Efficient Removal of Cd2+ by the Mesoporous Silica Functionalized by APTES
2013 ◽
Vol 726-731
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pp. 2409-2412
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Ph Value
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Amino-functionalized mesoporous silica (AFMS) with high amino loading, high surface area, and large pore size was synthesized using the anionic surfactant N-lauroylsarcosine sodium (Sar-Na) as template and 3-aminopropyltriethoxysilane (APTES) as co-structure directing agent (CSDA). The synthesized AFMS was characterized by N2adsorption-desorption, TEM and elemental analyzer. The results of the removal of Cd2+from aqueous solution showed that the pH value of aqueous solution affected the removal efficiency of Cd2+greatly, and that unary adsorption isotherm of Cd2+on the AFMS was well described by the Sips isotherm model, in which the adsorption capacity was 2.43 mmol/g for Cd2+, much higher than the literature data.
Keyword(s):
High surface area mesoporous activated carbon-alginate beads for efficient removal of methylene blue
2018 ◽
Vol 107
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pp. 1792-1799
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