采用前驱体共混改性法,以FeCl2/NH4NO3为改性剂,得到改性酚醛泡沫,经高温炭化/水蒸汽活化制备出改性酚醛基活性炭泡沫.通过氮气吸附、TG、XRD、SEM、FT-IR等技术对产品的物理化学性质进行了表征,结果表明,改性后的炭泡沫比表面积为311.19m2/g,总孔容为9.687mL/g,孔径分布范围广,引入了有益于酸性气体脱除的含氮基团和Fe离子,特别是二者同时存在时可产生交互衍化作用.
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