A method for preparing shaped activated carbon from pyrolysis carbon as raw material
A technology of forming activated carbon and thermal cracking, applied in chemical instruments and methods, inorganic chemistry, non-metallic elements, etc., can solve the problems of agglomeration, low activation efficiency, non-uniform activation, etc., to improve the ecological environment, shorten the operation process, The effect of expanding the field of raw materials
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Embodiment 1
[0025] (1) at a temperature of 45 ° C, the pyrolysis carbon of pine sylvestris was extracted by refluxing with a pure dichloromethane solvent for 5 hours to remove the residual pyrolysis oil in the pyrolysis carbon of pine sylvestris, and then at a concentration of 1mol / Soak in L hydrochloric acid solution at a temperature of 65°C, stir for 1 hour, stop heating, continue stirring for 1.5 hours, wash with deionized water until neutral, and dry at 95°C for 2 hours to obtain pretreated camphor Pine pyrolysis carbon;
[0026] (2) Mix the pretreated pine pine pyrolysis carbon, pyrolysis oil phenolic resin binder and water according to the following mass percentages: pretreated pyrolysis carbon: 80%, binder: 15%, water 5%, and the mixing temperature is 25°C, the mixing process is as follows: add the metered amount of water to the metered amount of pyrolysis oil phenolic resin binder, fully stir and mix evenly to obtain a diluted resin, add the diluted resin to the metered amount of...
Embodiment 2
[0029] (1) at a temperature of 55° C., the poplar pyrolysis carbon was subjected to reflux extraction with dichloromethane pure solvent for 4.5 hours, to remove the residual pyrolysis oil in the poplar pyrolysis carbon, and then in a concentration of 2mol / L Soak in hydrochloric acid solution at 75°C, stir for 0.5 hours, stop heating, continue stirring for 2 hours, wash with deionized water until neutral, and dry at 100°C for 2 hours to obtain pretreated poplar thermal cracking carbon;
[0030](2) Mix the obtained pretreated poplar pyrolysis carbon, pyrolysis oil phenolic resin binder and water according to the following mass percentages: pretreated pyrolysis carbon: 75%, binder: 20%, water 5%, mixing temperature The temperature is 30 °C, and the mixing process is as follows: adding the metered amount of water to the metered pyrolysis oil phenolic resin binder, fully stirring, and mixing evenly to obtain a diluted resin, adding the diluted resin to the metered pretreatment pyro...
Embodiment 3
[0033] (1) The straw pyrolysis carbon was refluxed for 6 hours with dichloromethane pure solvent at a temperature of 60 °C to remove the residual pyrolysis oil in the straw pyrolysis carbon, and then the carbonic acid with a concentration of 1.5mol / L was used for extraction. Soak in the solution at 60°C, stir for 1 hour, stop heating, continue stirring for 3 hours, wash with deionized water until neutral, and dry at 85°C for 2 hours to obtain pretreated straw pyrolysis carbon;
[0034] (2) Mix the obtained pretreated straw pyrolysis carbon, pyrolysis oil phenolic resin binder and water according to the following mass percentages: pretreated pyrolysis carbon: 85%, binder: 10%, water 5%, and the mixing temperature is 27°C, the mixing process is as follows: add the metered amount of water to the metered amount of pyrolysis oil phenolic resin binder, fully stir and mix evenly to obtain a diluted resin, add the diluted resin to the metered amount of pretreated pyrolysis carbon, and ...
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Abstract
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