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. 2011:2011:685023.
doi: 10.4061/2011/685023. Epub 2010 Aug 1.

Immobilization of Rose Waste Biomass for Uptake of Pb(II) from Aqueous Solutions

Tariq Mahmood Ansari  1 , Muhammad Asif Hanif, Abida Mahmood, Uzma Ijaz, Muhammad Aslam Khan, Raziya Nadeem, Muhammad Ali
Affiliations

Immobilization of Rose Waste Biomass for Uptake of Pb(II) from Aqueous Solutions

Tariq Mahmood Ansari et al. Biotechnol Res Int. 2011.

Abstract

Rosa centifolia and Rosa gruss an teplitz distillation waste biomass was immobilized using sodium alginate for Pb(II) uptake from aqueous solutions under varied experimental conditions. The maximum Pb(II) adsorption occurred at pH 5. Immobilized rose waste biomasses were modified physically and chemically to enhance Pb(II) removal. The Langmuir sorption isotherm and pseudo-second-order kinetic models fitted well to the adsorption data of Pb(II) by immobilized Rosa centifolia and Rosa gruss an teplitz. The adsorbed metal is recovered by treating immobilized biomass with different chemical reagents (H(2)SO(4), HCl and H(3)PO(4)) and maximum Pb(II) recovered when treated with sulphuric acid (95.67%). The presence of cometals Na, Ca(II), Al(III), Cr(III), Cr(VI), and Cu(II), reduced Pb(II) adsorption on Rosa centifolia and Rosa gruss an teplitz waste biomass. It can be concluded from the results of the present study that rose waste can be effectively used for the uptake of Pb(II) from aqueous streams.

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Figures

Figure 1
Figure 1
Effect of pH on Pb(II) uptake by immobilized rose waste biomass.
Figure 2
Figure 2
Effect of pH on Pb(II) uptake by immobilized rose waste biomass.
Figure 3
Figure 3
Effect of initial metal concentration on Pb(II) uptake by immobilized rose waste biomass.
Figure 4
Figure 4
Effect of contact time on Pb(II) uptake by immobilized rose waste biomass.
Figure 5
Figure 5
Figure 6
Figure 6
Effect of biosorbent pretreatment on Pb(II) uptake by immobilized rose waste biomass.
Figure 7
Figure 7
Effect of contact time on Pb(II) uptake by immobilized rose waste biomass in column setup.
Figure 8
Figure 8
Desorption of Pb(II) by immobilized rose waste biomass.
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