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Research on the Absorption Characteristics of Activated Carbon Prepared by Biomass

The biomass carbons were studied with ZnCl2 as activating agent, methylene blue as index and its Hg adsorption experiment was conducted. The adsorption of soybean stem activated carbon for methylene blue was 149.84μg/g, and its adsorption capacity to Hg in flue gas in 4 hours was 14.57μg and penetration rate was 5.30% at the conditions of 600°C activation temperature, 90 min activation time and ZnCl2 concentration 50%, and the mechanism was analyzed.