Use of porous volcanic rocks for the adsorptive removal of copper

被引：6

作者：

Alemayehu, Esayas ^{[1
]}

Melak, Fekadu ^{[2
]}

Sharma, Saroj K. ^{[3
]}

Van der Bruggen, Bart ^{[4
]}

Lennartz, Bernd ^{[5
]}

机构：

[1] Jimma Univ, Inst Technol, Sch Civil & Environm Engn, Jimma, Ethiopia

[2] Jimma Univ, Jimma Inst Hlth, Dept Environm Hlth Sci & Technol, POB 378, Jimma, Ethiopia

[3] UNESCO IHE Inst Water Educ, Delft, Netherlands

[4] Katholieke Univ Leuven, Dept Chem Engn, Leuven, Belgium

[5] Rostock Univ, Inst Land Use, Rostock, Germany

来源：

WATER AND ENVIRONMENT JOURNAL | 2017年 / 31卷 / 02期

关键词：

adsorptive removal; low-cost; porous volcanic rocks; AQUEOUS-SOLUTIONS; HEAVY-METAL; ACTIVATED CARBON; PARTICLE-SIZE; SURFACE-AREA; WATER; CADMIUM; CLAY; SORPTION; ADSORBENTS;

D O I：

10.1111/wej.12234

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Low-cost adsorbents, pumice (VPum) and scoria (VSco) were investigated for the removal of Cu(II) as function of various parameters. Batch experiments were conducted to evaluate the influence of Cd(II) and Ni(II) on the adsorptive removal of Cu(II) from aqueous solutions. Kinetic data showed a trend of fast removal at initial stages, thereby achieving maximum adsorption after 1 h agitation. The adsorption process well explained by pseudo-second-order kinetics for both adsorbents. Adsorption capacity were found 1.432 and 1.015 mg/g using VPum and VSco, respectively. This work showed the promising nature of pumice and scoria to effectively remove copper from water.

引用

页码：194 / 201

页数：8

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