Applications of nanotechnology in water and wastewater treatment pdf

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applications of nanotechnology in water and wastewater treatment pdf

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This book describes the latest progress in the application of nanotechnology for water treatment and purification.

Nanotechnology for Water and Wastewater Treatment

Please purchase via www. Editor s : P. Lens J. Virkutyte V. Jegatheesan S.

Nanoagronomy pp Cite as. Water is one of the most precious and limited resource on the planet earth, that is continuously recycled through the water cycle. Several types of pollutants including organic, inorganic materials, microorganisms, industrial waste and many other toxic substances are the major causes of water pollution. To overcome this water shortage, across the world several methods have been devised to treat the contaminated water before its discharge into the ecosystem. Amongst all the recent techniques nanotechnology sounds to be a promising and most advanced technology that is used for the purification of waste water.

Applications of nanotechnology in water and wastewater treatment.

The industrial contamination, along with domestic effluents, agricultural and urban runoff are contaminating rivers and making it difficult for conventional water treatment to remove all the pollutants. This contamination can impact in the quality of rivers, in the quality of life of aquatic animals and can impact in the human health through the consumption of water. In order to improve the water quality, nanotechnology has been studied as an alternative to better remove contaminants, such as, heavy metals, oily water separation and antimicrobial activity. Besides, with the increase in industrialization along with the contamination of rivers, seawater could be an interesting alternative for drinking water source after adequate treatment. Nanomaterials are being studied as a possibility to remove salt from seawater, making it possible to drink. Howerver, there is a need to elucidate the potential risks to the environemt that these nanomaterials can cause. Therefore, the aim of this review is to describe some applications of nanotechnology in water treatment regarding metals, oil removal from water, antimicrobial activity and desalination in order to improve water quality, as well, as discuss their potential risk to the environment.

Nanotechnology, the engineering and art of manipulating matter at the nanoscale nm , offers the potential of novel nanomaterials for the treatment of surface water, groundwater and wastewater contaminated by toxic metal ions, organic and inorganic solutes and microorganisms. At the present time many nanomaterials are under active research and development. This timely volume reviews the current state-of-the-art research and development of different nanomaterials nanostructured catalytic membranes, nanosorbents, nanocatalysts and bioactive nanoparticles and their application in water treatment, purification and disinfection. The expert authors have contributed chapters focusing on the cutting-edge research in this emerging technology and its applications in microbiology and water treatment. Topics covered include the detection of microbial pathogens, nanofibers and nanobiocides in water purification, nanozymes for biofilm removal, water and wastewater treatment and reverse osmosis.

In order to improve the water quality, nanotechnology has been studied as an alternative to better remove contaminants, such as, heavy metals, oily water separation and antimicrobial activity.

Nanotechnology for Water Treatment and Purification

The rapid development of nanoscience enables a technology revolution that will soon impact virtually every facet of the water sector. Yet, there is still too little understanding of what nanoscience and nanotechnology is, what can it do and whether to fear it or not, even among the educated public as well as scientists and engineers from other disciplines. Despite the numerous books and textbooks available on the subject, there is a gap in the literature that bridges the space between the synthesis conventional and more greener methods and use applications in the drinking water production, wastewater treatment and environmental remediation fields of nanotechnology on the one hand and its potential environmental implications fate and transport of nanomaterials, toxicity, Life Cycle Assessments on the other.

Javascript is currently disabled in your browser. Several features of this site will not function whilst javascript is disabled. Received 18 April Published 6 January Volume Pages 1— Review by Single anonymous peer review.

Innovations in nanotechnology for water treatment

About this book

Головы повернулись к спутниковому экрану. - Танкадо играет с нами в слова! - сказал Беккер.  - Слово элемент имеет несколько значений. - Какие же, мистер Беккер? - спросил Фонтейн. Все остальные встретили слова Беккера недоуменным молчанием. - Элементы! - повторил Беккер.  - Периодическая таблица.

Старшие должностные лица АНБ имели право разбираться со своими кризисными ситуациями, не уведомляя об этом исполнительную власть страны. АНБ было единственной разведывательной организацией США, освобожденной от обязанности отчитываться перед федеральным правительством. Стратмор нередко пользовался этой привилегией: он предпочитал творить свое волшебство в уединении. - Коммандер, - все же возразила она, - это слишком крупная неприятность, и с ней не стоит оставаться наедине. Вам следовало бы привлечь кого-то .

 - Стратмор выдержал паузу.  - Какой была твоя первая реакция, когда я сообщил тебе о смерти Танкадо. Сьюзан нахмурилась. - Я подумала, что АНБ его ликвидировало. - Вот. Если АНБ в состоянии вывести пять риолитовых спутников на геостационарную орбиту над Ближним Востоком, то, мне кажется, легко предположить, что у нас достаточно средств, чтобы подкупить несколько испанских полицейских.  - Его доводы звучали волне убедительно.


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