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Md. Rabiul Awual,Md. Abdul Khaleque,Yeasmin Ratna,Hussein Znad 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
A novel functionalized mesoporous silica based meso-adsorbent was prepared for simple, efficient andrapid determination, sorption and recovery of trace palladium(II) in wastewater. The meso-adsorbentwas prepared by indirect immobilization of ((3-(3-(methoxycarbonyl)benzylidene)hydrazinyl)benzoicacid) onto the cage-pored mesoporous silica. The optimum conditions were measured as a function ofsolution acidity, contact time, ion selectivity and adsorption isotherms models. The data revealed thatmeso-adsorbent offered simple and one-step procedure without using high tech instruments. Thedetermined detection limit and sorption capacity were 0.11 mg/L and 184.50 mg/g, respectively. Themeso-adsorbent can be repeatedly recycled without deterioration of the unique mesostructures andmaintaining the same functionality for detection/sorption operations in next uses.