Preparation method and application of MnxOy material
A mixed solution and distilled water technology, applied in chemical instruments and methods, water/sludge/sewage treatment, metal/metal oxide/metal hydroxide catalyst, etc., can solve the problem of pollutants, teratogenicity, Threats to human health and safety and other issues, to achieve the effect of repeatable harmless treatment
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Embodiment 1
[0030] mn x o y The preparation of materials, the method is as follows:
[0031] 1) Dissolve 2 mmol of manganese chloride tetrahydrate in a mixed solution of 25 mL of distilled water and 20 mL of glycerol and keep stirring for 25 min to form a mixed solution 1;
[0032] 2) Under the condition of magnetic stirring, add 10 mL of 2 mol / L NaOH solution dropwise to the above mixed solution 1 and continue to stir for 3 h to form mixed solution 2;
[0033] 3) Pour the mixture 2 into a 100ml reaction kettle, put it in an oven, and keep the temperature at 150°C for 24 hours;
[0034] 4) After the reaction is completed, cool to room temperature, centrifuge the obtained precipitate, wash 3 times with distilled water, wash 2 times with ethanol, and dry at 60°C for 5.5 hours to obtain brown-yellow Mn x o y Material.
Embodiment 2
[0036] mn x o y The preparation of materials, the method is as follows:
[0037] 1) Dissolve 2 mmol of manganese chloride tetrahydrate in a mixed solution of 15 mL of distilled water and 30 mL of glycerol and keep stirring for 25 min to form a mixed solution 1;
[0038] 2) Under the condition of magnetic stirring, add 10 mL of 2 mol / L NaOH solution dropwise to the above mixed solution 1 and continue to stir for 3 h to form mixed solution 2;
[0039] 3) Pour the mixture 2 into a 100ml reaction kettle, put it in an oven, and keep the temperature at 150°C for 24 hours;
[0040] 4) After the reaction is completed, cool to room temperature, centrifuge the obtained precipitate, wash 3 times with distilled water, wash 2 times with ethanol, and dry at 80°C for 9.5 hours to obtain brown-yellow Mn x o y Material.
Embodiment 3
[0042] mn x o y The preparation of materials, the method is as follows:
[0043] 1) Dissolve 2 mmol of manganese chloride tetrahydrate in a mixed solution of 15 mL of distilled water and 30 mL of glycerol and keep stirring for 25 min to form a mixed solution 1;
[0044] 2) Under the condition of magnetic stirring, add 10 mL of 2 mol / L NaOH solution dropwise to the above mixed solution 1 and continue to stir for 3 h to form mixed solution 2;
[0045] 3) Pour the mixture 2 into a 100ml reaction kettle, put it in an oven, and keep the temperature at 150°C for 24 hours;
[0046] 4) After the reaction is completed, cool to room temperature, centrifuge the obtained precipitate, wash 3 times with distilled water, wash 2 times with ethanol, and dry at 60°C for 5.5 hours to obtain brown-yellow Mn x o y Material.
[0047] figure 1 shows Mn x o y The X-ray diffraction pattern of the material, it can be seen from the figure that the prepared Mn x o y The material is a composite of...
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