期刊
CHEMISTRYSELECT
卷 3, 期 44, 页码 12410-12414出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201800203
关键词
adsorption capacity; carbon nanotubes; carbonization; carbon nanofibers
资金
- Natural Science Foundation of China [51502202]
- Tianjin Research Program of Application Foundation and Advanced Technology [15JCQNJC42400]
- Tianjin City High School Science & Technology Fund Planning Project [20140314]
By spinning different proportions of carbon nanotubes (CNTs) and polyacrylonitrile into filaments, discussing the structure of CNTs exposed on the surface of nanofibers after carbonization treatment at different temperatures, and the relationship between CNTs and pores in carbon nanofibers. Different pH, dosage, initial concentration of pollutants and adsorption time on the adsorption of Cr(VI) was studied on carbon nanofiber porous materials with carbon nanotubes. The results showed that the specific surface area of carbon nanofibers blended with CNTs increased to 37.627 m(2)/g and the pore volume reached 3.832cc/g. The porous adsorption material can reach the adsorption capacity of 25.17mgg(-1) within 20 min. When the adsorption reached equilibrium, the adsorption capacity reached 76.62mgg(-1).
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