Compound grapheme absorption agent, method for preparing compound grapheme absorption agent and application of compound grapheme absorption agent
A technology of graphene and adsorbent, which is applied in the field of composite graphene adsorbent and its preparation, can solve the problems of restricting the application of pollutant removal, reducing the specific surface area of graphene, and less application of graphene materials, so as to improve the dispersion and The effect of hydrophilicity, low cost of treatment process, and easy control of conditions
Inactive Publication Date: 2014-01-01
SOUTH CHINA UNIV OF TECH
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The invention discloses a compound grapheme absorption agent which comprises grapheme, nanometer zero-valent iron and cetyl trimethyl ammonium bromide. The invention further discloses a method for preparing the compound grapheme absorption agent. The method for preparing the compound grapheme absorption agent includes the following steps that firstly, oxidized grapheme is dispersed in water with ultrasonic waves and oxidized grapheme suspension liquid is obtained; secondly, the nanometer zero-valent iron and the cetyl trimethyl ammonium bromide are added into the oxidized grapheme suspension liquid obtained in the first step, fully stirred and fully reacted and a reaction solution is obtained; thirdly, the reaction solution obtained in the second step is added with reductive agents and fully reacted and black flocks are obtained; fourthly, the black flocks obtained in the third step are filtered, washed and dried to obtain the compound grapheme absorption agent. The compound grapheme absorption agent is efficient, green, economic, friendly to environment, and suitable for large-scale production. The preparing method is simple and conditions are easy to control.
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