Mechanism of adsorption of rectorite was ion exchange adsorption, with physical adsorption while adsorption of Zr-pillared rectorite was chemical and physical adsorption without ion exchange.

• 结果表明柱撑累托石的脱色率明显高于提纯累托石，提纯累托石以离子交换吸附为主，伴随物理吸附，而锆基柱撑累托石是化学吸附和物理吸附，不存在阳离子交换。