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Paper Information

Journal:   SCIENTIA IRANICA   2012 , Volume 19 , Number 6 (TRANSACTIONS C: CHEMISTRY AND CHEMICAL ENGINEERING); Page(s) 1573 To 1579.
 
Paper: 

FAST AND EFFICIENT REMOVAL OF ORTHOPHENANTHROLINE AND 2, 2’-BIPYRIDINE FROM AQUEOUS SOLUTIONS BY ADSORPTION ON MODIFIED NANOPOROUS CARBON

 
 
Author(s):  ANBIA M.*, ALVAND M.
 
* RESEARCH LABORATORY OF NANOPOROUS MATERIALS, FACULTY OF CHEMISTRY, IRAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

Ploycyclic Aromatic Nitrogen Heterocycles (PANHs) are a widespread class of water pollutants that are known to cause serious human health problems; and the demand for effective adsorbents for the removal of toxic compounds is increasing. In this work Ordered Mesoporous Carbon (OMC) was prepared by using SBA-3 silica mesoporous molecular sieves as hard template. Then, Cu (II) modified mesoporous carbon molecular sieves, Cu2+-OMC, was prepared through wet impregnation of OMC by CuSO4 . 5H2O. Orthophenanthroline (OP) and 2; 2’-bipyridine (BP) were used as probe molecules to investigate their adsorption behavior on Cu2+-OMC. The synthesized mesoporous sample is used as a sorbent for fast and highly efficient removal of OP and BP from contaminated waters. The isotherms of OP and BP on Cu2+-OMC are well simulated by a Langmuir adsorption model. Theoretical studies show that the adsorption kinetics of OP and BP on Cu2+-OMC can be well depicted by using a pseudo-second-order kinetic model.

 
Keyword(s): ADSORPTION, MESOPOROUS, CARBON, ORTHOPHENANTHROLINE, 2, 2’-BIPYRIDINE, CU2+-OMC
 
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