A comprehensive review on photocatalytic removal of heavy metal ions by polyaniline-based nanocomposites

被引:37
作者
Pang, Ai Ling [1 ]
Arsad, Agus [2 ]
Zaini, Muhammad Abbas Ahmad [3 ]
Garg, Renuka [4 ]
Iqbal, Muhammad Saqlain [5 ]
Pal, Ujjwal [6 ]
Haniff, Muhammad Aniq Shazni Mohammad [7 ]
Hamzah, Azrul Azlan [7 ]
Pung, Swee-Yong [8 ]
Ahmadipour, Mohsen [7 ]
机构
[1] Univ Tunku Abdul Rahman, Fac Sci, Dept Chem Sci, Kampar 31900, Perak, Malaysia
[2] Univ Teknol Malaysia, UTM MPRC Inst Oil & Gas, Fac Engn, Sch Chem & Energy Engn, Johor Baharu, Malaysia
[3] Univ Teknol Malaysia, Ibnu Sina Inst Sci & Ind Res ISI SIR, Fac Engn, Ctr Lipids Engn & Appl Res CLEAR,Sch Chem & Energy, Johor Baharu, Malaysia
[4] Amer Univ Sharjah, Dept Chem Engn, Sharjah, U Arab Emirates
[5] Polytech Univ Bari, Dept Elect & Informat Engn, Via E Orabona 4, I-70125 Bari, Italy
[6] CSIR Indian Inst Chem Technol, Dept Energy & Environm Engn, Hyderabad, India
[7] Univ Kebangsaan Malaysia, Inst Microengn & Nanoelect, Bangi 43600, Selangor, Malaysia
[8] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Nibong Tebal, Pulau Pinang, Malaysia
关键词
Polyaniline; photocatalysis; heavy metal ions; removal efficiency; nanocomposites; factor affecting; HEXAVALENT CHROMIUM; CONDUCTING POLYMERS; AQUEOUS-SOLUTION; CHARGE-TRANSFER; DEGRADATION; WATER; CR(VI); FABRICATION; ADSORPTION; POLLUTANTS;
D O I
10.1080/00986445.2023.2227568
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The primary goals of human civilization are sustainable growth and restoration of the ecosystem. Currently, the continuous release of effluents containing heavy metals from tanneries, and the mining, printing, and pharmaceutical industries into the aquatic environment has become a serious issue. Chromium (Cr) and mercury (Hg) pose a major threat to human beings. Several techniques have been employed to mitigate this threat, including adsorption, electrolysis, chemical precipitation, desalination, reverse osmosis, ion exchange, membrane filtration, and photocatalysis. However, photocatalysis is known for its cost-effectiveness and green aspects in the removal of heavy metal ions from solutions. Over the last few decades, there has been a growing interest among researchers worldwide to study this technique. Numerous materials, including conducting polymers (CPs), have been utilized for the removal of heavy metal ions from wastewater/aqueous solutions. Polyaniline (PANI)-based nanocomposites are effective photocatalysts for the removal of various types of heavy metal ions from wastewater/aqueous solutions. Despite its potential, several factors affect the removal efficiency, such as irradiation levels and the type of PANI-based nanocomposite used. Further research is needed to address these challenges and improve the stability and reusability of PANI-based photocatalysts. Given the available water resources in the real world, it is critical that in-depth research be conducted into PANI-based photocatalysts, and the stability and reusability of such catalysts and achieving the primary goals of human civilization, namely sustainable growth and ecosystem restoration.
引用
收藏
页码:275 / 299
页数:25
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