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	Research on the whitening mechanism of kaolin by chemical bleaching and calcining
	Lu, C.H. ; Fang, M. ; Lai, H.X. ; Huang, L.Q. ; Chen, J. ; Fu, C.L. ; Li, J.T. ; Luo, X.T. ; Luo XT(罗学涛)
	2013
关键词	Bleaching Calcination Cleaning Mechanical engineering Scanning electron microscopy X ray diffraction
英文摘要	Conference Name:2nd International Conference on Recent Trends in Materials and Mechanical Engineering, ICRTMME 2013. Conference Address: Singapore. Time:September 21, 2013 - September 23, 2013.; Singapore Management and Sports Science Institute; Bleaching and calcining are the major whitening process in kaolin industry. However, the whitening mechanism has not been clarified yet. In this paper, the whitening mechanism of kaolin was investigated. Kaolin was bleached with hydrosulfite and calcined under different temperature separately, the whiteness and microstructure were detected throughly by X-ray diffraction and scanning electron microscope. The soluble and insoluble Fe content were determined by phenanthroline spectrophotometry. Effect of chemical bleaching, calcined temperature on mineral characteristics and whiteness was discussed. The mechanism of whitening was analyzed systematically. ? (2013) Trans Tech Publications, Switzerland.
语种	英语
出处	http://dx.doi.org/10.4028/www.scientific.net/AMM.420.254
出版者	Trans Tech Publications Ltd
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85122]
专题	材料学院－会议论文
推荐引用方式 GB/T 7714	Lu, C.H.,Fang, M.,Lai, H.X.,et al. Research on the whitening mechanism of kaolin by chemical bleaching and calcining. 2013-01-01.

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