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Chelating Resin

01-30-2024
Iron removal technology of hydrometallurgical lithium battery leaching solution
After nearly a thousand charge and discharge cycles, the active substances inside lithium-ion batteries gradually lose their activity, leading to a decline in battery capacity and eventual disposal.
10-05-2023
Case Study: Recovery of Precious Metals as Platinum
Advantages of Resin Adsorption: -Environmental-friendly and low energy consumption, operating under ambient temperature and pressure conditions. -Sunresin's chelating resin demonstrates excellent performance in the extraction of precious metals such as cobalt, vanadium, platinum, palladium, and gold. It not only achieves the requirements for the wastewater maximum content of metals but also enables the recovery of high-concentration metal salt solutions. -The resin has very high adsorption capabilities across different concentrations of mother liquor, with minimal impact from the ionic form of platinum and palladium. It operates stably under various pH conditions, facilitating the recovery of precious metals. In the field of platinum catalyst recovery in the pharmaceutical industry, this resin series offers high processing precision and large adsorption capacity compared to traditional recovery processes.
04-27-2021
Seplite® LSC495, Nickel Recovery in a More Cost-Effective and Eco-friendly Way
Sunresin is proud to offer a new generation of Nickel-selective chelating resins to overcome the disadvantages of solvent extraction methods: Seplite® LSC495 offers high selectivity for Nickel and is unaffected by Iron in solution. Consequently, no pretreatment is necessary, which makes it possible to reduce the losses of nickel. Regeneration of Seplite® LSC495 can be carried out by sulfuric acid and does not lead to saponification of the bis-Picolylamine chelating group. Thanks to its very high selectivity, this type of resin has made it possible to considerably reduce the cost of nickel production.
12-01-2020
A Better Choice for Tungsten and Molybdenum Separation
Sunresin has set up special topics and established a special research team based on customers’ needs to conduct research and analysis on the element composition and existing technology of tungsten leaching solution, and successfully developed sepcial resin Seplite® LSC680 for tungsten and molybdenum separation as well as the matching process. Through special pretreatment to the feed solution, the molybdenum in the solution will be highly selectively adsorbed on the LSC680 resin, while the tungsten remains in the solution after adsorption. The separation of tungsten and molybdenum can be realized in a simple and efficient manner.
06-09-2020
Application of New Vanadium Recovery Resin and Automatic Control Technology in Vanadium Recovery from Stone Coal
Sunresin has developed a new vanadium extraction resin based on its own experience and technology in resin R&D and application process optimization. After industrial verification, compared with conventional anion exchange resin, the resin has higher adsorption capacity and strength, better selectivity for pentavalent vanadium, and more outstanding anti pollution ability, well-received by industry production enterprises.
05-28-2020
Recycle Copper from Adipic Acid Crystal Mother Liquor, Recycling Ratio >95%
SEPLITE®LSC710 is a macroporous weak acidic cationic resin with iminodiacetate chelating active group can provided high selectivity chelating resin for copper separation and recycling from Adipic acid spent CML, copper recycling ratio almost can reach to 99%.
08-03-2019
Advantages and Disadvantages of Chelating Resins and Their Application Prospects
Compared with small molecule chelating agents, chelating resins have the advantages of simple synthesis, low cost, large adsorption capacity, easy elution, less interference, good mechanical properties and it is extremely stable for acids, bases and various solvents. Compared with ion exchange resins, chelating resins have stronger binding ability and higher selectivity to metal ions. When chelating resins chelate with specific metal ions, there will be many special physical and chemical properties, which are widely known as catalysts, photosensitive materials and antistatic agents.
08-01-2019
Application Fields of Chelating Resins
Chelating resins are widely used in hydrometallurgy, analytical chemistry, marine chemistry, pharmaceuticals, environmental protection, geochemistry, radiochemistry and catalysis. In addition to being a metal ion chelating agent, it can also be used as a catalyst for oxidation, reduction, hydrolysis, olefin addition polymerization, oxidative coupling polymerization, and for the resolution of racemates of amino acids and peptides.
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