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2011 | 13 | 4 | 84-88
Tytuł artykułu

Adsorption behavior of Pb(II) onto xanthated rubber (Hevea brasiliensis) leaf powder

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A plant waste, rubber (Hevea brasiliensis) leaf powder was modified with carbon disulfide (xanthation) for the purpose of introducing sulfur groups, and the adsorbent performance in removing Pb(II) ion was evaluated. Pb(II) adsorption was confirmed by spectroscopic analysis, which involved Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). The amount of Pb(II) adsorbed increased with increasing pH, contact time and concentration but slightly decreased with increasing ionic strength. Adsorption equilibrium was achieved in less than 60 min and followed the pseudo-second order model. The isotherm data indicated that Pb(II) adsorption on xanthated rubber leaf (XRL) fitted well with Langmuir isotherm model. The maximum adsorption capacity computed from the Langmuir isotherm model was 166.7 mg/g. Pb(II) adsorption occurred via ion-exchange and complexation mechanisms.
Słowa kluczowe
Wydawca
Rocznik
Tom
13
Numer
4
Strony
84-88
Opis fizyczny
Daty
wydano
2011-01-01
online
2012-01-02
Twórcy
autor
  • Department of Chemistry, Universiti Teknologi MARA Pahang, 26400, Bandar Jengka, Pahang, Malaysia
  • Department of Chemistry, Universiti Teknologi MARA Pahang, 26400, Bandar Jengka, Pahang, Malaysia
autor
  • Kulliyyah of Pharmacy, International Islamic University Malaysia, 25200, Kuantan, Pahang, Malaysia
autor
  • School of Chemical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_v10026-011-0054-1
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