用于去除水中Cr<sup>6+</sup>的纳米磁铁矿/硅藻土复合物的制备方法

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	用于去除水中Cr⁶⁺的纳米磁铁矿/硅藻土复合物的制备方法
	袁; 鹏; 何宏平; 杨; 丹; 樊明德; 朱建喜; 颜文昌
	2008-01-14
Country	中国
Patent Number	ZL200810025795.6
Rights Holder	中国科学院广州地球化学研究所
Contribution Rank	1
Abstract	本发明涉及一种用于去除水中六价铬(Cr⁶⁺)的纳米磁铁矿/硅藻土复合物的制备方法，它包括在室温按比例混合同等浓度0.02~0.5mol/L的铁盐/亚铁盐水溶液；加入硅藻土粉末，搅拌均匀；加热，搅拌下缓慢滴加氢氧化铵溶液，使悬浊液pH值达8~9后停止滴加；固液分离和漂洗；真空、研磨粉碎。利用本发明产品处理废水中的六价铬具有成本低廉、高效、操作简便、易于回收等优势，可广泛用于电镀、制革、冶金、颜料及铬盐化工等领域排放废水的处理。
Date Available	2008-07-09
Language	中文
Application Number	CN200810025795.6
Open (Notice) Number	CN101215042
Document Type	专利
Identifier	http://ir.gig.ac.cn/handle/344008/35790
Collection	专利
Recommended Citation GB/T 7714	袁,鹏,何宏平,等. 用于去除水中Cr⁶⁺的纳米磁铁矿/硅藻土复合物的制备方法. ZL200810025795.6[P]. 2008-01-14.

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