By Anita Street; et al
Nanotechnology is already having a dramatic impression on enhancing water caliber and the second one variation of Nanotechnology purposes for fresh Water highlights either the demanding situations and the possibilities for nanotechnology to absolutely impact this zone of environmental security. This booklet provides specified info on state of the art applied sciences, present learn, and developments which can effect the luck and Read more...
summary: Nanotechnology is already having a dramatic effect on bettering water caliber and the second one version of Nanotechnology functions for fresh Water highlights either the demanding situations and the possibilities for nanotechnology to absolutely impact this sector of environmental safeguard. This e-book offers particular info on state of the art applied sciences, present study, and tendencies that could impression the luck and uptake of the functions. fresh advances exhibit that a number of the present issues of water caliber could be addressed utilizing nanosorbents, nanocatalysts, bioactive nanoparticles, nanostructured catalytic membranes, and nanoparticle improved filtration. The ebook describes those applied sciences intimately and demonstrates how they could supply fresh consuming water in either huge scale water therapy vegetation and in point-of-use platforms. furthermore, the ebook addresses the societal elements that could impact frequent recognition of the purposes
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Extra info for Nanotechnology applications for clean water : solutions for improving water quality
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Would you be comfortable doing so? Would testing data indicating that this water was cleaner than the public water supply be enough to put aside any trepidation? On a recent visit, I learned about Singapore’s NEWater1. Surrounded by the sea, with limited surface area and reservoir capacity and a growing population, Singapore has embraced advanced technology À including nanotechnology À to meet its water needs. The program uses advanced filtration, reverse osmosis and disinfection technologies to allow wastewater to supplement their potable water supply.
Sensors that are field-deployable and able to measure part-per-billion (ppb) or nanomolar levels of toxic pollutants will reduce time and costs associated with environmental monitoring of hazardous Street, Sustich, Duncan and Savage. Nanotechnology Applications for Clean Water, 2nd Edition. © 2014 Elsevier Inc. All rights reserved. 1 (A) The ideal structures of an SWCNT and (B) a graphene sheet. From Ref. [4], reproduced by permission of Wiley-VCH. chemicals. Electrochemical sensors appear to be a very promising technique that offers desired characteristics such as field-deployability, selectivity, sensitivity, robustness, and inexpensiveness [1À3].
In this chapter, we focus only on the use of two carbon nanomaterials, carbon nanotubes (CNTs) and graphene-based sensors for water monitoring and environmental applications. CNTs are well-ordered, hollow graphitic nanomaterials made of cylinders of sp2-hybridized carbon atoms. They have high aspect ratios, high mechanical strength, high surface areas, excellent chemical and thermal stabilities, and rich electronic and optical properties [7]. The latter properties make CNTs important transducer materials in biosensors: high conductivity along their length means they are excellent nanoscale electrode materials [8À10].