欢迎登录材料期刊网

材料期刊网

高级检索

为了综合利用黄河淤积泥沙,分析了泥沙粒度、矿物和化学组成、重金属溶出浓度.通过对黄河下游泥沙进行水热固化,初步探讨了添加物对固化样品强度的影响以及其硬化机理.结果表明,黄河上、中、下游以及表层和下层(1m)泥沙的粒度细且均一、组分亦无大的变化,泥沙重金属的溶出浓度满足国家土壤环境标准.水热固化样品抗弯强度可达17MPa,固化体强度增加的主要原因是托勃莫来石晶相的生成.

参考文献

[1] 徐晓虹,冷光辉,周城,吴建锋,邓大侃.黄河泥沙质陶瓷泥浆工艺性能的影响因素[J].硅酸盐学报,2008(12):1769-1774.
[2] Byrappa K.Crystal growth of technologically important electronic materials[M].India:Allied Publishers,2003:271.
[3] Zhenzi Jing;Hiroitaka Maeda;Koji Ioku .Hydrothermal Synthesis of Mesoporous Materials from Diatomaceous Earth[J].AIChE Journal,2007(8):2114-2122.
[4] Jing Z;Jin F;Hashida T;Yamasaki N;Ishida H .Hydrothermal solidification of blast furnace slag by formation of tobermorite[J].Journal of Materials Science,2007(19):8236-8241.
[5] Jing Z;Matsuoka N;Jin F;Yamasaki N;Suzuki K;Hashida T .Solidification of coal fly ash using hydrothermal processing method[J].Journal of Materials Science,2006(5):1579-1584.
[6] Jing Zhenzi;Matsuoka Norihisa;Jin Fangming et al.Municipal incineration bottom ash treatment using hydrothermal solidification[J].Waste Management,2007,27:287.
[7] Ishida E H.Torestore potentialities of soil-development of hydrothermally solidified soil; earth ceramics[A].Gifu,Japan,1999:7.
[8] 徐建华,吴成基,林银平,高亚军,左仲国,喻权刚.黄河中游粗泥沙集中来源区界定研究[J].水土保持学报,2006(01):6-9,14.
[9] 姚文艺,时明立,崔长江.黄河泥沙问题研究综述[J].黄河水利职业技术学院学报,2004(01):1-3,10.
[10] 王兆印,王文龙,田世民.黄河流域泥沙矿物成分与分布规律[J].泥沙研究,2007(05):1-8.
[11] 赵沛伦.泥沙对黄河水质影响及重点河段水污染控制[M].郑州:黄河水利出版社,1998:9.
[12] Ritwik Sarkar;Swapan Kumar Das et al.Phase and microstructure evolution during hydrothermal solidification of clay-quartz mixture with marble dust source of reactive lime[J].Journal of the European Ceramic Society,2006,26:297.
[13] Gutovic M;Klimesch D S et al.Strength development in autoclaved blends made with OPC and clay-brick waste[J].Journal of Constr Build Mater,2005,19:353.
[14] Stephen Brunauer;Jan Skalny;Ivan Odler et al.Hardened portland cement pastes of low porosity:Ⅷ.Further remarks about early hydration.Composition and surface area of tobermorite gel summary[J].Cement and Concrete Research,1973,3(03):279.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%