Ion Exchange Resin for Hydrometallurgy

Lanlang ^® TA305GD Is a premium grade macroporous anion exchange resin with polystyrene matrix and both strong and weak base function group, which is specially designed for gold extraction by cyanidation in hydrometallurgy industry. Its specific matrix makes TA305GD has excellent resistance to mechanical attrition and osmotic pressure. TA305GD has macroporous structure with large specific surface area that provides high kinetic exchange capacity and total adsorption capacity.

Production practice has proved that the resin pulp method is better than carbon pulp method because resin has better performance in mechanical hardness, consumption loss, adsorption capacity and efficiency.

Hydrometallurgy has evolved, both as an alternative to and a complementary method for the pyrometallurgical recovery of metals. It eases the recovery of value metals from ores containing impurities that can produce high-melting-point slags. It also makes it economically viable to recover metals on a smaller scale and from sulfide ores without producing acid. Hydrometallurgy provides for a more direct metal-recovery route, reducing working capital and enabling new methods that can recover metals now in scarce supply.

Through research and development, hydrometallurgical processing has made steady progress. Now, it makes better use of resources like water, energy, and available land, greatly improving both capital and operating costs and reducing atmospheric emissions.

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