Mixed substrate biomass activated carbon and preparation method thereof
A biomass charcoal, biomass technology, applied in the fields of carbon compounds, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of limited production and application effect of biomass activated carbon products, unable to meet market demand, etc., and achieve effective wastewater treatment. route, superior adsorption performance, and the effect of short regeneration cycle
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[0029] The features and advantages of the present invention can be further understood through the following detailed description in conjunction with the accompanying drawings. The examples provided are only illustrative of the method of the present invention and do not limit the rest of the present disclosure in any way.
[0030] Grapefruit peel and walnut shell are used as raw materials, phosphoric acid is used as an activator, the mixed raw materials are soaked in the activator and then dried, put into a muffle furnace for pyrolysis, the product is washed with distilled water until the filtrate is neutral, dried, cooled, Store in a desiccator after sieving. Phosphoric acid as an activator in the high-temperature pyrolysis stage fully exerts its microscopic pore-forming effect. On the one hand, phosphoric acid disperses in the biochar precursor, immerses in its interior, and washes out phosphoric acid after activation to leave pores in the activated carbon; on the other hand,...
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