Preparation method of Al-Mg oxide defluorination material based on biological template
A technology of biological templates and oxides, applied in chemical instruments and methods, water pollutants, water/sludge/sewage treatment, etc., can solve problems such as unsatisfactory defluoridation effect, high preparation cost, respiratory tract infection, etc., and achieve the goal of preparing The method is simple and the effect of green
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Embodiment 1
[0020] (1) Soak the sycamore seed fluff in 50mL, 0.1mol / L hydrochloric acid solution for 12-24 hours, filter and wash with distilled water until the pH value of the filtrate is neutral, and dry it in a drying oven at 60-80°C for 12-24 hours. Obtain the preprocessed biological template;
[0021] (2) Put the pretreated biological template in step (1) into 20mL of a mixed solution of aluminum chloride hexahydrate and magnesium chloride hexahydrate with a molar mass ratio of 1:1, soak at room temperature for 24-48 hours, take out and filter , dried in a drying oven at 60-80°C for 12-24 hours to form bio-AlCl 3 -MgCl 2 ;
[0022] (3) Bio-AlCl 3 -MgCl 2 Put it into the muffle furnace and carry out two-step roasting under oxygen atmosphere. The first step is to keep warm at 400-600°C for 60 minutes, and the second step is to keep warm at 800-1000°C for 120 minutes. The heating rate of the muffle furnace is 0.4-3°C / min, and then naturally cooled to room temperature to form an Al...
Embodiment 2
[0024] (1) Soak the sycamore seed fluff in 50mL, 0.1mol / L hydrochloric acid solution for 12-24 hours, filter and wash with distilled water until the pH value of the filtrate is neutral, and dry it in a drying oven at 60-80°C for 12-24 hours. Obtain the preprocessed biological template;
[0025] (2) Put the pretreated biological template in step (1) into 20mL of a mixed solution of aluminum chloride hexahydrate and magnesium chloride hexahydrate with a molar mass ratio of 1:2, soak at room temperature for 24-48 hours, take out and filter , dried in a drying oven at 60-80°C for 12-24 hours to form bio-AlCl 3 -MgCl 2 ;
[0026] (3) Bio-AlCl 3 -MgCl 2 Send it into the muffle furnace and carry out two-step roasting under oxygen atmosphere. The first step is to keep warm at 400-600°C for 60 minutes, and the second step is to keep warm at 800-1000°C for 120 minutes. The heating rate of the muffle furnace is 0.4-3°C / min, and then naturally cooled to room temperature to form an A...
Embodiment 3
[0028] (1) Soak the sycamore seed fluff in 50mL, 0.1mol / L hydrochloric acid solution for 12-24h, filter and wash with distilled water until the pH value of the filtrate is neutral, and dry it in a drying oven at 60-80°C for 12-24h. Obtain the preprocessed biological template;
[0029] (2) Put the pretreated biological template in step (1) into 20mL of a mixed solution of aluminum chloride hexahydrate and magnesium chloride hexahydrate with a molar mass ratio of 1:4, soak it at room temperature for 24-48 hours, take it out, and filter , dried in a drying oven at 60-80°C for 12-24 hours to form bio-AlCl 3 -MgCl 2 ;
[0030] (3) Bio-AlCl 3 -MgCl 2 Send it into the muffle furnace and carry out two-step roasting under oxygen atmosphere. The first step is to keep warm at 400-600°C for 60 minutes, and the second step is to keep warm at 800-1000°C for 120 minutes. The heating rate of the muffle furnace is 0.4-3°C / min, and then naturally cooled to room temperature to form an Al-M...
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