A Highly Stable Eu−MOF Multifunctional Luminescent Sensor for the Effective Detection of Fe3+, Cr2O72−/CrO42− and Aspartic Acid in Aqueous Systems

CrystEngComm ◽  
2022 ◽  
Author(s):  
Yin-Xia Sun ◽  
Geng Guo ◽  
Wenmin Ding ◽  
Wenyu Han ◽  
Juan Li ◽  
...  

Heavy metal ions were common pollutants in water pollution. Amino acids, as important substances in organisms, participate in many life activities. The detection of heavy metal ions and amino acids...

2012 ◽  
Vol 46 (5) ◽  
pp. 292-294 ◽  
Author(s):  
A. S. Berlyand ◽  
A. P. Snyakin ◽  
A. A. Prokopov

RSC Advances ◽  
2016 ◽  
Vol 6 (18) ◽  
pp. 14778-14791 ◽  
Author(s):  
Habibun Nabi Muhammad Ekramul Mahmud ◽  
A. K. Obidul Huq ◽  
Rosiyah binti Yahya

Water pollution caused by heavy metal ions is becoming a serious threat to human and aquatic lives day by day.


Author(s):  
Thabiso C. Maponya ◽  
Mpitloane J. Hato ◽  
Thabang R. Somo ◽  
Kabelo E. Ramohlola ◽  
Mogwasha D. Makhafola ◽  
...  

With growth in civilisation and industrialisation, there is an increase in the release of toxic heavy metal ions and dyes into water system, which is of public concern. As a result, appropriate treatment methods have to be implemented in order to mitigate and prevent water pollution. The discovery of nanotechnology has led to the development and utilisation of various nanoadsorbent for the removal of pollutants from water. PANI nanostructures and nanocomposites are noble adsorbents that have gained popularity in addressing water pollution issues and have been reported in literature. In this chapter, the main focus is on the synthesis of PANI nanocomposites and nanostructures and their application as efficient adsorbents for water treatment. Detailed discussions on different synthetic routes and characterisation have been dedicated to applications of these materials and are compared for the adsorptive removal of heavy metal ions and dyes from water.


2019 ◽  
Vol 688 ◽  
pp. 751-761 ◽  
Author(s):  
J. Plácido ◽  
S. Bustamante López ◽  
K.E. Meissner ◽  
D.E. Kelly ◽  
S.L. Kelly

2021 ◽  
Vol 13 (5) ◽  
pp. 2997
Author(s):  
Jie Pan ◽  
Jiangwei Zhu ◽  
Fulong Cheng

Industrial wastewater has brought huge disasters to water resources and soil and has seriously affected the growth of animals and plants. There is an urgent need for a green and efficient adsorbent to solve the problem of water pollution. Sodium lignosulfonate and chitosan undergo free radical polymerization to form a lignin/chitosan adsorbent, which is used to treat Pb2+ in water pollution. An orthogonal experiment was used to optimize the content of sodium lignosulfonate, chitosan, cross-linking agent and initiator to obtain the adsorbent with the best adsorption performance. The adsorbents were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), thermal analysis and zeta potentiometry. The influence of different conditions on the adsorption of heavy metal ions by lignosulfonate/chitosan adsorbent was explored, and a kinetic and isotherm model was established. The results showed that the adsorption capacity of Pb2+ was 345 mg g−1 when the adsorbent was 0.01 g, the concentration of heavy metal ions was 100 mg L−1 and pH was 7. The adsorption process of lignosulfonate/chitosan is a kind of spontaneous adsorption mode, which is mainly composed of electrostatic adsorption and chemical adsorption.


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