Study on the adsorption of MnO4- ions onto GO/PVA/Fe3O4 composite | Zendy

Le Dieu Thu | Zendy; Hoang Vinh Tran | Zendy

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Study on the adsorption of MnO4- ions onto GO/PVA/Fe3O4 composite

Author(s) -

Le Dieu Thu,

Hoang Vinh Tran

Publication year - 2021

Publication title -

vietnam journal of catalysis and adsorption

Language(s) - English

Resource type - Journals

ISSN - 0866-7411

DOI - 10.51316/jca.2021.037

Subject(s) - adsorption , endothermic process , sorption , composite number , ion , kinetic energy , chemistry , chemical engineering , materials science , inorganic chemistry , composite material , organic chemistry , physics , quantum mechanics , engineering

In this study, MnO4- ions are adsorbed onto GO/PVA/Fe3O4 composite. Results showed that after 18 hours, the adsorption process gets equilibrium with the adsorption capacity is 187.8 mg.g-1, the mass of adsorbent is 0.005 g in 10 mL of 200 mg.L-1 MnO4- ions solution. The influence of temperature was also investigated and with the increasing of temperature, the adsorption capacity also increases, so the adsorption is endothermic. The sorption process obeys pseudo-first-order kinetic.

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