Use of models of sorption isotherms for describing the removal of Pb2+ and Cd2+ ions from aqueous solution on organic sorbents

被引：2

作者：

Bozecka, Agnieszka ^{[1
]}

Bozecki, Piotr ^{[2
]}

Sanak-Rydlewska, Stanislawa ^{[1
]}

机构：

[1] AGH Krakowie, Katedrze Inzynierii Srodowiska & Przerobki Surowc, Wydziale Gornictwa & Geoinzynierii, Krakow, Poland

[2] AGH Krakowie, Katedrze Mineral Petrog & Geochem, Krakow, Poland

来源：

PRZEMYSL CHEMICZNY | 2017年 / 96卷 / 03期

关键词：

HEAVY-METAL IONS; WASTE-WATER; BIOSORPTION; ADSORPTION; CADMIUM; PB(II); LEAD; CD(II); EQUILIBRIUM; BIOSORBENT;

D O I：

10.15199/62.2017.3.18

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Shredded husks of sunflower, walnut shells and plum stones with particle size less than 0.5 mm were used sep. for the removal Pd2+ and Cd2+ ions from solns. at 25 degrees C. Initial concns. of both ions were changed in the range 0.3-109.4 g/L, resp. Sorbent mass ionic strength, time of adsorption and mixing rate were const. 0.5 g, 0.02 mol/L, 1 h and 120 rpm, resp. Sorption processes were described by Langmuir, Freundlich, Dubinin and Raduszkiewicz models of sorption isotherms. The husk of sunflower showed the best sorption ability.

引用

页码：575 / 579

页数：5

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