Resin Slab

Resins are produced by inducing controlled cross-linking between certain organic substances.  Resins with a surface area of 100 to about 700 m2 per gram can be produced so as to exhibit a high selectivity for certain substances.  For instance, phenolic resins have been successfully used to remove odorous substances from air streams.

Resins can be produced in granular form such that they resemble activated carbon in physical size and shape.  Resins can therefore be used in a packed bed configuration, using the same vessels and equipment as are used for activated carbon.

Resins are solid or semisolid, water-insoluble, organic substances with little or no tendency to crystallize.  They are the basic components of plastics and are also used for coatings on paper, particleboard, and other surfaces that require a decorative, protective, or special-purpose finish.

Due to its good adsorption capacity and easy regeneration, some resin materials have been used in actual water treatment processes. At present, some studies have focused on the removal of HRPs by resin materials.

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