摘要
介绍了硅藻土的物理化学性质、硅藻土的改性方法和对染料的吸附容量,分析了pH值、温度等因素的影响。对硅藻土吸附染料的机理和吸附等温式进行了总结,吸附机理主要以物理吸附为主,吸附一般符合Langmuir等温式或Freundlich等温式。最后对硅藻土在染料废水处理中的应用前景,提出了建议。
The physicochemical properties of diatomite were introduced and effects of modified approaches of diatomite on adsorption capacity of dyes were also described. The influences of pH and temperature were analyzed. The adsorption mechanism of diatomite on dyes and adsorption isotherm were summarized. The main adsorption mechanism was physical adsorption, and the adsorption was in agreement with Langmuir isotherm or Freundlich isotherm. Finally, the application prospects of diatomite in the treatment of dye-bearing wastewater were forecasted and some suggestions were put forward as well.
出处
《矿业快报》
2008年第7期43-46,共4页
Express Information of Mining Industry
关键词
硅藻土
染料
吸附
Diatomite
Dye
Adsorption
