— Then the two solutions were rapidly mixed and stirred under magnetic stirring for 0.5 h. Ni-ZIF-67 was. Results and discussion. ... Application of ZIF-67/ZIF-8 derived Co 3 O 4 /ZnO heterojunction in lithium-sulfur battery separators. Journal of Alloys and Compounds, Volume 967, 2023, Article 171605.

 — The specific energies and energy densities of lithium-sulfur (Li-S) batteries are influenced by various cell parameters, including the sulfur loading, the sulfur weight percentage in the cathode, and the electrolyte/sulfur ratio. An In 2 …

Minerals 2022, 12, 1251 4 of 20 Figure 1. Schematic diagram of CT series magnetic pulley structure. 1—multipole magnetic system; 2—cylinder; 3—magnetic conductor; 4—belt [8].

 — Dry magnetic separation of high-sulfur fine coal was carried out using a novel permanent magnet high-gradient magnetic separator (HGMS). The samples were analyzed using a vibrating sample ...

 — The effective separation of sulfur and mineral matter from coal can be realized by the use of the P 40 Jones magnetic separator. This high-intensity magnetic separator …

 — Then, the inorganic sulfur in fine coal (−0.5 mm) was removed using a 2 T strong magnetic roller magnetic separator. The migrating regulation of organic sulfur …

 — Download Citation | Separator modification of lithium-sulfur batteries based on Ni-Zn bimetallic MOF derived magnetic porous Ni-C composites | Because of its high theoretical specific capacity ...

 — Coal preparation before combustion is an efficient and low-cost method for the clean utilization of coal. In this study, a dry high-gradient magnetic separator was …

 — The shuttle effect of polysulfide (LIPSs) is one of the crucial barriers for Lithium-sulfur batteries (LSBs). Herein, an urchin-like Nb 2 O 5 /carbon nanotube (CNT) modified separator was fabricated by simple hydrothermal and filtration processes. Benefiting from the strong chemical capturing ability of urchin-like Nb 2 O 5 and …

 — The lithium-sulfur battery is the subject of much recent attention due to the high theoretical energy density, but practical applications are challenged by fast decay owing to polysulfide shuttle …

A magnetic drum separator is a device that uses magnetic properties to separate target minerals from other elements in minerals. ... One of the wide applications of this method is reducing sulfur (in the form of pyrite) in coal.

 — The first SLon-2500 vertical ring-pulsating high gradient magnetic separator was designed and built up in 2006. It was installed at the tails dam of Hai Nan Iron Mining Company to recover iron ...

 — For testing the cleaning coal process, a Chinese high sulfur coal, Baisu coal was pyrolyzed in a fixed bed reactor from 400 to 700°C for 30min, and then separated by a dry magnetic separator.

The experimental separator consisted of a laboratory column, packed with either steel wool or screens, inserted in the bore of a solenoid magnet. Experimental results, confirmed the effects of coal particle size and slurry velocity as predicted by the model. ... Magnetic recovery of pyritic sulphur and coal from mine rejects has been envisaged ...

 — In this contribution, we present facile, scalable, and green fabrication of Janus-type, porous-graphene (PG)-modified PP separators for lithium–sulfur batteries at pouch-cell level (Fig. 1).The as-obtained lithium–sulfur batteries employing PG separators exhibited enhanced capacity, cycling stability, and rate capability than those using PP …

 — In order to reduce the content of sulfur and ash in coal, improve the desulfurization and deashing rates, a combined experiment method of microwave …

 — Semantic Scholar extracted view of "Separator modification of lithium-sulfur batteries based on Ni-Zn bimetallic MOF derived magnetic porous Ni-C composites" by Jian‐Cong Cheng et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 221,232,022 papers from all fields of science ...

 — Through a literature review, the magnetism of organic sulfur can be improved by heating (Gryglewicz et al., 1996), while reduced iron powder can be used as an …

 — Lithium–sulfur battery is one of the most promising battery systems for industrialization due to its high theoretical specific capacity and high energy density. Nonetheless, the "shuttle effect" has restrained the advancement of lithium–sulfur batteries. In this work, a gradient-structured nanofiber membrane with pure gelatin on one side …

Lithium-sulfur (Li-S) batteries are regarded as one of promising energy storage systems. However, rapid capacity attenuation caused by shuttle effect of soluble polysulfides are major challenge in practical application. The separator modification is regarded as one countermeasure besides the constru …

 — A framework for selective sulfidation is proposed for the practical separation and enrichment of numerous metallic elements, to enable environmentally and …

 — Magnetite is the most magnetic of all the naturally occurring minerals on earth and can be readily extracted by low-intensity magnetic separators from magnetite ores. On the other hand, oxidized iron ores like martite, hematite, specularite, limonite, and siderite are weakly magnetic, and require high-intensity and high gradient magnetic ...

If you have a mixture of iron filings and sulfur powder, magnetic separation can be used to extract the iron filings from the mixture. In this case, the iron filings are magnetic while the sulfur is not. ... Magnetic Separator: Essential equipment in the process, with types including drum, belt, and roller separators serving different applications.

 — Superconducting magnetic separation is a method of mineral separation by a magnetic separator with superconductor as a magnetic system. Its application is mainly with the aid of a superconducting magnetic separator equipment. ... etc. in coal. (3) Coal desulfurization – The sulfur contained in coal burning can easily cause serious …

 — Learn some effective ways to use magnetic separation for iron ore recovery, such as choosing the right type of separator, optimizing the operating conditions, and combining it with other methods.

Dry magnetic separation (DMS) enables to separate the non-magnetic fraction of iron ores at the initial stage of their concentration and therefore to decrease cost of their further …

 — To inhibit it, the glass fiber membrane modified by magnetic mesoporous Fe3O4 mixed with Ketjen black is designed and used as the separator for lithium-sulfur batteries in this work.

 — However, there are still a series of problems, which seriously affect the commercial application of lithium-sulfur batteries. Therefore, a magnetic porous carbon material was developed in this work for the modification of lithium-sulfur battery separators, which may reduce the shuttle effect of polysulfides and increase its electrochemical ...

 — The mineral-specific magnetic susceptibility (χ) is equal to 1.26 × 10 −7 –7.5 × 10 −6 m 3 /kg, which can be recovered in a high magnetic field magnetic separator with a magnetic field strength H 0 of 800–1600 KA/m. It includes most iron and manganese minerals, such as hematite, specularite, limonite, siderite, manganese hydrate, hard …

 — The magnetic separation technology of fine coal desulfurization is shown in Fig. 1.The high-sulfur fine coal was classified as 0.5 mm/0.25 mm. Microwave energy of different frequencies obtained using a micro-processing system was applied to −0.5 mm/0.25 mm fine coal.