Navigation Links
New material absorbs, conserves oil
Date:2/4/2010

An ultra-lightweight sponge made of clay and a bit of high-grade plastic draws oil out of contaminated water but leaves the water behind.

And, lab tests show that oil absorbed can be squeezed back out for use.

Case Western Reserve University researchers who made the material, called an aerogel, believe it will effectively clean up spills of all kinds of oils and solvents on factory floors and roadways, rivers and oceans.

The EPA estimates that 10 to 25 million gallons of oil are spilled annually in this country alone. Spilled oil ruins drinking water, is a fire and explosion hazard, damages farmland and beaches and destroys wildlife and habitats. The harm can last decades.

The aerogel is made by mixing clay with a polymer and water in a blender, said David Schiraldi, chairman of the Macromolecular Science and Engineering department at the Case School of Engineering.

The mixture is then freeze-dried; air fills the gaps left by the loss of water. The resulting material is super light, comprised of about 96 percent air, 2 percent polymer and 2 percent clay.

The oil-absorbing form is just one of a growing list of clay-based aerogels being made in Schiraldi's lab. By adding different polymers, they produce materials with different properties.

"This particular one is oleophilic or oil-loving," Schiraldi said. "Chemically, it hates water, loves oil: the perfect combination."

The aeorgel can be made in granular form, in sheets or in blocks of almost any shape and is effective in fresh and saltwater or on a surface. Because absorption is a physical phenomenon, there is no chemical reaction between the material and oil. If the oil is otherwise not contaminated, it can be used.

Oil spill experts on both coasts say that the ability to squeeze out and conserve the oil is an advantage over other products currently available.

The material was first made when Schiraldi challenged his then-PhD student Matt Gawryla with idea of making kitty litter. Gawryla added the oil cleanup concept to the program.

Case Western Reserve has granted a 9-month exclusive license for this and other clay-based aerogel technologies to AeroClay, Inc. a startup company. Schiraldi will be chief scientific officer of the new company.


'/>"/>

Contact: Kevin Mayhood
kevin.mayhood@case.edu
216-368-4442
Case Western Reserve University
Source:Eurekalert

Related biology technology :

1. An easy way to see the worlds thinnest material
2. Metamaterials could reduce friction in nanomachines
3. Water droplets direct self-assembly process in thin-film materials
4. £4.9 million to develop metamaterials for invisibility cloaks and perfect lenses
5. LANL Roadrunner simulates nanoscale material failure
6. New material could boost data storage, save energy
7. Tiny test tube experiment shows reaction of melting materials at the nano scale
8. Zeus: Dedicated to Advancing Biomaterial Technology with Enhanced Capabilities
9. EPA announces research strategy to study nanomaterials
10. Reportlinker Adds Nanoporous Materials Report
11. Researchers design new graphene-based, nanomaterial with magnetic properties
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/22/2017)... ... September 22, 2017 , ... ... host a booth at premier packaging event PACK EXPO International in Las Vegas ... Machinery Manufacturers Institute (PMMI). , At this year’s PACK EXPO at the Last ...
(Date:9/21/2017)... ... 21, 2017 , ... Dr. Greg Leyer, Chief Scientific Officer of UAS Labs, ... presentation is at 12:10pm in the Probiotics Resource Center, Mandalay Bay Expo Hall. ... discuss how probiotics have shown impressive data in areas outside the gut including heart ...
(Date:9/21/2017)... ... September 21, 2017 , ... When a downtown Greenville portion ... swift and efficient thanks to the continuing efforts of members of the Reedy ... than 50 stakeholders, including officials from area counties and cities, Renewable Water Resources ...
(Date:9/20/2017)... ... 20, 2017 , ... Diversity focused business accelerator, The Refinery , announced ... to uncover the top technology-driven, women-led startups in Boston, MA, New Haven/Hamden, CT, and ... entrepreneurial events going on that week – in Boston, it will be part of ...
Breaking Biology Technology:
(Date:6/14/2017)... , June 15, 2017  IBM (NYSE: IBM ) ... international tech event dedicated to developing collaboration between startups and ... on June 15-17. During the event, nine startups will showcase ... value in various industries. France ... the international market, with a 30 percent increase in the ...
(Date:5/6/2017)... 2017 RAM Group , Singaporean ... breakthrough in biometric authentication based on a ... to perform biometric authentication. These new sensors are based ... by Ram Group and its partners. This sensor will ... chains and security. Ram Group is a next ...
(Date:4/17/2017)... NXT-ID, Inc. (NASDAQ: NXTD ) ("NXT-ID" ... its 2016 Annual Report on Form 10-K on Thursday April 13, ... ... the Investor Relations section of the Company,s website at http://www.nxt-id.com ... http://www.sec.gov . 2016 Year Highlights: ...
Breaking Biology News(10 mins):