DOI: 10.1016/j.jclepro.2024.141149 Corpus ID: 267640780; Study on the recovery of graphite from spent carbon cathode via ultrasound-assisted flotation @article{Chen2024StudyOT, title={Study on the recovery of graphite from spent carbon cathode via ultrasound-assisted flotation}, author={Xiaowei Chen and Zhengjie …

Ratchambigai S., Subba Rao S., Bhaskar Raju G. Show more. Add to Mendeley. https://doi/10.1016/j.ijmst.2015.03.014 Get rights and content. Abstract. A …

Graphite beneficiation by flotation is pivotal for electric vehicle industry. •. Worldwide flotation research carried out during last decade, discussed chronologically. …

The flotation reagents used in this study were acquired from Heilongjiang Luobei Diyuan Graphite Company in China. All the flotation tests were carried out under the following conditions: frother: fusel 300 g/t, collector: diesel 400 g/t, pH 10 (adjusted with lime), quartz and silicate depressant: sodium hexametaphosphate 1000 g/t, pulp solids ...

The total amount of graphite reserves in Korea is about 260 thousand tons. Graphite larks international competitiveness it is mined in only few mines, but recently the demand of portable electronic has increased. Therefore a research for manufacturing domestic high purity graphite is necessary because all of high purity graphite used electrode of 2nd …

Graphite ore is mostly beneficiated using flotation separation techniques. The increasing demand for high-grade graphite products with up to 99.99% carbon has resulted in the development of various approaches to remove impurities even to parts per million range. ... Save to Library Save. Create Alert Alert. Cite. Share. 135 Citations. Highly ...

Since graphite is spontaneously hydrophobic (like coal) in nature, flotation is the common and apt technique for beneficiation of graphite ore. In this study, the research and development on the graphite beneficiation techniques especially flotation reported by several learned research groups in the world has been discussed and presented.

1. Introduction. Mineral flotation is a vital separation technique,, and diverse methods have been explored to enhance its efficiency, including the utilization of magnetic field, sound field,, electric field,, etc. Ultrasound technology has gained significant attention due to its accelerating development and wide applications.In these applications, …

DOI: 10.1080/08827508.2024.2305384 Corpus ID: 267158160; Natural Graphite Froth Flotation-An Overview @article{Gao2024NaturalGF, title={Natural Graphite Froth Flotation-An Overview}, author={Jixuan Gao and Xiangning Bu and Lisha Dong and Yangshuai Qiu and Guangyuan Xie and Saeed Chehreh Chelgani}, journal={Mineral …

With the severe depletion of coarse flake graphite (a critical raw material) resources, developing and utilizing fine and ultrafine graphite resources have recently attracted attention. Froth flotation is a widely used technique for the initial enrichment of graphite; however, the flotation selectivity decreases significantly along with particle …

To develop a method for shortening the graphite cleaning process, the influences of ultrasonic treatment on changes of particle sizes, morphologies, wettability, content of surface elements of flaky graphite and on the flotation effect of flaky graphite were explored in this paper. The emphasis of this paper is on the enhancement of graphite ...

Froth flotation is the most popular mineral separation method. By adding reagents into the flotation cells to adjust the physical and chemical properties of a mineral, the desired mineral can float to the top of the flotation cells and then be collected as concentrate. Finally, the useless gangue remains in the pulp and can be discarded as ...

Based on fundamental investigations, kish graphite is recovered by flotation in Japan as a graphite resource. In this paper, the natural floatability and surface properties of some naturally hydrophobic solids, particularly graphite, are reviewed from a surface-chemical viewpoint. Then general aspects of graphite flotation are briefly discussed.

Flotation is one of the most used methods to upgrade natural graphite resources. However, the efficiency is usually decreased due to the entrainment of undesirable fine gangue minerals. In this work, the impact of different factors such as particle size, pulp density, and flotation reagent on the entrainment of mica and quartz …

The dosages of frother (methyl isobutyl carbinol, MIBC) at 0.005 kg/t and collector (kerosene) at 1 kg/t were optimal for the flotation of Kish graphite. After three-stage froth flotation, the graphite content of the concentrate was progressively increased to 84.09 wt.%, and the entire recovery rate was 93.05%. During the multi-stage froth ...

A final graphite concentrate with 4.24% ash and 14.42% yield was obtained using the developed biocollector by flotation of low-grade graphite ore with 89.47% ash content. The degree of significance of input variables was determined using ANOVA. Regression models for ash content, % of final concentrate, and its %recovery was …

MeltLabGuy (Materials) 6 Jan 10 15:20. Carbon flotation in ductile iron is caused when the foundry allows the Carbon Equilivant to exceed the ability of the magnesium to suppress graphite formation in the liquid. My experience suggests that limit is about 4.55 - 4.60 with moderate levels of magnesium 0.030 to 0.035%.

The dosages of frother (methyl isobutyl carbinol, MIBC) at 0.005 kg/t and collector (kerosene) at 1 kg/t were optimal for the flotation of Kish graphite. After three-stage froth flotation, the graphite content of the concentrate was progressively increased to 84.09 wt.%, and the entire recovery rate was 93.05%. During the multi-stage froth ...

DOI: 10.1016/j.mineng.2022.107714 Corpus ID: 250366244; Influence of MIBC on the surface-air nucleation and bubble-particle loading in graphite froth flotation @article{Xu2022InfluenceOM, title={Influence of MIBC on the surface-air nucleation and bubble-particle loading in graphite froth flotation}, author={Ming Xu and Anna …

The results show that flotation effect and flotation rate of the three ion valence inorganic electrolytes follow the order: nitrate < chloride < sulfate and univalent < bivalent < trivalent (except Ba (NO3)2 and Pb (NO3)2). When the ion valence are the same, the larger the ion atomic number, the better effect on graphite flotation.

Graphite flotation was observed to occur to an extent that depends on the carbon equivalent (C.E.) and casting modulus. In the present casting, graphite flotation occurred when the C.E. exceeded 4.42. Graphite particle clustering and graphite morphology degeneration into exploded nodules and compacted flake form was …

However, flotation may also be a successful separation process, if the yield and purity is much enhanced compared the results shown in the literature so far. 3.1 Washing Process This method is a …

Natural graphite ores are usually upgraded by froth flotation. However, complex processes with multistage grinding and flotation are required to achieve decent liberation and separation of graphite and gangue minerals. This study reports a short and improved flotation process for fine flake graphite ore by employing a thickening stage. …

The bio ester sample used as an alternative collector for graphite flotation was produced by transesterification from soybean oil. Initially, the soybean oil was heated at 100ºC for one hour to remove moisture, and the catalyzer (ethanol and sodium hydroxide) was added under constant mechanical agitation. ... Scientific Electronic Library ...

The flotation results gave a graphite concentrate with recoveries between 96.64% and 99.63% and grades between 78.13% and 90.88 %. Regarding the lithium metal oxides, these resulted in low ...

DOI: 10.1016/j.mineng.2022.107412 Corpus ID: 246357141; Graphite flotation by β-cyclodextrin/kerosene Pickering emulsion as a novel collector @article{Gao2022GraphiteFB, title={Graphite flotation by $beta$-cyclodextrin/kerosene Pickering emulsion as a novel collector}, author={Jixuan Gao and Xiangning Bu and …

The flotation tests were carried out using optimum flotation reagents and conditions for rougher flotation followed by cleaner and scavenger flotation. A schematic flowsheet of graphite flotation is shown in Fig. 11. Reagent types and their dosage for each flotation stage are also illustrated in Fig. 10.

A novel and simple flotation technique has been developed to prepare high-purity graphite from impure graphite. In this method, a suspension of pristine powdered graphite (PG) is dispersed and ...

Through re-grinding with the stirred mill followed by a two-stage cleaning flotation process, a low-grade graphite concentrate containing 84.59% fixed carbon could be refined to a high-quality concentrate containing 98.62% fixed carbon with a graphite recovery of 94.15%. It is demonstrated that the stirred mill is more suitable for selective ...

Graphite resources are currently being subjected to intensive exploration to help meet rapidly growing global demand – and graphite has made it onto the list of critical raw materials as issued by the European Union. Graphite ore is mostly beneficiated using flotation separation techniques.