Removal of U(VI) from aqueous and polluted water solutions using magnetic Arachis hypogaea leaves powder impregnated into chitosan macromolecule

Gutha Yuvaraja; Ning-Chao Zheng; Yixiong Pang; Minhua Su; Di-Yun Chen; Ling-Jun Kong; Sajid Mehmood; Munagapati Venkata Subbaiah; Jet-Chau Wen

doi:10.1016/j.ijbiomac.2020.01.042

Removal of U(VI) from aqueous and polluted water solutions using magnetic Arachis hypogaea leaves powder impregnated into chitosan macromolecule

Int J Biol Macromol. 2020 Apr 1:148:887-897. doi: 10.1016/j.ijbiomac.2020.01.042. Epub 2020 Jan 13.

Authors

Gutha Yuvaraja¹, Ning-Chao Zheng², Yixiong Pang¹, Minhua Su², Di-Yun Chen³, Ling-Jun Kong⁴, Sajid Mehmood¹, Munagapati Venkata Subbaiah⁵, Jet-Chau Wen⁶

Affiliations

¹ Guangdong Provincial Key Laboratory for Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China; School of Civil Engineering, Guangzhou University, Guangzhou 510006, China.
² Guangdong Provincial Key Laboratory for Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China.
³ Guangdong Provincial Key Laboratory for Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China. Electronic address: cdy@gzhu.edu.cn.
⁴ Guangdong Provincial Key Laboratory for Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China. Electronic address: kongl_jun@163.com.
⁵ Research Centre for Soil & Water Resources and Natural Disaster Prevention (SWAN), National Yunlin University of Science & Technology, 123, Section 3, University Road, Douliou, Yunlin 640, Taiwan, ROC.
⁶ Research Centre for Soil & Water Resources and Natural Disaster Prevention (SWAN), National Yunlin University of Science & Technology, 123, Section 3, University Road, Douliou, Yunlin 640, Taiwan, ROC; Department and Graduate School of Safety and Environment Engineering, National Yunlin University of Science & Technology, 123, Section 3, University Road, Douliou, Yunlin 640, Taiwan, ROC.

PMID: 31945442
DOI: 10.1016/j.ijbiomac.2020.01.042

Abstract

In this study m-AHLPICS (magnetic Arachis hypogaea leaves powder impregnated into chitosan) was prepared and utilized as an adsorbent to remove U(VI) from aqueous and real polluted wastewater samples. m-AHLPICS was characterized by using the BET, XRD, FTIR, SEM with elemental mapping and magnetization measurements. Different experimental effects such as pH, dose, contact time, and temperature were considered broadly. Chitosan modified magnetic leaf powder (m-AHLPICS) exhibits an excellent adsorption capacity (232.4 ± 5.59 mg/g) towards U(VI) ions at pH 5. Different kinetic models such as pseudo-first-order, and pseudo-second-order models were used to know the kinetic data. Langmuir, Freundlich and D-R isotherms were implemented to know the adsorption behavior. Isothermal information fitted well with Langmuir isotherm. Kinetic data followed by the pseudo-second-order kinetics (with high R² values, i.e., 0.9954, 0.9985 and 0.9971) and the thermodynamic data demonstrate that U(VI) removal using m-AHLPICS was feasible, and endothermic in nature.

Keywords: Isotherms; Kinetics; U(VI) removal.

MeSH terms

Adsorption
Arachis / chemistry*
Chitosan / chemistry*
Hydrogen-Ion Concentration
Kinetics
Plant Leaves / chemistry*
Powders
Spectrum Analysis
Temperature
Thermodynamics
Uranium / chemistry*
Wastewater
Water Pollutants, Radioactive / chemistry*
Water Pollution
Water Purification

Substances

Powders
Waste Water
Water Pollutants, Radioactive
Uranium
Chitosan