Removal of lead from aqueous solutions by natural phosphate

被引：41
作者：
Mouflih, M
Aklil, A
Jahroud, N
Gourai, M
Sebti, S
机构：
[1] Univ Hassan 2 Mohammedia, Lab Chim Organ Catalyse & Environm, Fac Sci Ben MSik, Casablanca 20702, Morocco
[2] Univ Hassan 2 Mohammedia, Lab Sedimentol & Environm, Fac Sci Ben MSik, Casablanca 20702, Morocco
来源：
HYDROMETALLURGY | 2006年 / 81卷 / 3-4期
关键词：
natural phosphate; lead removal; sorption isotherms;
D O I：
10.1016/j.hydromet.2005.12.011
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The removal of lead ions from aqueous solution was studied in batch experiments using natural phosphate (NP). The effects of initial concentration of lead and initial pH of solution were investigated and the mechanism for removal of lead has been suggested. The data obtained from sorption isotherms at different temperatures conformed to the linear form of the Langmuir adsorption equation. The influence of NO3- and Cl- anions has been evaluated. The effect of varying levels of Cl- has significant influence on the sorption capacity of Pb2+, while NO3- did not. The abundance of natural phosphate, its low price and non-aggressive nature towards the environment are advantages for its utilization in point of view of wastewater and wastes clean up. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 225
页数：7
相关论文
共 24 条
[1]   Removal of heavy metal ions from water by using calcined phosphate as a new adsorbent [J].
Aklil, A ;
Mouflih, M ;
Sebti, S .
JOURNAL OF HAZARDOUS MATERIALS, 2004, 112 (03) :183-190
[2]  
CELIK MS, 1991, LANGMUIR, V7, P79
[3]  
CHIEN SH, 1992, MUSCLE SHOALS B, V224, P47
[4]   Lead phosphate formation in soils [J].
CotterHowells, J .
ENVIRONMENTAL POLLUTION, 1996, 93 (01) :9-16
[5]   SOURCES AND PATHWAYS OF ENVIRONMENTAL LEAD TO CHILDREN IN A DERBYSHIRE MINING VILLAGE [J].
COTTERHOWELLS, J ;
THORNTON, I .
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH, 1991, 13 (02) :127-135
[6]   Adsorption - from theory to practice [J].
Dabrowski, A .
ADVANCES IN COLLOID AND INTERFACE SCIENCE, 2001, 93 (1-3) :135-224
[7]   MICROMINERALOGY OF MINE WASTES IN RELATION TO LEAD BIOAVAILABILITY, BUTTE, MONTANA [J].
DAVIS, A ;
DREXLER, JW ;
RUBY, MV ;
NICHOLSON, A .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1993, 27 (07) :1415-1425
[8]  
Filipovic-Kovacevic Z, 2000, FOOD TECHNOL BIOTECH, V38, P211
[9]   Modified natural phosphates:: easily accessible basic catalysts for the epoxidation of electron-deficient alkenes [J].
Fraile, JM ;
García, JI ;
Mayoral, JA ;
Sebti, S ;
Tahir, R .
GREEN CHEMISTRY, 2001, 3 (06) :271-274
[10]   Adsorption of cobalt from aqueous solutions onto sepiolite [J].
Kara, M ;
Yuzer, H ;
Sabah, E ;
Celik, MS .
WATER RESEARCH, 2003, 37 (01) :224-232
123