News tagged with catalytic converter
Synthetic nano-waste does not disappear
(Phys.org) -- Tiny particles of cerium oxide do not burn or change in the heat of a waste incineration plant. They remain intact on combustion residues or in the incineration system, as a new study by Swiss ...
Nanotechnology / Bio & Medicine
May 25, 2012 |
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Processes at the surface of catalysts: Oxygen defects act as active centers
In chemical industry, heterogeneous catalysis is of crucial importance to the manufacture of basic or fine chemicals, in catalytic converters of exhaust gas, or for the chemical storage of solar energy. Scientists ...
Apr 10, 2012 |
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Breakthrough in designing cheaper, more efficient catalysts for fuel cells
University of California, Berkeley, chemists are reimagining catalysts in ways that could have a profound impact on the chemical industry as well as on the growing market for hydrogen fuel cell vehicles.
Feb 23, 2012 |
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Fool's gold may prove an unlikely alternative to overexploited catalytic materials
Catalytic materials, which lower the energy barriers for chemical reactions, are used in everything from the commercial production of chemicals to catalytic converters in car engines. However, with current catalytic materials ...
Feb 10, 2012 |
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No future without scarce metals
It is not just in laptop computers, mobile telephones and LED screens that scarce metals are to be found but also in solar cells, batteries for mobile technologies and many other similar applications. The ...
Jan 31, 2012 |
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Clean soot particle filters
The soot particle filters found on diesel vehicles are designed to ensure that no harmful particles make their way through the exhaust pipe. Often, though, the exhaust from newer-model engines is not hot enough ...
Oct 05, 2011 |
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University of Virginia researchers uncover new catalysis site
Mention catalyst and most people will think of the catalytic converter, an emissions control device in the exhaust system of automobiles that reduces pollution.
Aug 05, 2011 |
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A new catalyst for ethanol made from biomass
Researchers in the Pacific Northwest have developed a new catalyst material that could replace chemicals currently derived from petroleum and be the basis for more environmentally friendly products including ...
Nanotechnology / Nanomaterials
Aug 01, 2011 |
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2D beats 3D: Ceria in platelet form stores more oxygen than nanocrystalline form
(PhysOrg.com) -- Three dimensions are not necessarily better than two. Not where ceria is concerned, in any case. Ceria is an important catalyst. Because of its outstanding ability to store oxygen and release ...
Apr 27, 2011 |
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Japan nano-tech team creates palladium-like alloy: report
Japanese researchers have created an alloy with properties similar to palladium, a precious metal used in many high-tech goods, a news report said Thursday, dubbing the breakthrough "present-day alchemy".
Nanotechnology / Nanomaterials
Dec 30, 2010 |
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Technology uses auto exhaust heat to create electricity, boost mileage
(PhysOrg.com) -- Researchers are creating a system that harvests heat from an engine's exhaust to generate electricity, reducing a car's fuel consumption.
Technology / Energy & Green Tech
Nov 23, 2010 |
3.9 / 5 (7) |
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Nanotechnology promises better catalytic converter
(PhysOrg.com) -- Control over material properties would reduce the amount of platinum needed.
Nanotechnology / Nanomaterials
Sep 27, 2010 |
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A laser shines light on the catalytic converter
(PhysOrg.com) -- Catalytic converters are encountered everywhere in our cars and in the chemical industry. However, the chemical reaction is not well understood. A discovery made at the EPFL may help to shed light on a field ...
Aug 03, 2010 |
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For platinum catalysts, smaller may be better
When it comes to metal catalysts, the platinum standard is, well, platinum! However, at about $2,000 an ounce, platinum is more expensive than gold. The high cost of the raw material presents major challenges ...
Nanotechnology / Nanomaterials
Jun 28, 2010 |
4.2 / 5 (5) |
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Nano-infused filters prove effective: Scientists build better catalyst with nanotube membranes
(PhysOrg.com) -- Rice University researchers and their colleagues in Finland and Hungary have found a way to make carbon nanotube membranes that could find wide application as extra-fine air filters and as ...
Nanotechnology / Nanomaterials
Apr 26, 2010 |
4.9 / 5 (7) |
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