report
6.6.5 Applications and perspectives
Many companies that have developed nanoproducts for groundwater remediation, advertise this product also for the remediation of contaminated soils. As mentioned above, the two compartments are closely linked.
A comprehensive overview over the applications of nZVI are given in the focus report 2010 which can be downloaded from http://www.observatorynano.eu/project/catalogue/2EV.FO/
Continental Remediation LLC (www.continentalremediation.com) is using nanosized calcium peroxide for the remediation of soils with different organic contaminants such as gasoline, heating oil, MTBE, ethylene glycol and solvents. Calcium peroxide is claimed to be highly efficient in removing especially aromatics. A full scale case study has been successfully completed.
Verutek and the USEPA (U.S. Environmental Protection Agency) have developed a green synthesis of nanometals using plant extracts (provisional patent obtained) (http://www.verutek.com/Nano%20Zero%20Valent%20Iron.htm) which is used for the treatment of soils and groundwater (http://www.verutek.com/Role%20of%20Nanomaterials%20.htm)
AC Environmental has developed a product called AC Nano (a JNJ Smart-Sorb product) which is supposed to remove heavy metals (lead, cadmium, nickel, zinc, copper, manganese and cobalt) from contaminated soils, groundwater and industrial wastewater. A similar product also addresses arsenic contamination and they are working on a AC Nano-product that will remove mercury. AC Nano is claimed to be non-toxic.
(http://www.ac-environmental.com/products/acnano/removing-heavy-metals)
Meisol Ltd., company set up in February 2008, is developing a new composite material for the remediation of contaminated groundwater, soil and wastewater. The composite material is formed by bonding nano-sized zero-valent iron (nZVI) particles with metalloporphyrin catalysts onto a diatomite matrix that shows catalytic activity toward different contaminants, especially to halogenated organic compounds, that are common soil and groundwater pollutants. http://www.incubators.org.il/26064.htm
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Visits: 13, Published on: November, 13th 2008, 02:33 PM, Last edit: 2010-04-13 16:06:12 Size: 2 KByte
Tags: soil, remediation, technology



