Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate. Author links open overlay panel Luzheng Chen a, Tao Xiong a b, Dahe Xiong b, ... Chalcopyrite is weakly magnetic while molybdenite is diamagentic, with their magnetic susceptibilities at 0.840 × 10-6 m 3 /kg …
DOI: 10.1016/J.MINENG.2021.106967 Corpus ID: 236259260; Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate @article{Chen2021PulsatingHF, title={Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate}, …
Pulsating high gradient magnetic separation (PHGMS) was effectively applied for pre-concentration of relatively coarse chalcopyrite ore, therefore in this work, its feasibility for separation of superfine chalcopyrite from molybdenite was firstly attempted, with the separation performance under key operating parameters elucidated via a SLon …
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were curried out on the samples …
The efficient separation of chalcopyrite (CuFeS2) and galena (PbS) is essential for optimal resource utilization. However, finding a selective depressant that is environmentally friendly and cost effective remains a challenge. Through various techniques, such as microflotation tests, Fourier transform infrared spectroscopy, …
Keywords: Chalcopyrite, molybdenite, magnetic properties, crystal field theory, high gradient magnetic separation INTRODUCTION Chalcopyrite (CuFeS 2 ) and molybdenite (MoS 2 ) are two common ...
Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and tennantite binary mixtures with chalcopyrite; respectively.
DOI: 10.1016/j.mineng.2022.107893 Corpus ID: 253085691; Magnetic properties of chalcopyrite and arsenopyrite for high-gradient magnetic separation with Crystal-Field Theory @article{Dai2022MagneticPO, title={Magnetic properties of chalcopyrite and arsenopyrite for high-gradient magnetic separation with Crystal-Field Theory}, …
flotation and magnetic separation properties of pyrite, chalcopyrite, galena and sphalerite N.M. Can Hacettepe University, Mining Engineering Department, Ankara, Turkey I. Bayraktar Demir Export A.S., Ankara, Turkey Abstract The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals,
DOI: 10.1016/j.seppur.2023.126136 Corpus ID: 266612448; Performance evaluation of PHGMS technology for superfine chalcopyrite-molybdenite separation @article{Yang2023PerformanceEO, title={Performance evaluation of PHGMS technology for superfine chalcopyrite-molybdenite separation}, author={Jing Yang and Luzheng …
At a dose of 8 mg/L, there was effective separation between galena and chalcopyrite with a separation coefficient of 24.17, effectively altering the floatability of galena while having little impact on the floatability of chalcopyrite. ... The mixture was stirred using a magnetic stirrer for 3 min, after which sodium hydroxide or hydrochloric ...
Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two minerals after microwave pre-treatment. Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and …
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.
Pulsating high-gradient magnetic separation (PHGMS) is an environment-friendly and economic method for concentrating or removing weakly magnetic minerals from materials, and its separation for sulfide minerals with similar floatability such as …
Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two minerals after microwave pre-treatment. Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of …
Separating chalcopyrite from arsenopyrite using flotation has been a big challenge due to their similar floatability. However, this challenging condition may be partially solved by employing their difference in magnetic susceptibility. As a matter of fact, pulsating high-gradient magnetic separation (PHGMS), as an environment-friendly and economic …
PDF | High Gradient Magnetic Separation of chalcopyrite and bornite, both weakly magnetic copper minerals with mass susceptibilities of about 0.1 ×... | Find, read and cite all the research you ...
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.
Chalcopyrite (CuFeS 2) and molybdenite (MoS 2) as typical sulfide minerals are very easy for co-flotation in practice, but their mutual separation consumes a large quantity of flotation reagents, particularly for superfinely associated chalcopyrite and molybdenite as encountered in most porphyry copper deposits.Pulsating high gradient …
Removing molybdenite from chalcopyrite by flotation has long been a challenge due to their similar floatability as sulfide minerals. However, the difference in the magnetic susceptibility of the two minerals may be employed to address this challenge. Recently, pulsating high-gradient magnetic separation (PHGMS) has been reported …
The selective flotation of chalcopyrite from talc in practice is currently difficult and consumes a large amount of depressors, resulting in high production and environmental costs. The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference …
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their …
Separation of chalcopyrite from molybdenite is currently mainly carried out by flotation, but this process is costly because of the extensive use of inhibitors. This study briefly describes a 7.0T/100CGC low-temperature superconducting magnetic separator and discusses its separation principle as well as the effect of magnetic induction on …
Magnetic separation is the mineral separation method to separate different minerals by magnetic differences. Basic Principle. Based on the level of magnetism, minerals can be divided into strongly magnetic minerals (such as magnetite), weakly magnetic minerals (such as chalcopyrite), and nonmagnetic minerals (such as quartz, …
High-gradient magnetic separation mechanism for separation of chalcopyrite from molybdenite Pulin Dai1, Zixing Xue1, Xiaowei Li1, Yaxiong Jiang1, Nourhan Ahmed1,2, Jianwu Zeng1, Luzheng Chen1 1Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China.
4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador At the mill of the Cotopaxi Exploration Co., Macuchi, Ecuador, the principal minerals are chalcopyrite, pyrite, barite, and quartz. The ore contains considerable
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic...
The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were …
Superconducting magnetic separation of chalcopyrite and molybdenite was studied, along with the effects of the magnetic flux density, slurry concentration, and pulsation amplitude on the separation. According to the force equilibrium model of magnetic particles that accumulated on magnetic matrices during the superconducting …
DOI: 10.1016/j.seppur.2023.125831 Corpus ID: 265452366; Effect of lime (CaOH+) on chalcopyrite-arsenopyrite separation in high gradient magnetic separation: experiment and molecular simulation
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.
This may indicate that when the magnetic induction is 5 T, the magnitude of the magnetic force on the chalcopyrite particles in the magnetic field is just greater than the fluid resistance, so the ...
The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their …