Synthesis and dye separation performance of ferromagnetic hierarchical porous carbon
Carbon, ISSN: 0008-6223, Vol: 46, Issue: 12, Page: 1593-1599
2008
- 87Citations
- 34Captures
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Article Description
Ferromagnetic hierarchical porous carbon (FHPC) with nickel particles embedded in the hierarchical porous carbon skeleton was synthesized. The hierarchical macro–mesoporous skeleton was formed by dissolving a salt template of Na 2 CO 3 and the ferromagnetic nickel particles were produced by in situ carbothermal reduction of nickel oxide. The saturation magnetization, remnant magnetization and coercive force of FHPC are 11.3 emu g −1, 2.3 emu g −1 and 55.7 Oe. The ferromagnetic property enables the magnetic separation of the FHPC from water. The surface chemical environments of the FHPC consist of different oxygen functional groups, like –OH, >COO and >CO groups, as well as a trace amount of aliphatic species of –CH 3 or -CH2- structures. Dye separation performance of the FHPC was investigated using methylene orange, and the adsorption capacity was 0.16 mg m −2 with the adsorption kinetics constant of 2.2 m 2 mg −1 min −1, which is superior to that of magnetic carbon spheres.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0008622308003278; http://dx.doi.org/10.1016/j.carbon.2008.06.052; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=50249094535&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0008622308003278; https://dul.usage.elsevier.com/doi/; https://api.elsevier.com/content/article/PII:S0008622308003278?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S0008622308003278?httpAccept=text/plain; https://dx.doi.org/10.1016/j.carbon.2008.06.052
Elsevier BV
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