Pb(II) Removal from Aqueous Solution and Industrial Wastewater by Raw and Lime-Conditioned Phosphogypsum

被引：14

作者：

Altas, Levent ^{[1
]}

Balkaya, Nilgun ^{[2
]}

Cesur, Hasan ^{[3
]}

机构：

[1] Aksaray Univ, Dept Environm Engn, Fac Engn, TR-68100 Aksaray, Turkey

[2] Istanbul Univ, Dept Environm Engn, Fac Engn, TR-34320 Istanbul, Turkey

[3] Ondokuz Mayis Univ, Arts & Sci Fac, Dept Chem, TR-55220 Samsun, Turkey

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH | 2017年 / 11卷 / 02期

关键词：

Wastewater treatment; Industrial by-product; adsorption; Lead removal; Lime-conditioned phosphogypsum; Waste reuse; HEAVY-METALS; ADSORPTION; LEAD; EQUILIBRIUM; SORPTION; IONS; KINETICS; SOIL; THERMODYNAMICS; DESORPTION;

D O I：

10.1007/s41742-017-0012-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study was aimed to compare the Pb(II) adsorption from aqueous solutions between raw phosphogypsum (UP) and lime-conditioned phosphogypsum (LCP) in batch systems. The Pb(II) adsorption by UP and LCP was investigated depending on the process variables, such as solution pH, contact time, and initial Pb(II) concentration. The adsorption capacity (qm) of UP and LCP as mg/g was found to be 1.85 and 2.90, and the pseudo-secondorder rate constant as g/mg min and the initial adsorption rate were found to be 0.27 and 7.57 for LCP and 0.74 and 7.52 for UP, respectively. Studies on the removal of Pb(II) from wastewater of storage battery industry by LCP and UP showed that these adsorbents can be used efficiently.

引用

页码：111 / 123

页数：13

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