BIOSORPTION OF METHYLENE BLUE FROM AN AQUEOUS SOLUTION BY IRON OXIDE-COATED CYSTOSEIRA BARBATA | Zendy

Yeliz Özüdoğru | Zendy; Melek Merdıvan | Zendy; Tolga Göksan | Zendy

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BIOSORPTION OF METHYLENE BLUE FROM AN AQUEOUS SOLUTION BY IRON OXIDE-COATED CYSTOSEIRA BARBATA

Author(s) -

Yeliz Özüdoğru,

Melek Merdıvan,

Tolga Göksan

Publication year - 2016

Publication title -

journal of the turkish chemical society section a chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.179

H-Index - 6

ISSN - 2149-0120

DOI - 10.18596/jotcsa.40601

Subject(s) - methylene blue , biosorption , aqueous solution , nuclear chemistry , chemistry , adsorption , organic chemistry , photocatalysis , sorption , catalysis

In this study, Cystoseira barbata was coated with iron oxide (Fe 3 O 4 ) to obtain magnetic biomaterial and used as a sorbent material for the removal of methylene blue from aqueous solution. This biosorbent was characterized by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared spectroscopy (FTIR). Batch adsorption was investigated as functions of pH, contact time, initial methylene blue concentration and different temperature on biosorption. The equilibrium data was analyzed with Langmuir and Freundlich isotherms. The results showed that the maximum adsorption capacities were reached at 300 min at pH 2 and found to be 5.74 mg/g and 1.08 mg/g at 25 o C and 45 o C, respectively.

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