High-magnetic heavy-metal ion adsorbent carrying conductive high molecules and preparation method thereof
A conductive polymer and high magnetic technology, applied in chemical instruments and methods, inorganic chemistry, water/sludge/sewage treatment, etc., to achieve fast adsorption speed, simple preparation method, and high magnetic responsiveness
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Embodiment 1
[0030] Weigh 1.5 g of ferric chloride hexahydrate, 1 g of polyethylene glycol 2000, and 3.6 g of anhydrous sodium acetate and disperse them in 40 ml of ethylene glycol, and stir vigorously for 60 minutes. The precursor dispersion was transferred to a hydrothermal kettle, the heating temperature was 200° C., and the time was 8 hours. ; Cooled to room temperature, separated by magnetic, the solvothermal product was washed 5 times with deionized water and absolute ethanol. The solvothermal product was vacuum dried at 80°C for 6h. 0.4g of the above-mentioned dried end product was added to 100ml of isopropanol for dispersion, while adding 0.75ml of ammonia and 5.5ml of deionized water, stirring vigorously for 30min. 0.4 ml of tetrabutyl orthosilicate was added to the above dispersion, and then the entire hydrolysis reaction was carried out at 60°C for 8 hours. The hydrolyzed product was washed 5 times with water and alcohol, and dried at 80°C for 8 hours under vacuum conditions. ...
Embodiment 2
[0038] Weigh 3 g of ferric chloride hexahydrate, 5 g of polyethylene glycol 2000, and 3.6 g of anhydrous sodium acetate and disperse in 40 ml of ethylene glycol, and stir vigorously for 60 minutes. The precursor dispersion was transferred to a hydrothermal kettle, and the heating temperature was 250° C. and the time was 10 hours. The solvothermal product was washed 8 times with deionized water and absolute ethanol. The solvothermal product was vacuum dried at 80°C for 4 hours. Take 0.2 g of the above-mentioned dried terminal product and add it to 100 ml of isopropanol for dispersion. At the same time, add 0.5 ml of ammonia and 3 ml of deionized water, and stir vigorously for 30 minutes. 0.6 ml of tetrabutyl orthosilicate was added to the above dispersion, and then the entire hydrolysis reaction was carried out at 60°C for 8 hours. The hydrolyzed product was washed with water and alcohol for 8 times, and dried at 80°C for 6 hours under vacuum conditions. Add 2g of ferric chlo...
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