Featured Research

from universities, journals, and other organizations

Contaminated Site Remediation: Are Nanomaterials The Answer?

Date:
July 10, 2009
Source:
Project on Emerging Nanotechnologies
Summary:
Scientists have reviewed the use of nanomaterials for environmental cleanup. The authors conclude that the technology could be an effective and economically viable alternative for some current site cleanup practices, but potential risks remain poorly understood.

A new review article appearing in Environmental Health Perspectives (EHP) co-authored by Dr. Todd Kuiken, a research associate for the Project on Emerging Nanotechnologies (PEN), focuses on the use of nanomaterials for environmental cleanup. It provides an overview of current practices; research findings; societal issues; potential environment, health, and safety implications; and possible future directions for nanoremediation.

Related Articles


The authors conclude that the technology could be an effective and economically viable alternative for some current site cleanup practices, but potential risks remain poorly understood.

According to Dr. Kuiken, “Despite the potentially high performance and low cost of nanoremediation, more research is needed to understand and prevent any potential adverse environmental impacts, particularly studies on full-scale ecosystem-wide impacts. To date, little research has been done.”

In its 2004 report Nanoscience and nanotechnologies: opportunities and uncertainties, the British Royal Society and Royal Academy of Engineering recommended that the use of free manufactured nanoparticles be prohibited for environmental applications such as remediation until further research on potential risks and benefits had been conducted. The European Commission’s Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR) called for further risk research in 2005 while acknowledging environmental remediation technology as one of nanotechnology’s potential benefits.

Supplemental material published with the EHP review identifies 45 sites where nanomaterials have been used for soil and groundwater remediation, covering seven countries and 12 U.S. states. Most of the materials discussed are a form of nano-scale zero-valent iron that are injected into the ground in a slurry which provide a reducing environment that enables the breakdown of contaminants.

To coincide with the release of the EHP article, PEN has for the first time made publicly available an interactive, online map of global nanoremediation sites. The map shows which nanomaterials have been used where and includes detailed information on the contaminants treated and the nature of the treatment. It provides a unique source of information on the intentional release of nanomaterials into the environment to treat contaminated ground and water.


Story Source:

The above story is based on materials provided by Project on Emerging Nanotechnologies. Note: Materials may be edited for content and length.


Journal Reference:

  1. Barbara Karn, Todd Kuiken, and Martha Otto. Nanotechnology and In situ Remediation: A Review of the Benefits and Potential Risks. Environmental Health Perspectives, Online June 23, 2009 DOI: 10.1289/ehp.0900793

Cite This Page:

Project on Emerging Nanotechnologies. "Contaminated Site Remediation: Are Nanomaterials The Answer?." ScienceDaily. ScienceDaily, 10 July 2009. <www.sciencedaily.com/releases/2009/07/090708160506.htm>.
Project on Emerging Nanotechnologies. (2009, July 10). Contaminated Site Remediation: Are Nanomaterials The Answer?. ScienceDaily. Retrieved January 27, 2015 from www.sciencedaily.com/releases/2009/07/090708160506.htm
Project on Emerging Nanotechnologies. "Contaminated Site Remediation: Are Nanomaterials The Answer?." ScienceDaily. www.sciencedaily.com/releases/2009/07/090708160506.htm (accessed January 27, 2015).

Share This


More From ScienceDaily



More Earth & Climate News

Tuesday, January 27, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Aquaponics Turn Suburban Industrial Park Into Farmland: Hume

Aquaponics Turn Suburban Industrial Park Into Farmland: Hume

The Toronto Star (Jan. 27, 2015) — Ancient techniques of growing greens with fish and water are well ahead of Toronto bylaws. Video provided by The Toronto Star
Powered by NewsLook.com
Storm Slams New England, Spares Mid-Atlantic

Storm Slams New England, Spares Mid-Atlantic

AP (Jan. 27, 2015) — A howling blizzard with wind gusts over 70 mph heaped snow on Boston along with other stretches of lower New England and Long Island on Tuesday, but failed to live up to the hype in Philadelphia and New York City. (Jan. 27) Video provided by AP
Powered by NewsLook.com
Mexico's Volcano of Fire Erupts Again

Mexico's Volcano of Fire Erupts Again

Reuters - News Video Online (Jan. 26, 2015) — A huge plume of smoke shoots into the air as activity in Mexico&apos;s Volcano of Fire picks up again. Rough Cut (no reporter narration). Video provided by Reuters
Powered by NewsLook.com
Time Lapse: Snow, Frost Piling Up in New York's Times Square

Time Lapse: Snow, Frost Piling Up in New York's Times Square

Reuters - US Online Video (Jan. 26, 2015) — Video shows the accumulation of snow and frost in New York City&apos;s Times Square over five hours on Monday. Time Lapse (no reporter narration). Video provided by Reuters
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins