Adsorbent Resin for Drug Purification

Lanlang adsorbent resins are polymeric adsorbents are macroporous hydrophobic resins (crosslinked DVB) that sequester products or impurities from other components in streams.

These resins have high crosslinking levels that offer excellent mechanical and chemical resistance, leading to robust performance in customers' purification processes, whether column processes or stirred-tank adsorption systems. Resin and captured impurities may be discarded after use or the resin may be regenerated for multiple uses, depending on the application. Products are available in a range of particle sizes, pore sizes, and surface areas to provide a variety of adsorption capacity and selectivity.

In adsorption purification processes, molecules are preferentially adsorbed onto the surface and into the interior of the macroporous resins. Hydrophobic interactions drive attractive forces between these unfunctionalized resins and target molecules. Because the binding capacity increases with accessible surface area, particle size and porosity can impact the degree of interaction and therefore selectivity. Molecules must be small enough to access the interior surface area of these macroporous resins, so the pore diameter and swelling behavior under application conditions play important roles in controlling molecule selectivity. Adsorption purification processes can be designed to capture either impurities or products from process streams.

Lanlang is the member of American Water Quality Association. In 2016, Lanlang obtained WQA Certification with NSF / ANSI61 and 372 standard. And in 2022, Lanlang obtained NSF Certification with NSF/ANSI44 and 42 standard.

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