Preparation of Fe 3 O 4 @C submicron rods for adsorption of methylene blue and fast separation from water
Author(s) -
Sun Yue,
Ni Peiyuan,
Zhu Meiying,
Yao Yonglin,
Fu Shiwei
Publication year - 2019
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2019.0111
Subject(s) - adsorption , rod , materials science , methylene blue , hydrothermal circulation , thermal decomposition , oxalate , langmuir adsorption model , chemical engineering , nanoparticle , decomposition , nanotechnology , inorganic chemistry , chemistry , organic chemistry , photocatalysis , catalysis , medicine , alternative medicine , engineering , pathology
In this study, Fe 3 O 4 @C submicron rods were successfully prepared by an oxalate thermal decomposition–glucose hydrothermal carbonisation process. The adsorption property of the Fe 3 O 4 @C submicron rods to methylene blue was researched. The results show that the adsorption process conforms to the Langmuir isotherm model and pseudo‐second‐order kinetic model. The Fe 3 O 4 @C submicron rods show a comparable adsorption capacity compared with Fe 3 O 4 @C nanoparticles, but their separation speed under an external magnetic field is much faster than that of Fe 3 O 4 @C nanoparticles. These make the Fe 3 O 4 @C submicron rods an ideal material for the adsorption of the organic contaminant from water.
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