A ctfs/go composite with adsorption and photocatalytic site separation and its preparation method and application
A composite material and site separation technology, used in catalyst activation/preparation, chemical instruments and methods, adsorbed water/sewage treatment, etc. Difficult to recover alkene and other problems, to achieve the effect of effective separation, simple preparation and low cost
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Embodiment 1
[0028] In this example, the specific steps for preparing the CTFs / GO composite material with adsorption and photocatalytic site separation are as follows:
[0029] (1) Add 4 mmol of terephthalonitrile into the quartz tube, and slowly add 2.5 mL of trifluoromethanesulfonic acid into the quartz tube in an ice-water bath at 0°C under the protection of nitrogen atmosphere, and keep stirring for 1.5 h. Obtain a homogeneous viscous solution;
[0030] (2) The quartz tube containing the viscous solution in step (1) was then transferred to an electric thermostat blast drying oven, and kept at 100°C for 20 min to obtain a transparent solid substance. The obtained transparent solid substance was ground with a mortar, washed with ethanol and water three times in sequence, and then dried in an oven at 60 °C for 24 h to obtain a white powder, which is the covalent triazine framework (CTFs);
[0031] (3) Mix 10 mL of 2 mg / mL graphene oxide dispersion with 20 mg of CTFs obtained in step (2),...
Embodiment 2
[0034] In this example, the specific steps for preparing the CTFs / GO composite material with adsorption and photocatalytic site separation are as follows:
[0035] (1) Add 4 mmol of terephthalonitrile into the quartz tube, and slowly add 2.5 mL of trifluoromethanesulfonic acid into the quartz tube in an ice-water bath at 0°C under the protection of nitrogen atmosphere, and keep stirring for 1.5 h. Obtain a homogeneous viscous solution;
[0036] (2) The quartz tube containing the viscous solution in step (1) was then transferred to an electric thermostat blast drying oven, and kept at 100°C for 20 min to obtain a transparent solid substance. The obtained transparent solid material was ground with a mortar, washed with ethanol and water three times in sequence; then dried in an oven at 60 °C for 24 h to obtain a white powder, which is the covalent triazine framework (CTFs);
[0037] (3) Mix 10 mL of 2.5 mg / mL graphene oxide dispersion with 20 mg of CTFs obtained in step (2), and ...
Embodiment 3
[0040] In this example, the specific steps for preparing the CTFs / GO composite material with adsorption and photocatalytic site separation are as follows:
[0041] (1) Add 4 mmol of terephthalonitrile into the quartz tube, and slowly add 2.5 mL of trifluoromethanesulfonic acid into the quartz tube in an ice-water bath at 0°C under the protection of nitrogen atmosphere, and keep stirring for 1.5 h. A homogeneous viscous solution is obtained;
[0042] (2) The quartz tube containing the viscous solution in step (1) was then transferred to an electric thermostat blast drying oven, and kept at 100°C for 20 min to obtain a transparent solid substance. The obtained transparent solid material was ground with a mortar, washed with ethanol and water three times in sequence; then dried in an oven at 60 °C for 24 h to obtain a white powder, which is the covalent triazine framework (CTFs);
[0043] (3) Mix 10 mL of 3 mg / mL graphene oxide dispersion with 20 mg of CTFs obtained in step (2),...
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