| 焙烧态镁铝水滑石处理阴离子染料废水研究 |
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| 引用本文： | 申震,唐先进,刘超,徐驰.焙烧态镁铝水滑石处理阴离子染料废水研究[J].环境科学与技术,2006,29(3):89-91,110. |
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| 作者姓名： | 申震 唐先进 刘超 徐驰 |
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| 作者单位： | 浙江大学环境与资源学院环境工程系,杭州,310029 |
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| 摘 要： | 采用传统过饱和双滴法合成出Mg/Al为3的碳酸根型水滑石(LDH),经500℃高温煅烧制备出焙烧产物(CLDH),用x-射线、红外光谱和电镜对它们进行了表征。分别考察了焙烧温度、反应时间、pH、投加量、反应温度和初始浓度等因素对焙烧态水滑石吸附酸性铬蓝K模拟废水效果的影响。结果表明,对于100mg/L的铬蓝K溶液,500℃焙烧态水滑石,投加量为0.06g,在pH=3.5左右,室温下反应1h,去除率最高可达98%以上。四次回收重复利用的CLDH对铬蓝K的去除率仍为90%以上,CLDH是一种良好的环保吸附材料。
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| 关 键 词： | 水滑石 酸性铬蓝K 环境修复 |
| 文章编号： | 1003-6504（2006）03-0089-03 |
| 收稿时间： | 2005-01-20 |
| 修稿时间： | 2005-01-202005-04-26 |
Experimental Study of Treating Anion Dyestuff-containing Wastewater by Calcined Layered Double Hydroxides |
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| SHEN Zhen,TANG Xian-jin,LIU Chao,XU Chi.Experimental Study of Treating Anion Dyestuff-containing Wastewater by Calcined Layered Double Hydroxides[J].Environmental Science and Technology,2006,29(3):89-91,110. |
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| Authors: | SHEN Zhen TANG Xian-jin LIU Chao XU Chi |
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| Abstract: | LDH(Mg/Al=3)with carbonate anions,which was prepared by co-precipitation at low supersaturation,was transformed into calcined hydrotalcite(CLDH)by thermal treatment.This paper focuses on use of CLDH for treating Eriochrome Blue Black containing simulated wastewater in a bench scale experiment based on the adsorption principle.CLDH can be recovered and reused for adsorption of the dye. |
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| Keywords: | hydrotalcite Eriochrome Blue Black |
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