The effects of PAM on the gravity-induced flocculation of colloidal particles in binary suspensions

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题名:	The effects of PAM on the gravity-induced flocculation of colloidal particles in binary suspensions
作者:	Chang, Y.-I., Liu, K.-H.
贡献者:	Dept. of Chemical Engineering, Tunghai University
关键词:	Colloid;Electrolyte;Flocculation;PAM;Stability
日期:	2010
上传时间:	2013-04-24T07:13:15Z (UTC)
摘要:	The effects of polyacrylamides (PAM) at different ionic strengths on the gravity-induced heteroflocculation behavior of binary suspensions are investigated based on the turbidity measurement method in the present paper. For the binary suspensions composed of two different-sized latexes, it is found that the stability ratios of the suspensions decrease with the increase of either the PAM or the electrolyte concentration, and with the increase of the size differences between two latex components of the binary suspension. From the pictures of scanning electron microscopy, it is also interesting to find that, even when both latexes are negatively charged, the small latexes can still be adsorbed at the interparticle regions between two large latexes through the bridge formed by PAM between the small and the large latexes. ? Springer-Verlag 2009.
關聯:	Colloid and Polymer Science 288 (2) , pp. 223-231
显示于类别:	[化學工程與材料工程學系所] 期刊論文

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