活性炭/膨胀石墨复合材料制备及其微波再生性能研究

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中图分类号：X79

文章编号：1674-6139（2026）02-0077-05

文献标志码：B

Study on the Preparation and Microwave Regeneration Performance of Activated Carbon/Expanded Graphite Composite

（1.Qinhuangdao Environmental Emergencyand Heavy Polution Weather Warning Center，Qinhuangdao O66Ooo，China; 2.Schoolof Environmental and Chemical Engineering，Yanshan University，Qinhuangdao O66oo，China）

Abstract：Theactivatedcarbon/expanded graphite（AC/EG）compositeadsorptionmaterialwas preparedusingawetmethod，with optimizationofpreparationparameters.MicrowaveheatingwasemployedforcompositeregenerationPhysicalcharacterizationwascon ductedonboththeas-preparedandmicrowave-regeneratedcompositesResultsshowedthattheoptimalpreparationratiowasactivated carbon ∵ expanded graphite ∵ Al（OH） /phosphoric acid solution ∵ chitosan ⟨m⟩m=1.5：1：2：2 .The prepared composite exhibited 3 an adsorption capacity of 212mg/g ，microwave regeneration efficiency of 93.3% ，compressive strength of 2.35N/mm2 ，specific surface area of 829.4486mm2/g ，pore volume of 0.438cm2/g ，and average pore diameter of 2.1126nm After seven regeneration cycles，the specific surface area decreased to 230.4358m2/g ，pore volume reduced to 0.127cm3/g ，while average pore diameter increased to 14.1270nm ，Thecompositesurfacecontainedabundantoxygen-containingfunctional groups includingcarboxyl，lactone，andphenolic hydroxyl groups.

Key words：activated carbon；expanded graphite；adsorption performance；microwave regeneration

前言

活性炭比表面积大、吸附容量高、价格低廉，广泛应用于环境污染治理[1-2]，但再生常用高温碳化方式，成本较高[3]。（剩余5086字）