Organobentonite: Characterization and adsorptive properties towards phenol and its derivatives | Zendy

Sanja Marinović | Zendy; Marija Ajduković | Zendy; Nataša Jović-Jovičić | Zendy; Predrag Banković | Zendy; Zorica Mojović | Zendy; A. MilutinovićNikolić | Zendy; Dušan Jovanović | Zendy

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Organobentonite: Characterization and adsorptive properties towards phenol and its derivatives

Author(s) -

Sanja Marinović,

Marija Ajduković,

Nataša Jović-Jovičić,

Predrag Banković,

Zorica Mojović,

A. MilutinovićNikolić,

Dušan Jovanović

Publication year - 2016

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos1602167m

Subject(s) - phenol , nitrophenol , adsorption , chemistry , bentonite , langmuir adsorption model , kinetics , 4 nitrophenol , point of zero charge , cationic polymerization , bromide , nuclear chemistry , inorganic chemistry , organic chemistry , chemical engineering , catalysis , physics , quantum mechanics , engineering

Bentonite from Mečji Do locality in Serbia was modified with hexadecyltrimethylammonium bromide (HDTMA-Br), and the sample was denoted as HDTMA-MD. The characterization of the material included X-Ray diffraction, elemental analysis and point of zero charge determination. The adsorption of phenol and its nitro derivatives: 2-nitrophenol (2NP), 3-nitrophenol (3NP) and 4-nitrophenol (4NP) on HDTMA-MD was investigated. The adsorption capacity of HDTMA-MD toward phenol derivatives increased in the following order qe (phenol) < qe (3NP) < qe (2NP) < qe (4NP). The influence of adsorption time and initial concentration on the adsorption efficiency of HDTMA-MD was studied for 4NP. The data were best fitted with Langmuir isotherm model and the pseudo-second-order kinetic model. [Projekat Ministarstva nauke Republike Srbije, br. III 45001

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