Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Nanotech Filter Separates Oil and Water

A scanning electron microscopy image of the carbon nanotube-coated filter. For comparison, the inset is bare stainless steel mesh.
A scanning electron microscopy image of the carbon nanotube-coated filter. For comparison, the inset is bare stainless steel mesh.

Abstract:
Water and oil may not mix, but, like two boxers nearing the end of the final round, they can get awfully tangled up.

Now, Michigan Technological University scientists Yoke Khin Yap and Jaroslaw Drelich have created a filter that separates the two substances as quickly and cleanly as a ref breaking up a clinch.

Nanotech Filter Separates Oil and Water

Houghton, MI | Posted on April 12th, 2011

Their fine, stainless steel mesh is coated with carbon nanotubes about 10 microns across. "They have a super-honeycomb structure that repels water," says Yap, an associate professor of physics. "But they like organic stuff, like oil."

The team poured an emulsion of water and gasoline over the filter to test it. Sure enough, the gas dripped through; all but 20 percent of the water stayed put.

It's not as if you could filter the Gulf of Mexico through the device, Yap cautions. Their prototype is about the size of a quarter. Plus, the water drops can actually clog the spaces between the nanotubes, making it hard for anything to get through. "But the attractive thing is that it's so simple," he says. "It runs by gravitation."

Drelich, an associate professor of materials science and engineering, thinks the filter has real-world potential. "These were just our first set of experiments," he says. "We could supply electricity to it to heat it up, reducing the oil's viscosity evaporating the water. We could also create a vacuum that would suck oil through the filter to the other side. A good engineering design could get rid of clogging problem."

Such technology could help purify oil from Canada's tar sands, which is contaminated by traces of corrosive salt water. Or, it could be used to recover oil from the wastewater of ocean-going vessels. It might even be able to scrub the oil inside your car's engine.

"Our design would be completely novel, because it relies on nanotechnology, and it could be competitive," says Drelich.

Their work was published in the Feb. 2 edition of the journal Carbon and is funded by the National Science Foundation.

####

About Michigan Technological University
Michigan Technological University (www.mtu.edu) is a leading public research university developing new technologies and preparing students to create the future for a prosperous and sustainable world. Michigan Tech offers more than 130 undergraduate and graduate degree programs in engineering; forest resources; computing; technology; business; economics; natural, physical and environmental sciences; arts; humanities; and social sciences.

For more information, please click here

Contacts:
Marcia Goodrich
906-487-2343

Administration Building G14

Copyright © Michigan Technological University

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Quantum networks: Back and forth are not equal distances! July 28th, 2015

Smart hydrogel coating creates 'stick-slip' control of capillary action July 27th, 2015

Industrial Nanotech, Inc. Provides Update on PCAOB Audited Financials July 27th, 2015

Global Corrosion Resistant Nano Coatings Market To 2015: Acute Market Reports July 27th, 2015

Govt.-Legislation/Regulation/Funding/Policy

Smart hydrogel coating creates 'stick-slip' control of capillary action July 27th, 2015

Researchers predict material with record-setting melting point July 27th, 2015

Reshaping the solar spectrum to turn light to electricity: UC Riverside researchers find a way to use the infrared region of the sun's spectrum to make solar cells more efficient July 27th, 2015

Superfast fluorescence sets new speed record: Plasmonic device has speed and efficiency to serve optical computers July 27th, 2015

Nanotubes/Buckyballs/Fullerenes

UT Dallas nanotechnology research leads to super-elastic conducting fibers July 24th, 2015

Nano-C Receives EPA Approvals for Single Walled Carbon Nanotubes July 21st, 2015

Global Carbon Nanotube Industry 2015 Market Research Report July 20th, 2015

Old astronomic riddle on the way to be solved July 16th, 2015

Discoveries

Quantum networks: Back and forth are not equal distances! July 28th, 2015

Smaller, faster, cheaper: A new type of modulator for the future of data transmission July 27th, 2015

Researchers predict material with record-setting melting point July 27th, 2015

Reshaping the solar spectrum to turn light to electricity: UC Riverside researchers find a way to use the infrared region of the sun's spectrum to make solar cells more efficient July 27th, 2015

Announcements

Quantum networks: Back and forth are not equal distances! July 28th, 2015

Reshaping the solar spectrum to turn light to electricity: UC Riverside researchers find a way to use the infrared region of the sun's spectrum to make solar cells more efficient July 27th, 2015

Industrial Nanotech, Inc. Provides Update on PCAOB Audited Financials July 27th, 2015

Global Corrosion Resistant Nano Coatings Market To 2015: Acute Market Reports July 27th, 2015

Water

Nanosorbents Reduce Amount of Heavy Metals in Petrochemical Wastewater July 23rd, 2015

Global Nano-water Machine Industry 2015 Market Research Report July 23rd, 2015

Can graphene make the world’s water clean? July 13th, 2015

Nanomembranes Boost Efficiency in Wastewater Treatment July 12th, 2015

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project