Navigation Links
New filtering technology has environmental, industrial applications
Date:11/18/2008

oil," Youngblood said.

Such filters also might be used in other cleanup applications, such as removing oil from a ship's bilge water or cleaning wastewater contaminated with oil.

The technology might be used in a water-purification technology called reverse osmosis, which now requires a "pre-filter" to remove oil. This "oil coalescence filter" is needed to prevent oil from reaching the reverse osmosis membrane, which is ruined by oil. These conventional oil coalescence filters, however, must be replaced regularly. As water flows through the system, oil sticks to the filters, eventually rendering them ineffective.

The new technology, however, would not need to be replaced as frequently because oil does not stick to the filtration material. Instead, the oil droplets could be skimmed off through a commonly used industry technique called cross-flow filtration.

"When the oil-in-water dispersion contacts the filter surface, the oil coalesces to form big droplets. If the mixture is poured onto the filter, the oil forms on top of the material like a layer of cream," Youngblood said.

When a fluid lands on the surface of the material, it forms beads having a distinctive curvature determined by the "contact angle" of the substance. The higher the contact angle, the more a material is likely to form beads. Lowering the contact angle enough prevents substances from beading.

"This material maximizes oil's contact angle while minimizing water's contact angle, allowing water to flow through a filter while holding back the beaded oil," Youngblood said.

A key advantage of the new approach over some conventional methods is that it separates oil from water without using "nanoporous" filters. Filters containing extremely small pores require the water to be pushed through at high pressure, which consumes energy.

"One big problem is that if you are forcing stuff through very small pores it takes a lot of pressure," Y
'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. High blood pressure takes big toll on small filtering units of the kidney
2. Increasing nitrogen pollution overwhelms filtering capability of streams
3. NIST, NCI bring web 2.0 tools to nanotechnology standards effort
4. e-Smart Technologies to Introduce Next Generation I AM Smart Card Technology at Cartes 2008 in Paris
5. Cost-effective farm waste-to-energy technology focus of research
6. Nanotechnology boosts war on superbugs
7. Europe rallies behind nanotechnology to wean world from fossil fuels
8. Human Microbiome Project awards funds for technology development, data analysis and ethical research
9. Genetic Engineering & Biotechnology News reports on growing role of molecular diagnostics
10. So-called sandfish could help materials handling and process technology specialists
11. Breakthrough optical technology to assess colon cancer risk, accuracy
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New filtering technology has environmental, industrial applications
(Date:10/14/2014)... Ohio (Oct. 14, 2014)—It,s been millions of years since ... a team led by Ohio University scientists is breathing ... model airflow through dinosaur snouts. The research has important ... only breathe but to enhance the sense of smell ... ,nosy, animals," said Ohio University doctoral student Jason Bourke, ...
(Date:10/14/2014)... kind of stem cell that can become either a liver ... to a study published today in the journal Stem ... contradicts current theory on how organs arise from cell layers ... and future treatment for, liver cancer., Thanks to stem cells, ... made up of more than 200 cell types. The original, ...
(Date:10/14/2014)... team of scientists led by researchers at the ... University of Miami Miller School of Medicine (UMMSM) ... pathway underlying bipolar (manic depressive) disorder, a breakthrough ... bipolar affective disorder, as well as depression and ... published online this week in Nature Molecular ...
Breaking Biology News(10 mins):Dinosaur breathing study shows that noses enhanced smelling and cooled brain 2Dinosaur breathing study shows that noses enhanced smelling and cooled brain 3Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 2Stem cell discovery challenges dogma on how fetus develops; holds insights for liver cancer and reg 3Rare genetic disease protects against bipolar disorder 2Rare genetic disease protects against bipolar disorder 3
... known PSA blood test for prostate cancer in men may ... breast cancer, the most common form of cancer in women ... ACS journal Analytical Chemistry . Chien Chou and ... test also is a potential biomarker of breast cancer in ...
... is available in German and Spanish . ... Chile pose a higher threat to its neighbour, Argentina, than ... of Concepcin in Chile and the Helmholtz Centre for Environmental ... particular, 22 non-native species which occur in Chile on connecting ...
... has shown that light is the key to getting our ... exploring the resynchronisation mechanism in insects has discovered a molecule ... University of London looked at the impact of light on ... flies. They identified a novel molecule, QUASIMODO (QSM), which was ...
Cached Biology News:Chile is more dangerous for Argentina than vice versa 2Chile is more dangerous for Argentina than vice versa 3Newly discovered molecule essential to resetting 'body clocks' 2
(Date:10/22/2014)... 2014 Involution Studios , a ... a new infographic, Understanding Ebola . The ... designed, easy to follow informative tool for anyone wanting ... symptoms and prevention. , "As the news has spread ... Ebola outbreak represents not only a healthcare crisis with ...
(Date:10/22/2014)... SC (PRWEB) October 22, 2014 ... of its cardiovascular pharmacogenetics menu, which enables healthcare ... outcomes. With PCLS’s evidence-based results, healthcare providers ... and optimize their therapy, while minimizing risks for ... the U.S., according to the FDA [1] more ...
(Date:10/22/2014)... Nuvilex, Inc. (OTCQB: NVLX) – According to ... are living with diabetes, with  that number expected to ... market for diabetes treatments is approximately $500 billion.  ... from pancreatic cancer.  Pancreatic cancer is the fourth most ... the United States , and according to ...
(Date:10/20/2014)... , Oct. 20, 2014 Mapp ... experimental ZMapp™ antibody therapeutic to fight the Ebola ... difficult and time-consuming the production of pharmaceuticals can ... research publisher said that while some may be ... this compound, those with industry knowledge are well ...
Breaking Biology Technology:Involution Studios' Ebola Infographic Provides Key Disease Information and Statistics at a Glance 2PCLS Announces Expansion of Cardiovascular Pharmacogenetic Testing Menu 2PCLS Announces Expansion of Cardiovascular Pharmacogenetic Testing Menu 3Nuvilex Brief Analyst Report: Thinking Outside the Box by BrokerBank Securities, Inc. 2Kalorama: ZMapp Highlights Need For Faster Biopharmaceutical Production 2Kalorama: ZMapp Highlights Need For Faster Biopharmaceutical Production 3
... The Wisconsin Alumni Research Foundation ( WARF ) and ... nutritional supplement manufacturer today with willful and deliberate patent ... , ,The French company, Arkopharma , and its ... the suit when they continued to sell certain products ...
... - The growing body of university research under development beyond ... grow at an even faster pace as the result of ... System presidents and the Wisconsin Alumni Research Foundation. ... for researchers at UW System schools. The focus, however, extends ...
... Lee Dreyfus made a few waves when he suggested ... blue-eyed Arabs of the Upper Midwest" by selling fresh ... many of his ideas, often delivered off-the-cuff to mask ... Dreyfus proposal simultaneously stirred the imagination and set off ...
Cached Biology Technology:WARF sues French company over patent violation 2WiSys to distribute $1 million in research funds 2WiSys to distribute $1 million in research funds 3WiSys to distribute $1 million in research funds 4Fresh water could be a deep economic wellspring for Wisconsin 2Fresh water could be a deep economic wellspring for Wisconsin 3
Canine Serum...
NORMAL DONOR DONKEY SERUM...
Homo sapiens toll interacting protein Antigen: Recombinant Protein...
Mouse monoclonal [PRMT5-21] to PRMT5 ( Abpromise for all tested applications). entrezGeneID: 10419 SwissProtID: O14744...
Biology Products: