News tagged with heterogeneous catalysts
Novel approach uses ion-molecule collisions, deposition to create sought-after material
(PhysOrg.com) -- Once only possible with expensive liquids and large amounts of waste, scientists can now create an efficient, easy-to-separate catalyst with small amounts of material, thanks to an innovative ...
Mar 14, 2011 |
4 / 5 (1) |
0
A personality change for a catalyst
For more than 40 years, an ambition of catalysis science has been to persuade homogeneous catalysts to behave more like heterogeneous catalysts, while still maintaining their activity and exquisite selectivity. Professor ...
Mar 07, 2011 |
not rated yet |
0
Natural Oils Can Be Hydrogenated Without Making Unhealthy Trans Fats
(PhysOrg.com) -- To prolong the shelf life of foods, manufacturers often add hydrogen to natural oils, a process called hydrogenation. But hydrogenation also results in the production of trans fats, which have adverse health ...
Jan 23, 2009 |
3.4 / 5 (7) |
0
Search results for heterogeneous catalysts
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 |
5 / 5 (1) |
0
|
Rational design can improve hydrogen fuel cell efficiency
(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...
Feb 29, 2012 |
4.4 / 5 (12) |
0
|
Preparing a homogenous haystack
(PhysOrg.com) -- What if you could turn the whole haystack into needles? Instead of hunting for one item, you’d have 10 billion of the desired items laid out neatly in front of you. That’s what researchers ...
Nanotechnology / Nanomaterials
Nov 28, 2011 |
4 / 5 (1) |
0
|
Chiral metal surfaces may help to manufacture pharmaceuticals
(PhysOrg.com) -- Research provides insight into novel approach which could be used in pharmaceutical drug synthesis.
Oct 26, 2011 |
not rated yet |
0
|
Scientists create one-dimensional ferroelectric ice
(PhysOrg.com) -- Everyone knows that when water freezes, it forms ice. But a lesser known fact is that there is not one, but many different kinds of ice, depending on the way the ice crystals are arranged. ...
Feb 25, 2011 |
4.1 / 5 (17) |
14
|
Catalysis science of methanol oxidation over iron vanadate catalysts
Bulk mixed metal oxide compounds are employed as industrial oxidation catalysts for many reactions, but there is still debate in the heterogeneous catalysis literature about the nature of their catalytic active sites as well ...
Jan 12, 2011 |
5 / 5 (5) |
0
The generality of surface vanadium oxide phases in mixed oxide catalysts
In the spirit of the physicist's pursuit of a 'theory of everything,' Israel E. Wachs, the G. Whitney Snyder Professor of Chemical Engineering at Lehigh University, has published a paper entitled "The generality ...
Jan 05, 2011 |
5 / 5 (4) |
0
New dyes improve solar technologies for generating clean electricity and hydrogen fuel
(PhysOrg.com) -- Chemists at the University at Buffalo have synthesized a new class of photosensitizing dyes that greatly increase the efficiency of light-driven systems that produce two kinds of green energy: Solar electricity ...
Dec 29, 2010 |
4.6 / 5 (9) |
28
|
New possibilities for solar energy with molecular 'stencils'
Scientists at the U.S. Department of Energy’s Argonne National Laboratory have begun to use molecular "stencils" to pave the way to new materials that could potentially find their way into future generations ...
Nanotechnology / Nanomaterials
Nov 16, 2010 |
5 / 5 (7) |
0
|
Separating the Catalysts from the Chaff
When studying how specific catalysts drive reactions, scientists are often frustrated by the actions of unrelated molecules in the samples. Now, thanks to a device created by a team at Pacific Northwest National ...
Chemistry / Analytical Chemistry
Sep 09, 2010 |
not rated yet |
0
List of search results for heterogeneous catalysts
