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对膨胀石墨和活性炭的孔结构进行了对比研究 ,从热力学和表面化学出发 ,探讨了膨胀石墨的吸附机理 ,阐述了膨胀石墨表面和内部独特的网络状大孔结构及其固有的石墨微晶活性表面 ,这种表面决定了其对煤焦油类物质独特的吸附特性 .研究结果表明 :膨胀石墨具有低密度、轻质、高化学稳定性和无毒的特点 ,其大孔结构及其独特的压延柔性 ,这些特性使其在化工、环保领域具有广阔的应用前景
The pore structure of expanded graphite and activated carbon was studied. Based on the thermodynamics and surface chemistry, the adsorption mechanism of expanded graphite was discussed. The unique network-like macroporous structure on the surface and inside of expanded graphite and its intrinsic graphite microcrystalline activity Surface, which determines its unique adsorption properties of coal tar compounds.The results show that: expanded graphite has the characteristics of low density, light weight, high chemical stability and non-toxic, its macroporous structure and its unique calendering Flexibility, these characteristics make it in the chemical industry, environmental protection has broad application prospects