膨胀石墨(简称EG)是通过将残留石墨层间化合物(简称GIC)快速加热到约1 000 ℃而分解、膨胀制得的.这种材料具有较大比表面积和较强表面活性,因此,EG可以吸附重油和粘稠性有机液体.本文综述了清华大学研究组近年来所进行的膨胀石墨吸附重油和生物体液的研究成果.
Exfoliated graphite (EG) was prepared by rapidly heating the residue GIC at around 1 000 ℃. The materials obtained possess large specific surface area and strong surface reactivity, therefore, EG may adsorb heavy oil and viscous organic liquids. This paper reviews the recent work on sorption of heavy oil and biomedical liquids on exfoliated graphite, which were carried out by research groups in Tsinghua University.
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