Method for making activated carbon by using wild peach pit shells
A technology for preparing activated carbon and core shell, which is applied in the field of preparing activated carbon from pecan shell and achieves the effects of firm texture, developed voids and solving the problem of environmental pollution
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[0022] Implementation case 1
[0023] (1) Dry the hickory shell at 120°C for 12 hours for dehydration;
[0024] (2) Crush the dried raw material through a 40-mesh sieve;
[0025] (3) According to the solid-liquid ratio of 1:2, soak in a 60% zinc chloride solution for 24 hours;
[0026] (4) Place the soaked raw materials in a 400W microwave oven and irradiate the microwave for 30 minutes;
[0027] (5) Place the microwave-irradiated raw materials in an activation furnace at 600°C for 90 minutes;
[0028] (6) Use a dilute hydrochloric acid solution with a volume ratio of 1:9 to boil for 30 minutes;
[0029] (7) Rinse the activated material with tap water to make its pH value 6-7;
[0030] (8) The finished activated carbon can be obtained after drying the raw materials after washing in an oven;
[0031] (9) In this example, the iodine adsorption value of the active carbon from the core shell of the apricot kernel is 1068mg / g.
Example Embodiment
[0032] Implementation case 2
[0033] (1) Dry the hickory shell at 120°C for 12 hours to dehydrate.
[0034] (2) Crush the dried raw material through a 40-mesh sieve.
[0035] (3) According to the solid-liquid ratio of 1:2, soak in 60% zinc chloride solution for 24 hours.
[0036] (4) Place the soaked raw materials in a 500W microwave oven and irradiate the microwave for 20 minutes.
[0037] (5) Place the microwave-irradiated raw materials in an activation furnace at 700°C for 60 minutes.
[0038] (6) Use a dilute hydrochloric acid solution with a volume ratio of 1:9 to boil for 30 minutes.
[0039] (7) Rinse the activator with tap water to make the pH value close to 6-7.
[0040] (8) The finished activated carbon can be obtained by placing the washed raw materials in an oven for drying.
[0041] (9) In this example, the iodine adsorption value of the active carbon from the core shell of the mountain peach is 1132 mg / g.
Example Embodiment
[0042] Implementation case 3
[0043] (1) Dry the hickory shell at 120°C for 12 hours to dehydrate.
[0044] (2) Crush the dried raw material through a 40-mesh sieve.
[0045] (3) According to the solid-liquid ratio of 1:2, soak in 60% zinc chloride solution for 24 hours.
[0046] (4) Place the soaked raw materials in a 700W microwave oven and irradiate the microwave for 15 minutes.
[0047] (5) Place the microwave-irradiated raw materials in an activation furnace at 400°C for 120 minutes.
[0048] (6) Use a dilute hydrochloric acid solution with a volume ratio of 1:9 to boil for 30 minutes.
[0049] (7) Rinse the activator with tap water to make the pH value close to 6-7.
[0050] (8) The finished activated carbon can be obtained by placing the washed raw materials in an oven for drying.
[0051] (9) In this example, the iodine adsorption value of the active carbon from the core shell of Prunus vulgaris was 1351 mg / g.
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