한빛사 논문
Binoy Sarkara,b,1, Sanchita Mandala, Yiu Fai Tsangc, Pawan Kumard, Ki-Hyun Kime, Yong Sik Okf,g,*
aFuture Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
bDepartment of Geological Sciences, Indiana University, Bloomington, IN 47405, USA
cDepartment of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong
dDepartment of Nano Science and Materials, Central University of Jammu, Jammu 181143, India
eDepartment of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
fKorea Biochar Research Center, Kangwon National University, Chuncheon 24341, Republic of Korea
gO-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
*Corresponding author
Abstract
The search for effective materials for environmental cleanup is a scientific and technological issue of paramount importance. Among various materials, carbon nanotubes (CNTs) possess unique physicochemical, electrical, and mechanical properties that make them suitable for potential applications as environmental adsorbents, sensors, membranes, and catalysts. Depending on the intended application and the chemical nature of the target contaminants, CNTs can be designed through specific functionalization or modification processes. Designer CNTs can remarkably enhance contaminant removal efficiency and facilitate nanomaterial recovery and regeneration. An increasing number of CNT-based materials have been used to treat diverse organic, inorganic, and biological contaminants. These success stories demonstrate their strong potential in practical applications, including wastewater purification and desalination. However, CNT-based technologies have not been broadly accepted for commercial use due to their prohibitive cost and the complex interactions of CNTs with other abiotic and biotic environmental components. This paper presents a critical review of the existing literature on the interaction of various contaminants with CNTs in water and soil environments. The preparation methods of various designer CNTs (surface functionalized and/or modified) and the functional relationships between their physicochemical characteristics and environmental uses are discussed. This review will also help to identify the research gaps that must be addressed for enhancing the commercial acceptance of CNTs in the environmental remediation industry.
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