Synthesis and characterization of a novel fish scale-immobilized chitosan adsorbent—Preliminary features of dichlorophenol sorption by solution calorimetry
作者： Jackeline A. Mota , Renata A. Chagas , Eunice F.S. Vieira , Antonio R. Cestari
DOI: 10.1016/J.JHAZMAT.2012.06.010
关键词:
摘要: Abstract Brazilian Corvina fish scales were cross linked with polyglutaraldehyde and chemically modified chitosan gel. Characterization has pointed that good stable adhesion on the scales. The sorption of dichlorophenol-2,6-indophenol (DPI) novel material was studied by isothermal solution calorimetry. non-symmetric shapes calorimetric plots indicate DPI sites adsorbent are not energetically uniform. enthalpies processes highly exothermic (from −536.7 to −50.9 kJ mol −1 ). analysis both characterization materials results suggested interactions at scales/DPI interface due surface reactions. present work underlines excellent features new scale-based for use in phenol applications solid/solution interfaces.
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