Organic alcohol/acid low-temperature preparation method of active carbon with high-oxygen-containing functional group
A technology of organic alcohol and activated carbon, applied in chemical instruments and methods, inorganic chemistry, carbon compounds, etc., to achieve the effects of low activation temperature, easy acquisition, and improved adsorption performance
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Embodiment 1
[0011] Mix pentaerythritol powder with phosphoric acid at a mass ratio of 1:1; then place the above sample in a muffle furnace and carbonize and activate it at 250°C for 1 hour; turn off the power and simmer in the furnace for 1.5 hours before taking it out; then wash it with deionized water To pH = 6.5-7.0, filter and dry to obtain activated carbon with high oxygen-containing functional groups.
Embodiment 2
[0013] Mix tartaric acid powder with phosphoric acid at a mass ratio of 1:2.5; then place the above sample in a muffle furnace and carbonize and activate it at 350°C for 30 minutes; turn off the power and stew in the furnace for 1.5 hours before taking it out; then wash with deionized water To pH = 6.5-7.0, filter and dry to obtain activated carbon with high oxygen-containing functional groups.
Embodiment 3
[0015] Mix glucose powder with phosphoric acid at a mass ratio of 1:2; then place the above sample in a muffle furnace and carbonize and activate it at 300°C for 40 minutes; turn off the power and simmer in the furnace for 1.5 hours before taking it out; then wash it with deionized water To pH = 6.5-7.0, filter and dry to obtain activated carbon with high oxygen-containing functional groups.
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