Sentences with phrase «produced hydrogen gas»

Researchers at Virginia Tech, Oak Ridge National Laboratory (ORNL), and the University of Georgia have produced hydrogen gas in a spontaneous, «one - pot» process using an enzyme cocktail, cellulosic materials from non-food sources,... Read more →

For the first time, researchers have sustainably produced hydrogen gas, a potential source of clean energy, using only water and bacteria.

After an hour, the reaction had produced hydrogen gas in addition to silanols.

Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.

From this vast collection of genes, Venter hopes to build microbes that can produce hydrogen gas or be an efficient source of solar energy.

Although the catalyst does produce oxygen from water, it does not produce hydrogen gas (H2) that can be burnt in a fuel cell.

These charges can then split water molecules to produce hydrogen gas.

The crop is used to produce hydrogen gas which in turn is used in the refining process for crude oil.

This graphic illustrates how Cassini scientists think water interacts with rock at the bottom of the ocean of Saturn's icy moon Enceladus, producing hydrogen gas.

The analysis of the genome is providing insights into the metabolism of this organism that should aid those trying to develop this and similar species into systems to produce hydrogen gas biologically from water.

Scientists on NASA's Cassini mission conjecture that this is how water interacts with rock at the bottom of the ocean of Saturn's icy moon Enceladus, producing hydrogen gas (H2).

Not exact matches

But that's not all — the organization has also produced great videos on topics like fracking, in situ oil sands production, liquefied natural gas, and hydrogen.

If the book said that a gas that «popped» was hydrogen, and we produced a gas that «popped», that was conclusive to me.

Hydrogen, which can be produced from natural gas through Steam Methane Reforming - at which point the carbon needs to be captured - is the ultimate green gas: it emits no carbon when combusted.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Cars running on hydrogen fuel cells produce zero emissions, but currently, factories must use fossil fuels, such as natural gas, or precious metals, such as platinum, to...

In the presence of seawater these rocks produce the greenhouse gas methane, hydrogen and heat, among other things.

Hydrogen gas is a promising alternative energy source to overcome our reliance on carbon - based fuels, and has the benefit of producing only water when it is reacted with oxygen.

While the foil rolls through the first tube, it heats up to a certain ideal temperature, at which point it is ready to roll through the second tube, where the scientists pump in a specified ratio of methane and hydrogen gas, which are deposited onto the heated foil to produce graphene.

At present, industrial hydrogen is produced from natural gas using a process that consumes a great deal of energy while also releasing carbon into the atmosphere, thus contributing to global carbon emissions.

Stanford University scientists have invented a low - cost water splitter that uses a single catalyst to produce both hydrogen and oxygen gas 24 hours a day, seven days a week.

There's also currently no cost - effective way to capture the carbon dioxide produced in making hydrogen from natural gas on site at a fueling station, which would undermine any climate benefits.

The FutureGen coal - fired power plant would not only have captured greenhouse gas emissions, it also would have produced hydrogen

The hydrogen would be stored for use overnight to superheat water and run the steam turbines, or it could be used for other applications, producing zero greenhouse - gas emissions.

The group found that although fuel - cell vehicles would produce zero greenhouse - gas emissions during use, the extraction and refinement of hydrogen fuel would release three to five times as much carbon into the air as is released in procuring and refining gasoline and diesel.

«Although theoretically ideal for energy transfer or storage, metallic hydrogen is extremely challenging to produce experimentally,» said Ho - kwang «Dave» Mao, who led a team of physicists in researching the effect of the noble gas argon on pressurized hydrogen.

Fuel cells are far greener than gas - powered engines because they produce electricity without burning up the hydrogen (or other fuel) that powers them.

The water - gas shift reaction, in which carbon monoxide is removed from the fuel gas stream by reacting with water to produce carbon dioxide and hydrogen, is a key step in the process.

Hydrogen gas is produced primarily by heating natural gas and water vapor.

Natural gas blended with renewable hydrogen also produces less emissions than regular natural gas when used at a power plant or as a transport fuel.

First - generation stars, forged from pristine hydrogen and helium gas produced just minutes after the Big Bang, burst onto the scene about 13.4 billion years ago.

On a life - cycle basis, FCVs running on hydrogen derived from steam - reforming natural gas — currently the most affordable way of making hydrogen — produce less than half the greenhouse gas emissions of a gasoline - powered car.

The University of California, Davis, estimates that the cost per gram of hydrogen produced from the electrolysis of water will remain more expensive than hydrogen produced from natural gas with carbon capture and sequestration well through the end of the decade.

Hydrogen gas is considered a possible future source of energy and can be produced from water using platinum catalysts and electricity.

Hydrogen gas produced by reactions in the repository could build up pressure that leads to radioactive gases escaping through fractures in the rock.

Hydrogen fuel itself can be developed relatively cheaply from natural gas, or produced from renewable sources of biogas or directly from water through electrolysis.

Units 1 and 3 have experienced explosions that destroyed exterior walls, apparently from buildups of hydrogen gas produced by the zirconium in the fuel rods reacting with coolant water at extremely high temperatures — but the interior containment vessels there thus far seem to be intact.

These orally produced sulfur gases — with names like hydrogen sulfide, methylmercaptan, and dimethyl sulfide — plus some other miscellaneous by - products of bacterial metabolism, account for 90 percent of bad breath that can't be traced to an outside cause.

When the hydrogen peroxide washes over flecks of platinum embedded within the octobot, the resulting chemical reaction produces gas that inflates and flexes the robot's arms.

As bacteria fed on the creatures that rained from above, they produced toxic gases — methane, carbon dioxide, and hydrogen sulfide — that in turn bubbled up to poison the birds and insects flying overhead.

Although the equipment needed to produce the hydrogen is expensive, the device needs no external source of energy — and therefore no greenhouse gases are generated during the process.

New research in mice shows that the bacteria that cause ulcers establish colonies in stomachs using hydrogen gas produced farther along in the gut.

Chandler said the work could provide a way to produce clean hydrogen from petroleum and natural gas.

«This was a complete surprise because hydrogen is produced through fermentation, so we naturally expected more fibre would equal more of this fermentation gas.

Like Nocera's original device, Gamelin's technology is also only able to produce oxygen gas and hydrogen ions.

But combining the hydrogen with CO2 to produce methane is a safer option than using hydrogen directly as an energy source and allows the use of existing natural gas infrastructure.

It's possible to produce hydrogen to power fuel cells by extracting the gas from seawater, but the electricity required to do it makes the process costly.

The catalyst the researchers have developed effectively drives the process of combining CO2 with hydrogen to produce methane (the main component of the fossil fuel natural gas) and water.

And in the 1980s scientists trying to make new chemicals produced the molecule argonium (36ArH +), a strange compound not normally found on Earth that combines hydrogen with the generally inert gas argon.

Collisions between the particles and molecules in Earth's atmosphere produced nitrous oxide, a planet - warming greenhouse gas, and hydrogen cyanide, a crucial component for building DNA, the researchers propose May 23 in Nature Geoscience.