Magnetic response nanorod-shaped desulfurization adsorbent as well as preparation method and application thereof
A nanorod-shaped, magnetic nanorod technology, applied in chemical instruments and methods, refined hydrocarbon oil, other chemical processes, etc., can solve problems such as the gap in mass transfer improvement, and achieve the effects of enhancing rapid contact, convenient recovery, and saving time and cost.
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Embodiment 1
[0016] Weigh 1g of ferric chloride in a 250mL beaker, add 40mL of ethylene glycol, and stir to FeCl at room temperature 3 Completely dissolved to obtain an orange transparent solution; add 0.5g of anhydrous sodium acetate and 6.0g of trisodium citrate solid powder to the above solution, continue stirring for 30min, add the above solution to the polytetrafluoroethylene reactor at 200 ° C After 10 hours of reaction, magnetic ferric oxide nanoparticles were obtained. Measure 3 mL of the above black solution in a beaker, wash with ethanol and magnetically separate it with a strong magnet for 3 times, then add 40 mL of ethanol, 6 mL of deionized water and 2 mL of ammonia water, and then add the resulting solution to a 250 mL three-necked flask after sonicating for 5 min after sealing with plastic wrap. Gradually add 120 μL of tetraethyl orthosilicate to the above solution, mechanically stirring for 12 min at 30 °C; drop the reacted solution into the prepared cuvette quickly and eve...
Embodiment 2
[0019] Weigh 1g of ferric chloride in a 250mL beaker, add 40mL of ethylene glycol, and stir to FeCl at room temperature 3 Complete dissolving to obtain an orange transparent solution; add 0.5g of anhydrous sodium acetate and 6.0g of trisodium citrate solid powder to the above solution, continue stirring for 30min, add the above solution to the polytetrafluoroethylene reactor and react at 20°C After 10 hours, magnetic ferric oxide nanoparticles were obtained. Measure 3 mL of the above black solution in a beaker, wash with ethanol and magnetically separate it with a strong magnet for 3 times, then add 40 mL of ethanol, 6 mL of deionized water and 2 mL of ammonia water, and then add the resulting solution to a 250 mL three-necked flask after sonicating for 5 min after sealing with plastic wrap. Gradually add 120 μL tetraethyl orthosilicate dropwise to the above solution, mechanically stir at 30C for 12 min; quickly and evenly drop the reacted solution into the prepared cuvette, p...
Embodiment 3
[0022] Weigh 1g of ferric chloride in a 250mL beaker, add 40mL of ethylene glycol, and stir to FeCl at room temperature 3 Complete dissolving to obtain an orange transparent solution; add 0.5g of anhydrous sodium acetate and 6.0g of trisodium citrate solid powder to the above solution, continue stirring for 30min, add the above solution to the polytetrafluoroethylene reactor and react at 20°C After 10 hours, magnetic ferric oxide nanoparticles were obtained. Measure 3 mL of the above black solution in a beaker, wash with ethanol and magnetically separate it with a strong magnet for 3 times, then add 40 mL of ethanol, 6 mL of deionized water and 2 mL of ammonia water, and then add the resulting solution to a 250 mL three-necked flask after sonicating for 5 min after sealing with plastic wrap. Gradually add 120 μL of tetraethyl orthosilicate to the above solution, mechanically stirring for 12 min at 30 °C; drop the reacted solution into the prepared cuvette quickly and evenly, a...
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