Application of Carbon Nanotubes and Graphene-Based Nanoadsorbents in Water Treatment

doi:10.1007/s12668-023-01175-1

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標題:	Application of Carbon Nanotubes and Graphene-Based Nanoadsorbents in Water Treatment
作者:	Hsu, Chou-Yi Rheima, Ahmed Mahdi Mohammed, Marwa Saad Kadhim, Mustafa M. Mohammed, Srwa Hashim Abbas, Fatima Hashim Abed, Zainab Talib Mahdi, Zahra Muhammed Abbas, Zainab Sabri Hachim, Safa K. Ali, Farah K. Mahmoud, Zaid H. Kianfar, Ehsan
貢獻者:	Chia Nan Univ Pharm & Sci, Dept Pharm Mustansiriyah Univ, Coll Sci, Dept Chem Al Farahidi Univ, Med Lab Tech Dept Univ Garmian, Coll Educ, Chem Dept Al Mustaqbal Univ Coll, Med Lab Tech Dept Univ Mashreq, Coll Pharm Mazaya Univ Coll, Dept Pharm Wasit Univ, Coll Sci, Dept Chem Islamic Univ, Coll Tech Engn Natl Univ Sci & Technol, Coll Hlth & Med Technol, Dept Med Lab Al Turath Univ Coll, Med Lab Tech Dept Univ Diyala, Coll Sci, Chem Dept Istanbul Medeniyet Univ, Fac Engn & Pure Sci, Mech Engn Dept Islamic Azad Univ, Dept Chem Engn Islamic Azad Univ, Gachsaran Branch, Young Researchers & Elite Club
關鍵字:	Water purification Contaminants Sediment CNTs Nanoscale
日期:	2023
上傳時間:	2024-12-25 11:05:35 (UTC+8)
出版者:	SPRINGER
摘要:	In this review, CNT-based adsorbents have been extensively used in the adsorption of inorganic and organic pollutants from water and wastewater. The use of nanoadsorbents is an attractive and promising option in the water treatment process due to its high specific surface area and unique physical and chemical properties. They demonstrate excellent adsorption properties due to their high specific surface area, exceptional porosities, hollow and layered structures, numerous internal and external adsorption sites, & pi;-conjugative structure, and ease of chemical activation and functionalization. A wide range of mechanical, physical, and chemical approaches have been used for the modification or functionalization of CNTs to enhance their adsorptive properties in general or to make them selective toward certain classes of pollutants. Depending on the adsorption conditions and the functionalization involved, CNT-based adsorbents can interact with inorganic contaminants through different mechanisms such as surface complexation, electrostatic interaction, ion exchange, physical adsorption, and precipitation. In the case of organic pollutants, besides physical adsorption, & pi;-& pi; and electrostatic interactions play a major role in adsorption. In some cases, chemical bonding between organics and carbon nanotubes has also been reported as a mechanism of interaction. Properties, functionalization, and mechanisms are involved in CNT-based adsorption of pollutants from aqueous media. An insightful overview of the critical parameters that should be considered while using CNT-based adsorbents for water purification is also provided. In the end, some challenges associated with CNT-based adsorbents are presented, along with the potential solutions.
關聯:	Bionanoscience, v.13, n.4, pp.1418-1436
顯示於類別:	[藥學系(所)] 期刊論文

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