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[1]杨光忠,汪媛,王营茹.金属盐类改性累托石的制备及吸附性能[J].武汉工程大学学报,2014,(11):32-36.[doi:103969/jissn167428692014011006]
　YANG Guang zhong,WANG Yuan,WANG Ying ru.Preparation and adsorption performance of metal salt modified rectorite[J].Journal of Wuhan Institute of Technology,2014,(11):32-36.[doi:103969/jissn167428692014011006]
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金属盐类改性累托石的制备及吸附性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年11期
页码:
32-36
栏目:
资源与土木工程
出版日期:
2014-11-30

文章信息/Info

Title:
Preparation and adsorption performance of metal salt modified rectorite
文章编号:
16742869(2014)011003205
作者:
杨光忠; 汪媛; 王营茹
武汉工程大学化学与环境工程学院，湖北 武汉430074
Author(s):
YANG Guangzhong;  WANG Yuan;  WANG Yingru
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
累托石; 改性; 染料废水; 吸附
Keywords:
rectorite;  modify;  dyewastewater;  adsorption
分类号:
X703
DOI:
103969/jissn167428692014011006
文献标志码:
A
摘要:
为得到吸附性能更优的废水处理材料，在最适宜改性条件下采用氯化铁溶液、碳酸锂草酸溶液和焦磷酸钠溶液分别制得铁盐改性累托石、锂盐改性累托石和钠盐改性累托石；取原累托石和三种盐类改性累托石为吸附剂，考察原累托石与改性累托石对亚甲基蓝、甲基紫、孔雀石绿和中性红4种染料废水的吸附效果，其中累托石用量0.1 g，染料废水用量200 mL质量浓度为100 mg/L.结果表明：3种盐类改性累托石对4种染料废水的去除率和平衡吸附量明显优于原累托石，3种盐类改性累托石中铁盐改性累托石和锂盐改性累托石吸附效果优于钠盐改性累托石.对原累托石及3种盐类改性累托石进行扫描电镜分析，发现改性后累托石层间距明显增大，且改性过程并未改变累托石的片层结构. 由此可见，盐类改性累托石具有优良的吸附性能，其中铁盐改性累托石和锂盐改性累托石的吸附性能更优.
Abstract:
To get wastewater treatment materials with better adsorption performance, the three kinds of salt modified rectorite of ferric, lithium and sodium were prepared by using ferric chloride, lithium carbonate, oxalic acid and sodium pyrophosphate solution under the most suitable modification condition; the raw rectorite and the three kinds of salt modified rectorite were used as adsorbents to treat dye wastewater containing methylene blue, methyl violet, malachite green and neutral red with rectorite dosage of 0.1 g, dye wastewater dosage of 200 mL and dye wastewater concentration of 100 mg/L. The results show that the removal rate and the equilibrium adsorption capacity of the three kinds of salt modified rectorite on the four dye wastewater are much better than those of the raw rectorite; the adsorption effect of ferric salt modified rectorite and lithium salt modified rectorite on the four dye wastewater are better than that of sodium salt modified rectorite. After scanning electron microscope analyses of the raw rectorite and the three kinds of salt modified rectorite, results show that the interlayer spacing of the three kinds of salt modified rectorite becomes much larger than that of the raw rectorite and the modified process doesn’t change the structure of rectorite. This implies the adsorption performance of the three kinds of salt modified rectorite is excellent; moreover, the adsorption performance of ferric and lithium salt modified rectorite is better than that of the sodium salt modified rectorite.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140925作者简介：杨光忠（1965），男，湖北公安人，教授，硕士.研究方向：水污染控制及环境管理.
更新日期/Last Update: 2014-12-09