SYNTHESIS AND CHARACTERIZATION OF ORGANOCLAYS USING DIFFERENTS CONTENTS OF CATIONIC SURFACTANT HEXADECYLTRIMETHYLAMMONIUM BROMIDE

被引：0
|
作者：
Lopes, Christian Wittee [1 ]
Penha, Fabio G. [1 ]
Braga, Renata Martins [2 ]
de Araujo Melo, Dulce Maria [2 ]
Pergher, Sibele B. C. [2 ]
Petkowicz, Diego Ivan [3 ]
机构：
[1] Univ Reg Integrada Alto Uruguai & Missoes, Dept Quim, BR-99700000 Erechim, RS, Brazil
[2] Univ Fed Rio Grande do Norte, Dept Quim, BR-59078970 Natal, RN, Brazil
[3] Univ Fed Rio Grande do Sul, Inst Quim, BR-91501970 Porto Alegre, RS, Brazil
来源：
QUIMICA NOVA | 2011年 / 34卷 / 07期
关键词：
organoclays; surfactants; adsorption; ADSORPTION; CLAYS;
D O I：
10.1590/S0100-40422011000700009
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
SYNTHESIS AND CHARACTERIZATION OF ORGANOCLAYS USING DIFFERENTS CONTENTS OF CATIONIC SURFACTANT HEXADECYLTRIMETHYLAMMONIUM BROMIDE. The major applications of organoclays are in adsorption of organic polluents. The objective of this work was the synthesis and characterization of organoclays using differents amounts of cationic surfactant hexadecyltrimethylammonium bromide. The clays were characterized by low angle x-ray diffraction (XRD), scanning electron microscope (SEM), infrared with Fourier tranformation (FTIR), BET surface area, elemental analysis (CHN), Foster swell and adsorption of methylene blue. The surfactant can adsorb in differents forms in the interlamelar region changed the basal spacing. The presence of the surfactant adsorbed can be favorable or not in adsorption of the methylene blue due the different interactions dye-organoclays.
引用
收藏
页码：1152 / U64
页数：6
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