Removal of Zn2+ in aqueous solution by Linde F (K) zeolite prepared from recycled fly ash

被引：1

作者：

Chen, C. ^{[1
]}

Cheng, T. ^{[2
]}

Wang, Z. L. ^{[3
]}

Han, C. H. ^{[2
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Biol & Chem Engn, Zhenjiang 212018, Peoples R China

[2] Jiangsu City Vocat Coll, Dept City Sci, Nanjing 210036, Jiangsu, Peoples R China

[3] Changsu Prov Acad Environm Sci, Key Lab Environm Engn, Nanjing 210036, Jiangsu, Peoples R China

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2014年 / 91卷 / 02期

关键词：

Zn; adsorption; Linde F(K); zeolite; fly ash; WASTE-WATER; ZN(II) ADSORPTION; HEAVY-METALS; ADSORBENTS; CU(II); VERMICOMPOST; EQUILIBRIUM; PRODUCTS; KINETICS; CADMIUM;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Linde F (K) zeolite is used for removing Zn-II from aqueous solution. The zeolite is synthesized between fly ash and 8 M KOH solution by hydrothermal process (liquid/solid = 5 and 95 degrees C). The XRD. and SEM-EDS are used to study zeolite characteristics. The studying experiment parameters are adsorption temperature, zeolite dosage and solution pH. The results show that Zn-II removal could be improved by increasing temperature. The optimal solution pH and most efficient zeolite dosage is 7 and 5 g/L respectively. Pseudo-second order model and Langmuir isotherm shows better calculation results for the adsorption of Zn-II on Linde F (K). The endothermic adsorption process is spontaneous and the adsorption becomes more spontaneous with temperature increasing.

引用

页码：285 / 291

页数：7

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