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A sorbent is a material used to absorb or adsorb liquids or gases. Examples include: *A material similar to molecular sieve material, which acts by adsorption (attracting molecules to its surface). It has a large internal surface area and good thermal conductivity. It is typically supplied in pellets of 1 mm to 2 mm diameter and roughly 5 mm length or as grains of the order 1 mm. Occasionally as beads up to 5 mm diameter. They are typically made from aluminium oxide with a porous structure. *Materials used to absorb other materials due to their high affinity for doing so. Examples include: * *In composting, dry (brown, high-carbon) materials absorb many odoriferous chemicals, and these chemicals help to decompose these sorbents. * *A sponge absorbs many times its own weight in water. * *A polypropylene fiber mat may be used to absorb oil. * *A cellulose fiber product may be used to absorb oil. * *The granular gel material in a baby diaper will absorb several times its original weight in urine. * *Polymethylsiloxane polyhydrate (PMSPH) is a gelly-like polymeric organosilicon compound. PMSPG is an sorbent designed for binding toxic substances of different nature, pathogens and metabolites in the gastrointestinal tract and their excretion. * *Desiccants absorb water, drying out (desiccating) the surrounding materials. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「sorbent」の詳細全文を読む スポンサード リンク
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