Chalcopyrite Magnetic Separation

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 …

This study explores the magnetic separation of chalcopyrite from molybdenite, utilizing crystal field theory (CFT) and pulsating high-gradient magnetic separation (PHGMS) separator.

DOI: 10.1016/j.mineng.2022.107410 Corpus ID: 246346334; Pulsating high-gradient magnetic separation of chalcopyrite and talc @article{Xian2022PulsatingHM, title={Pulsating high-gradient magnetic separation of chalcopyrite and talc}, author={Yong-jun Xian and Yang Hong and Yirong Li and Xiaowei Li and Song Zhang and Luzheng Chen}, journal={Minerals Engineering}, …

Semantic Scholar extracted view of "Superconducting pulsating high gradient magnetic separation for fine weakly magnetic ores: Cases of kaolin and chalcopyrite" by Jinyue Xu et al. ... Separation of chalcopyrite from molybdenite is currently mainly carried out by flotation, but this process is costly because of the extensive use of inhibitors. ...

Therefore, we established the adsorption model of CaOH + on the surfaces of chalcopyrite (1 1 2) and arsenopyrite (0 0 1), to investigate the effect of CaOH + on chalcopyrite-arsenopyrite separation in high gradient magnetic separation, as shown in Fig. 6. Download : Download high-res image (264KB) Download : Download full-size image; Fig. 6.

the non-magnetic product were 1.52% and 90.07%, respectively. Superconducting magnetic separation has potential applications for removing Cu from Mo concentrates, and separating Cu and Mo from Cu-Mo bulk flotation concentrates. Keywords: superconductive magnetic separation; chalcopyrite; molybdenite; separation process . 1. Introduction

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 …

The final separation and purification was by handpicking under a binocular microscope. The chalcopyrite grains have a distinguishable shiny color, whereas the pyrite grains have a golden dull color. ... Mass magnetization against temperature at different magnetic fields of natural chalcopyrite from Oman. The lowest curve is the extrapolation to ...

Again, it is the high magnetic induction available in the SPHGMS separator that contributed to the significantly strengthened magnetic force upon fine chalcopyrite minerals and consequently to the high recovery from slurry, while maintaining a high separation selectivity to the minerals, due to the pulsation effect in the SPHGMS process.

Physical Separation in Science and Engineering. Volume 12, Issue 1 360951 p. 23-30. Article. Open Access. ... XRD analysis detected phase changes in conventional heat-treated chalcopyrite, which increases the magnetic susceptibility of the ore and enables its effective magnetic separation, which is impossible to achieve in its original state. ...

XRD analysis detected phase changes in conventional heat-treated chalcopyrite, which increases the magnetic susceptibility of the ore and enables its effective magnetic …

Therefore, flotation is commonly used instead of magnetic separation to achieve the separation of pyrrhotite [15]. To date, many papers on pyrrhotite flotation have been published, giving people an in-depth understanding of the flotation behavior of pyrrhotite. ... Lime is the most used depressant in chalcopyrite-pyrrhotite flotation separation ...

Interests: high-gradient magnetic separation; matrix; gravity concentration; fine particle processing; process modelling and simulation. ... low-temperature superconducting magnetic separator and discusses its separation principle as well as the effect of magnetic induction on chalcopyrite separation from molybdenite. A molybdenum (Mo ...

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 ...

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.

Currently, the development of highly magnetic induction technology provides strong feasibility for this separation. In this work, we employed pulsating high-gradient magnetic separation (PHGMS) with highly magnetic induction (1.8T) to separate chalcopyrite and talc, and found that the PHGMS achieves a good separation of chalcopyrite from talc.

Supercoducting PHGMS achieved effective separation for a low-grade chalcopyrite ore. Superconduction was firstly combined into pulsating high gradient magnetic separation …

Chalcopyrite, sp. gr. 4.15 to 4.3, is too feebly magnetic to be separated raw, and must be roasted to either the magnetic sulphide or the magnetic oxide, these changes taking place in a manner similar to the …

Recently Donnay et al. 11 determined crystal and magnetic structure by neutron diffraction. According to them chalcopyrite was antifer romagnetic at least at room temperature. The …

In this study, we confirm that the PHGMS technique can achieve the separation of chalcopyrite and talc, and explore the potential of oxidation treatment as a strategy to enhance …

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}, author={Luzheng Chen and Tao Xiong …

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 effective as an …

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...

Chalcopyrite is weakly magnetic while molybdenite is diamagentic, with their magnetic susceptibilities at 0.840 × 10-6 m 3 /kg and −0.001 × 10-6 m 3 /kg, respectively (Liu, 1994). Thus, in theory they may be separated from each other via high gradient magnetic separation (HGMS) process, as ever attempted and reported feasible since the middle 1990 s …

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,

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 tennantite ...

The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied.

Techniques for Iron Recovery from Chalcopyrite (CuFeS 2 ): A Review N. Poloko and Dr. G. Dahna ... Magnetic separation. A combination of the two methods is effective. Keywords Chalcopyrite, Fayalite, direct reduction, beneficiation, Magnetic separation 1. Introduction

Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and tennantite binary mixtures with chalcopyrite; respectively.