Characteristics of cellulose-microalgae composite

Kyo Jung Hwang, Gu Joong Kwon, Ji Wook Yang, Sung yeol Kim, Dae Young Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The composites were prepared in order of mixing the cellulose with the N. commune, dissolution-regeneration procedure by LiOH/Urea aqueous solution and freeze-drying. Before the freeze-drying, internal pores of the composites were substituted with an organic solvent. SEM analysis showed that the increase of N. commune results in blockage of cellulose network structure. Brunauer-Emmett-Teller (BET) surface area analysis showed the decrease of mesopore and macropore as the N. commune ratio increases, also the decrease of the specific surface area was shown. The composites appear to have different thermogravimetric analysis properties with the pure N. commune or cellulose itself. Fourier transform infrared spectroscopy (FT-IR) spectra of the composites have specific peaks of the cellulose and N. commune, and increase of N. commune ratio results broadening of peaks relevant to proteins, lipids, and fatty acids. The composites showed higher adsorptivity as the N. commune ratio increases. Especially, the adsorptivity was higher than active carbon before 120 minutes of adsorption. The composite is expected to be used for the situations which need urgent adsorption.

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalJournal of the Korean Physical Society
Volume71
Issue number8
DOIs
StatePublished - 1 Oct 2017

Keywords

  • Cellulose
  • Composites
  • N. commune

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