Synthesis method and application of soluble organic matter/Fe3O4/carbon nanotube composite material
A technology of dissolved organic matter and carbon nanotubes, which is applied in chemical instruments and methods, water/sludge/sewage treatment, water/sewage treatment, etc., can solve the problem of not being able to guarantee that pollutants will not desorb and cause pollution again, and the cost of coupling methods High, unfavorable promotion and use, etc., to achieve the effect of increasing electrochemical performance, good application prospects, and low cost
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Embodiment 1
[0030] 0.1 g Fe 3 o 4 The particles and 0.1 g of aminated carbon nanotubes were dispersed in 30 mL of dichloromethane and absolute ethanol mixture with a volume ratio of 1:1, heated to 35 °C in a water bath; anthraquinone-2-sulfonyl chloride was added to a final concentration of 0.5 mmol / L, continue to stir for 2 h under the protection of nitrogen, wash with deionized water until the washing solution is neutral, and dry under vacuum at 40 °C to obtain dissolved organic matter / Fe 3 o 4 / carbon nanotube composite (AQS / Fe 3 o 4 / CNTs); where anthraquinone-2-sulfonyl chloride was added to 30 mL of dichloromethane by adding 2.0 g of anthraquinone-2-sulfonate sodium, and when the water bath was heated to 60 °C, 2.2 mL of thionyl chloride was added, and after mixing React for 2 h, cool to room temperature, evaporate the obtained reaction solution at 40 °C, dissolve in 20 mL of dichloromethane, and dry to prepare;
[0031] AQS / Fe 3 o 4 The FTIR diagram of / CNTs material is sho...
Embodiment 2
[0034] 0.1 g Fe 3 o 4 The particles and 0.1 g of aminated carbon nanotubes were dispersed in 30 mL of a mixture of dichloromethane and absolute ethanol with a volume ratio of 1:0.5, heated in a water bath to 35 °C; anthraquinone-2-sulfonyl chloride was added to a final concentration of 0.5 mmol / L, continue to stir for 2 h under the protection of nitrogen, wash with deionized water until the washing solution is neutral, and dry under vacuum at 40 °C to obtain dissolved organic matter / Fe 3 o 4 / carbon nanotube composite (AQS / Fe 3 o 4 / CNTs); wherein anthraquinone-2-sulfonyl chloride was added to 20 mL of dichloromethane by adding 2.5 g of anthraquinone-2-sulfonate sodium, and when the water bath was heated to 55 °C, 2.5 mL of thionyl chloride was added, and after mixing React for 2 h, cool to room temperature, evaporate the resulting reaction solution at 45 °C, dissolve in 30 mL of dichloromethane, and dry to prepare;
[0035] Add AQS / Fe to the mixed solution with pH 8.0, Cr...
Embodiment 3
[0037] 0.1 g Fe 3 o 4 The particles and 0.1 g of aminated carbon nanotubes were dispersed in 30 mL of dichloromethane and absolute ethanol mixture with a volume ratio of 1:2, heated in a water bath to 35 °C; anthraquinone-2-sulfonyl chloride was added to a final concentration of 0.5 mmol / L, continue to stir for 2 h under the protection of nitrogen, wash with deionized water until the washing solution is neutral, and dry under vacuum at 40 °C to obtain dissolved organic matter / Fe 3 o 4 / carbon nanotube composite (AQS / Fe 3 o 4 / CNTs); where anthraquinone-2-sulfonyl chloride was added to 40 mL of dichloromethane by adding 3 g of anthraquinone-2-sulfonate sodium, and when the water bath was heated to 65 °C, 3.0 mL of thionyl chloride was added, and after mixing React for 3 h, cool to room temperature, evaporate the obtained reaction liquid at 45 °C to dryness, then dissolve it with 40 mL of dichloromethane, and dry it to prepare;
[0038] Add AQS / Fe to the mixed solution wit...
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