Optimization and Modeling of Ammonia Removal from Aqueous Solutions by Using Adsorption on Single-walled Carbon Nanotubes

被引：1

作者：

Jamshidi, Arsalan ^{[1
]}

Rezaei, Soheila ^{[2
]}

Hassani, Ghasem ^{[2
]}

Jahanpour, Roohullah ^{[1
]}

Marioryad, Hossein ^{[1
]}

机构：

[1] Yasuj Univ Med Sci, Dept Environm Hlth Engn, Shahid Dastjerdi St,Imam Hossein Sq, Yasuj 7591875114, Iran

[2] Yasuj Univ Med Sci, Social Determinants Hlth Res Ctr, Shahid Dastjerdi St,Imam Hossein Sq, Yasuj 7591875114, Iran

来源：

JOURNAL OF ENGINEERING AND TECHNOLOGICAL SCIENCES | 2021年 / 53卷 / 03期

关键词：

ammonia removal; carbon nanotubes; isotherm; kinetics; response surface methodology; HYDROGEL NANOCOMPOSITE; METHYLENE-BLUE; DRINKING-WATER; OXIDATION; WASTE; EQUILIBRIUM; BIOSORPTION; PERFORMANCE; ADSORBENT; SLUDGE;

D O I：

10.5614/j.eng.technol.sci.2021.53.3.9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Due to the health effects of ammonia as an environmental pollutant, such as its odor, corrosion, algae phenomenon, etc., a method should be adopted to remove it from wastewater. In this study, removal of ammonia from hypothetical wastewater was investigated using adsorption on SWCNTs. The Design-Expert software was used to design the experiments and optimize the parameters that are effective in the adsorption performance of carbon nanotubes (CNTs), such as contact time, adsorbent dosage, pH, temperature, and ammonia concentration. The results revealed that the maximum adsorption with a performance of 90% was attained at a pH of 9.5. In addition, the adsorption performance was enhanced by increasing adsorption time and adsorbent dosage. Furthermore, increasing the temperature and the adsorbate quantity led to a decrease in the adsorption performance.

引用

页数：18

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