A microwave-assisted method for preparing activated carbon-manganese dioxide nanocomposites
A nanocomposite material and a technology for preparing activated carbon, applied in the field of nanomaterials, can solve problems such as weak adsorption, strong anti-interference, and large agglomeration, and achieve the effects of less defects, excellent electrical conductivity, and low cost
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Embodiment 1
[0027] The microwave assisted method of preparing the activated carbon-manganese dioxide nano-composite material, the specific steps are as follows:
[0028] Step 1, 3 g of 40 eye popskets were placed in a concentration of 0.5 mol / l, 0.1 L of potassium permanganate, and mixed for 30 min, then titration drop (10 mL / min) concentration was 0.5 mol / L-ethanol solution (potassium permanganate in the potassium permanganate) is 1.5 times the ethanol in the ethanol moles in the ethanol solution, and at a temperature of 50 ° C, reacting 0.2 h, and the temperature remains continued to add a phosphoric acid solution (phosphoric acid solution) The concentration of 10 wt%, the phosphoric acid solution and the potassium permanganate saturated solution were 500 ml: 100 mL), activated 2h, and filtered, washed, dried, and dried to obtain poplar wood pair of laminar manganese dioxide;
[0029] Step 2, raw poplar wood chopper in step 1 is raised to a temperature of 400 ° C in a temperature of 9...
Embodiment 2
[0032] The microwave assisted method of preparing the activated carbon-manganese dioxide nano-composite material, the specific steps are as follows:
[0033] Step 1, 3 g of 40 eye popskets were placed in a concentration of 0.1 mol / l, 0.1 L of potassium permanganate, and mixed for 30 min, then titration (10 ml / min) was added dropwise to 0.1 mol / L-ethanol solution (potassium permanganate saturance solution is 2.5 times the ethanol in the ethanol moles in the ethanol solution, at a temperature of 80 ° C, and maintain the temperature constant to continue to add a phosphoric acid solution (phosphoric acid solution) The concentration of 30 wt%, the phosphoric acid solution and the potassium saturated solution of the potassium permanganate were 100 mL: 100 mL), activated 2h, and filtered, washed, dried to obtain a poplar wood pair of laminar manganese dioxide;
[0034] Step 2, the poplar wood chips obtained by the loaded manganese dioxide obtained in step 1 were raised to the tempe...
Embodiment 3
[0037] The microwave assisted method of preparing the activated carbon-manganese dioxide nano-composite material, the specific steps are as follows:
[0038]Step 1, 3 g of 40 eye popskets were placed in a concentration of 0.2 mol / l, 0.1 L of potassium permanganate, and mixed for 30 min, then titration (titration velocity was 10 mL / min) was 0.2 mol / L-ethanol solution (potassium permanganate, potassium permanganate) is 2 times the ethanol in the ethanol solution in the ethanol solution in the potassium permanganate solution, and the temperature remains at a temperature of 0.3 h, and the temperature does not continue to add a phosphoric acid solution (phosphoric acid solution) The concentration of 25 wt%, the phosphoric acid solution and the potassium saturated solution of the potassium permanganate were 200 ml: 100 mL), activated 2h, and filtered, washed, dried, and dried to obtain poplar wood in loaded manganese dioxide;
[0039] Step 2, pop pops with the loaded manganese dio...
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