, it has been found that the grinding conditions have a great effect on the flotation of chalcopyrite and galena as well as their separation from pyrite (Peng et al., 2003a, Peng et al., 2003b).In this study, the effect of the grinding conditions on the activation of pyrite by Cu 2+ and Pb 2+ were investigated. Based on flotation behaviour, EDTA 网页2016年9月8日To evaluate the adsorption of Tecflote-S10 (Tf-S10) on chalcopyrite, the most widely used conventional thiol-based collectors in the flotation of copper sulfide 网页A comparison of the amount of collector sodium dusobutyl dithiophosphinate (DBPhos) adsorbed on the surface of galena and pyrite has been investigated by time 掌桥科研 一站式科研服务平台 网页2015年10月12日Figure 1 shows that pyrite exhibits good flotation performance at pH range of 4 to 9 when in the absence of CuSO 4, and as much as 80% of the pyrite can be floated.But at a pH range of 9 to 12, pyrite is depressed and the recovery decreases significantly with the increase in pH. The decrease in recovery is attributed to the 网页2021年3月1日Flotation kinetic parameters, R ∞ (ultimate recovery) and K (first-order rate constant), are obtained by fitting the flotation recovery–time curve with the flotation kinetic model, which provides an excellent tool to evaluate batch flotation tests [15, 16].As shown in Fig. 1, the four profiles have similar flotation recovery levels when the flotation time 
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