| 钛柱撑膨润土吸附水溶液中微量Cr(VI)研究 |
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| 引用本文： | 庞秀,曹吉林,谭朝阳.钛柱撑膨润土吸附水溶液中微量Cr(VI)研究[J].环境科学与技术,2006,29(11):23-25. |
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| 作者姓名： | 庞秀 曹吉林 谭朝阳 |
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| 作者单位： | 河北工业大学化工学院,天津300130 |
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| 基金项目： | 天津市自然科学基金资助项目(033603211) |
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| 摘 要： | 针对水中微量Cr(VI)的吸附脱除问题,以河北灵寿县膨润土制备的钛柱撑膨润土为吸附剂,进行了25℃条件下对水溶液中微量C(rVI)脱除的试验,测得了被吸附物浓度、吸附时间,吸附剂用量对吸附过程的影响,得出钛柱撑膨润土具有优越的吸附性能。此外还测定了钛柱撑膨润土对C(rVI)吸附的等温线,探讨了C(rVI)的吸附机理,钛柱撑膨润土对C(rVI)的吸附包括表面物理吸附和层间离子化学吸附。
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| 关 键 词： | 钛柱撑膨润土 铬(VI) 膨润土 吸附 等温线 |
| 收稿时间： | 2006-01-04 |
| 修稿时间： | 2006-03-20 |
Ti-pillared Bentonite as an Adsorbent to Remove Trace Cr(VI)in Aqueous Solution |
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| PANG Xiu,CAO Ji-lin,TAN Zhao-yang.Ti-pillared Bentonite as an Adsorbent to Remove Trace Cr(VI)in Aqueous Solution[J].Environmental Science and Technology,2006,29(11):23-25. |
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| Authors: | PANG Xiu CAO Ji-lin TAN Zhao-yang |
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| Abstract: | Titanium-pillared bentonite prepared in the lab from the natural bentonite is used to remove sexivalent chromium from water and its adsorption characteristic is studied with respect to adsorption isotherms and others. |
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| Keywords: | Titanium-pillared bentonite adsorption chromium isotherm |
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