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Environmental behavior of engineered nanomaterials in porous media: a review
- Environmental behavior of engineered nanomaterials in porous media: a review
- Park, Chang Min; Chu, Kyoung Hoon; Heo, Jiyong; Her, Narriguk; Jang, Min; Son, Ahjeong; Yoon, Yeomin
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- JOURNAL OF HAZARDOUS MATERIALS
- 0304-3894; 1873-3336
- vol. 309, pp. 133 - 150
- Engineered nanomaterials; Transport; Porous media; Sorption modeling
- ELSEVIER SCIENCE BV
- SCI; SCIE; SCOPUS
- A pronounced increase in the use of nanotechnology has resulted in nanomaterials being released into the environment Environmental exposure to the most common engineered nanomaterials (ENMs), such as carbon-based and metal-based nanomaterials, can occur directly via intentional injection for remediation purposes, release during the use of nanomaterial-containing consumer goods, or indirectly via different routes. Recent reviews have outlined potential risks assessments, toxicity, and life cycle analyses regarding ENM emission. In this review, inevitable release of ENMs and their environmental behaviors in aqueous porous media are discussed with an emphasis on influencing factors, including the physicochemical properties of ENMs, solution chemistry, soil hydraulic properties, and soil matrices. Major findings of laboratory column studies and numerical approaches for the transport of ENMs are addressed, and studies on the interaction between ENMs and heavy metal ions in aqueous soil environments are examined. Future research is also presented with specific research directions and outlooks. (C) 2016 Elsevier B.V. All rights reserved.
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