Multi-ion Adsorption Materials Prepared by Inorganic Ion Doping and Large Hindrance Organic Modification
A technology for adsorbing materials and inorganic ions, applied in the field of environment and materials, can solve the problems of difficult coexistence of acids and bases, and the inability of adsorbent materials to adsorb at the same time, and achieve the effects of pore rules, environmental protection, and broad application prospects.
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Embodiment 1
[0023] A multi-ion adsorption material prepared by inorganic ion doping and large steric hindrance organic modification, the preparation method specifically includes the following steps:
[0024] 1) Mix the aqueous solution containing 0.4318g ferric nitrate with 4mL TEOS and 68mL ethanol, add 20mLNH 4 OH solution was stirred until clear;
[0025] 2) Then add 100mL of an aqueous solution in which 1g of CTBA is dissolved, stir and react at room temperature for 3h, then undergo hydrothermal crystallization, filtration, washing, drying, and calcination to synthesize Fe-MCM-41 with a Si / Fe ratio of 10;
[0026] 3) After drying the synthesized Fe-MCM-41 at 150°C, take 1.0g and add it to a toluene solution containing 5mL APTES, stir vigorously at room temperature for 20h, filter, wash the filter cake with a large amount of ethanol, and dry to obtain a white powder ;
[0027] 4) Add 1.0 g of the white powder obtained in step 3) into a saturated tetrahydrofuran solution containing 1....
Embodiment 2
[0031] A multi-ion adsorption material prepared by inorganic ion doping and large steric hindrance organic modification, the preparation method specifically includes the following steps:
[0032] 1) Mix the aqueous solution containing 0.4318g ferric nitrate with 4mL TEOS and 68mL ethanol, add 20mLNH 4 OH solution was stirred until clear;
[0033] 2) Then add 100mL of an aqueous solution in which 1g of CTBA is dissolved, stir and react at room temperature for 3h, then undergo hydrothermal crystallization, filtration, washing, drying, and calcination to synthesize Fe-MCM-41 with a Si / Fe ratio of 10;
[0034] 3) After drying the synthesized Fe-MCM-41 at 150°C, take 1.0g and add it to a toluene solution containing 5mL APTES, stir vigorously at room temperature for 20h, filter, wash the filter cake with a large amount of ethanol, and dry to obtain a white powder ;
[0035] 4) Add 1.0 g of the white powder obtained in step 3) into a saturated tetrahydrofuran solution containing 1....
Embodiment 3
[0039] A multi-ion adsorption material prepared by inorganic ion doping and large steric hindrance organic modification, the preparation method specifically includes the following steps:
[0040] 1) Mix the aqueous solution containing 0.04318g ferric nitrate with 4mL TEOS and 68mL ethanol, add 20mLNH 4 OH solution was stirred until clear;
[0041] 2) Then add 100mL of an aqueous solution in which 1g of CTBA is dissolved, stir and react at room temperature for 3h, then undergo hydrothermal crystallization, filtration, washing, drying, and calcination to synthesize Fe-MCM-41 with a Si / Fe ratio of 100;
[0042] 3) After drying the synthesized Fe-MCM-41 at 150°C, take 1.0g and add it to a toluene solution containing 5mL APTES, stir vigorously at room temperature for 20h, filter, wash the filter cake with a large amount of ethanol, and dry to obtain a white powder ;
[0043] 4) Add 1.0 g of the white powder obtained in step 3) into a saturated tetrahydrofuran solution containing ...
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