A kind of preparation method of melon seed shell hydrothermal activated carbon
A technology of melon seed shells and activated carbon, which is applied in chemical instruments and methods, carbon compounds, inorganic chemistry, etc., can solve the problems of increased specific surface area and unstable structure of hydrothermal carbon materials, and achieve surface area enhancement, improved adsorption capacity, and improved Effect of Ash Content
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example 1
[0028] Take 100g of melon seed shells, wash them with deionized water, place them in a ball mill jar after natural drying, ball mill them at a speed of 300r / min for 40min, pass through an 80-mesh sieve to obtain ball milled melon seed shell powders; place the ball milled melon seed shell powders in an oven, Adjust the temperature to 85°C and take it out after 2 hours to obtain dry ball-milled powder; mix 100g of dry ball-milled powder and 200mL of 20% hydrogen peroxide in a beaker, and then place the beaker in a 180W ultrasonic oscillator for ultrasonic vibration Filter after 10h to obtain modified ball mill powder; pour the modified ball mill powder into a high-pressure reactor filled with 600g of deionized water, and add 30g of potassium permanganate solution with a mass fraction of 5%. , adjust the temperature to 220°C, stir at a speed of 200r / min for 1.5h, let stand to cool to room temperature, and obtain a modified mixed solution; filter the modified mixed solution, and st...
example 2
[0030]Take 110g of melon seed shells, wash them with deionized water, place them in a ball mill jar after natural drying, ball mill them with a speed of 310r / min for 45min, and pass through an 80-mesh sieve to obtain ball milled melon seed shell powders; place the ball milled melon seed shell powders in an oven, Adjust the temperature to 90°C and take it out after 2 hours to obtain dry ball-milled powder; mix 100g of dry ball-milled powder and 200mL of 20% hydrogen peroxide in a beaker, and then place the beaker in a 200W ultrasonic oscillator for ultrasonic vibration Filter after 11 hours to obtain modified ball mill powder; pour the modified ball mill powder into a high-pressure reactor filled with 660g of deionized water, and add 35g of potassium permanganate solution with a mass fraction of 5%. , adjust the temperature to 230°C, stir at a speed of 220r / min for 1.5h, let stand to cool to room temperature, and obtain a modified mixed solution; filter the modified mixed soluti...
example 3
[0032] Get 120g of melon seed shells, wash them with deionized water, place them in a ball mill jar after natural drying, ball mill them at a speed of 320r / min for 50min, and pass through an 80-mesh sieve to obtain ball milled melon seed shell powders; place the ball milled melon seed shell powders in an oven, Adjust the temperature to 95°C and take it out after 3 hours to obtain dry ball-milled powder; mix 100g of dry ball-milled powder and 200mL of 20% hydrogen peroxide in a beaker, and then place the beaker in a 220W ultrasonic oscillator for ultrasonic vibration Filter after 12 hours to obtain the modified ball mill powder; pour the modified ball mill powder into a high-pressure reactor filled with 720g of deionized water, and add 40g of potassium permanganate solution with a mass fraction of 5%. , adjust the temperature to 240°C, stir at a speed of 250r / min for 2h, let stand and cool to room temperature, and obtain a modified mixed solution; filter the modified mixed solut...
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