Modification of natural zeolite for Cu removal from waste waters

被引：5

作者：

Aghazadeh, Sajjad ^{[1
]}

Safarzadeh, Eshagh ^{[2
]}

Gharabaghi, Mahdi ^{[1
]}

Irannajad, Mehdi ^{[2
]}

机构：

[1] Univ Tehran, Sch Min Engn, Coll Engn, Tehran, Iran

[2] Amirkabir Univ Technol, Dept Min & Met Engn, Tehran, Iran

来源：

DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 57期

关键词：

Clinoptilolite; Iron nitrate; Copper; Adsorption; Waste water; ION-EXCHANGE; DRINKING-WATER; ACTIVATED CARBON; CLINOPTILOLITE; ADSORPTION; COPPER; LEAD; TEMPERATURE; NI2+; ZINC;

D O I：

10.1080/19443994.2016.1183230

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In the current research work, the ability of a Fe-modified clinoptilolite for Cu2+ adsorption from aqueous solution was investigated. Mineral characteristics were examined by optical microscope, X-ray diffraction, SEM, and chemical analysis using XRF spectroscopy. Results showed that clinoptilolite, quartz, and gypsum are the main minerals and natural clinoptilolite contained high amounts of SiO2 (61.0%) and Al2O3 (9.3%) in the representative sample. The effects of important parameters including chemical conditioning, initial metal concentration, initial pH, and environmental temperature on Cu2+ adsorption were investigated. The results showed that the Cu2+ adsorption mechanism was strongly dependent on metal concentration and pH. In addition, adsorption data have been interpreted in terms of Langmuir and Freundlich equations. Basing on observation, Fe-modified clinoptilolite has a particularly high potential for Cu2+ removal.

引用

页码：27843 / 27850

页数：8

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