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The Role of Biocomposites and Nanocomposites in Eliminating Organic Contaminants from Effluents
oleh: Abdulilah Mohammad Mayet, Mohammad Hijji, Ebraheem Abdu Musad Saleh, Arif Reza, Sokaina Issa Kadhim, Sherzod Shukhratovich Abdullaev, Ali Alsalamy, Zahraa F. Hassan, Cristian Vacacela Gomez, Talia Tene
Format: | Article |
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Diterbitkan: | MDPI AG 2023-08-01 |
Deskripsi
Many contaminants such as heavy metals, dyes and hydrocarbon compounds are annually generated by industrial activities and discharged into water sources. They have destructive impacts on the environment. To eliminate these toxic contaminants from aqueous media, sorption can be considered a proper and efficient process, as it has indicated high efficiency for removing organic contaminants. This paper entails a comprehensive evaluation of different organic pollutants, pros and cons of the sorption process in removing these pollutants, comparing different types of adsorbents and investigating the recyclability of different types of composites. Moreover, the sorption mechanism and kinetic behavior of organic contaminants are investigated using biocomposites and nanocomposites. Moreover, the future perspectives of biocomposites and nanocomposites in eliminating organic compounds are discussed. Based on investigations, a large number of nanocomposites have been utilized for removing organic contaminants with high performance so far, including SiO<sub>2</sub>/MnFe<sub>2</sub>O<sub>4</sub>/ZIF-8 MOF, magnetite/MWCNTs, nano zerovalent iron, barium/Cobalt/polyethylene glycol (PEG), graphene oxide/Fe<sub>3</sub>O<sub>4</sub>, kaolin/CuFe<sub>2</sub>O<sub>4</sub> and Fe<sub>3</sub>O<sub>4</sub>@UiO-66. Moreover, polyaniline/sodium alginate/<i>Oscillatoria</i> filamentous cyanobacterium biomass, cow bones/zeolite/coconut biocomposite and AC derived from melamine and sucrose are excellent biocomposites in the removal of organic pollutants. Moreover, the reusability study shows that poly(N-isopropylacrylamide)/Fe<sub>3</sub>O<sub>4</sub> and corn stalk biomass/chitosan/Fe<sub>3</sub>O<sub>4</sub> biocomposites have significant stability compared to other composites in the elimination of organic pollutants.