为克服含硫膨胀石墨的应用限制，以鳞片石墨为原料，KMnO4为氧化剂，HNO3和 H3 PO4为插层剂，1000℃高温膨胀制备了无硫膨胀石墨。采用 XRD、SEM和 EDS 对其进行了表征，并测试了吸附特性。结果表明：反应过程中生成了石墨层间化合物，所得膨胀石墨呈折叠状。所制备膨胀石墨的比表面积和孔径远高于鳞片石墨原料的，比表面积为416．846 m2·g －1。
参考文献
| [1] | 薛美玲,于永良,任志华,张积树.电化学法制造膨胀石墨的再改进[J].精细化工,2002(10):567-570. |
| [2] | 赵瑞 .膨胀石墨对 MgO-C 耐火材料性能的影响[J].耐火材料,2015,49(02):143. |
| [3] | Zheng YP;Wang HN;Kang FY;Wang LN;Inagaki M .Sorption capacity of exfoliated graphite for oils-sorption in and among worm-like particles[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(12/12):2603-2607. |
| [4] | Hristea G;Budrugeca P .Characterization of exfoliated graphite for heavy oil sorption[J].Journal of Thermal Analysis and Calorimetry,2008,91(03):817-823. |
| [5] | F. Vieira;I. Cisneros;N.G. Rosa .Influence of the natural flake graphite particle size on the textural characteristic of exfoliated graphite used for heavy oil sorption[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(12):2590-2592. |
| [6] | Tryba B;Morawski A W;Kalenczuk R J et al.Exfoliated graphite as a new sorbent for removal of engine oils from wastewater[J].SPILL SCIENCE & TECHNOLOGY BULLETIN,2003,8(5 -6):569-571. |
| [7] | 张洪国,张慧,牟春博.无硫无灰分可膨胀石墨制备[J].非金属矿,2007(02):32-33,67. |
| [8] | 李玉峰,刘国钦,赖奇,杨健松.细鳞片石墨制备无硫膨胀石墨的研究[J].化工装备技术,2007(03):75-77. |
| [9] | 蒋丽娜 .低温可膨胀石墨的制备研究[D].河北农业大学,2008. |
| [10] | 近藤精一;石川达雄;安部郁夫;李国希,.吸附科学[M].北京:化学工业出版社,2010:84-96. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%