Research at the University of Illinois at Chicago and the U.S. Department of Energy's Argonne National Laboratory, funded by the National Science Foundation and the U.S. Department of Energy, has resulted in a «potentially game - changing solar cell» that removes CO2 from the air and converts it directly
into hydrocarbon fuel.
The hydrogen can then be converted
into hydrocarbon fuels or simple hydrogen gas.
The CO can then be converted
into hydrocarbon fuels through an established industrial process.
Not exact matches
These
hydrocarbons, which are also burned for heating and cooking and blended
into vehicle
fuel, are extracted from the natural gas production stream or produced as a by - product of refined oil.
Selective hydrogenation is the key to producing valuable chemicals, for example, turning triple - bonded
hydrocarbons called alkynes selectively
into double - bonded alkenes — starting materials for the synthesis of plastics,
fuels and other commercial products.
This energy can be converted when necessary
into heat and electricity by burning the hydrogen, in the same way
hydrocarbon fuels are used.
However, unlike the combustion of
hydrocarbon fuels — which emit greenhouse gases (carbon dioxide)
into the atmosphere and pollute the environment — the product of hydrogen combustion is clean water.
This relates to the whole area of development for people talking about biofuels, which is this idea of trying to develop replacements for the conventional sorts of fossil
fuels that we have to at least — if we are going to be burning some sort of
hydrocarbons of some kind — to try to get them [so] that they are being derived from a different source, and potentially or ideally, ones that would actually burn without delivering as much carbon dioxide
into the atmosphere too; that's great if you can get that.
There are over 100 polycyclic aromatic
hydrocarbons (PAHs) found in oil, coal and tar, which are readily released
into the environment when fossil
fuels are burned.
The team also developed an additional process that uses another catalyst to convert the two phenol products
into high - octane
hydrocarbon fuel suitable for use as drop - in gasoline.
«And these
hydrocarbons can be converted
into fuels — gasoline, kerosene and diesel, for example, the same way that one converts petroleum
into these
fuels.»
«Proven one - step process to convert CO2 and water directly
into liquid
hydrocarbon fuel.»
A team of University of Texas at Arlington chemists and engineers have proven that concentrated light, heat and high pressures can drive the one - step conversion of carbon dioxide and water directly
into useable liquid
hydrocarbon fuels.
Various efforts are underway to find a cheap, efficient and scalable way to recycle the greenhouse gas carbon dioxide back
into the
hydrocarbons that
fuel civilization
Just as a typical oil refiner cracks petroleum
into a mixture of
hydrocarbons ranging from ethane to jet
fuel, Virent transforms sugars
into a
fuel that has a 102 octane rating.
Changing World Technologies» method of thermal depolymerization used intense heat and pressure to break waste materials
into desirable, short - chain
hydrocarbons (much like the Earth's super-slow, fossil
fuel - producing process).
Vertimass LLC, a California - based start - up company, has licensed an Oak Ridge National Laboratory technology that directly converts ethanol
into a
hydrocarbon blend - stock for use in transportation
fuels.
When the Ariane space rocket lifts off, it is
fuelled not just by
hydrocarbons and liquid oxygen but by the brainpower that goes
into numerous calculations, computer simulations, and test flights.
But chemical companies have also long had the technology to convert the primary
hydrocarbons in natural gas — methane, ethane, and propane —
into alcohols, the liquid starting materials for plastics,
fuels, and other commodities made by the train load.
Their ultimate goal is to find ways to use solar energy — either directly or via electricity generated by solar cells — to convert the end products of
hydrocarbon combustion, water and carbon dioxide, back
into a carbon - based
fuel.
The first step in such an electrolytic approach is splitting CO2, a tough, stable molecule,
into oxygen and carbon monoxide (CO), a slightly more energy - rich molecule that can form the basis for
hydrocarbon fuels like methanol.
Selective hydrogenation is the key to producing valuable chemicals, for example, turning triple - bonded
hydrocarbons called alkynes selectively
into double - bonded alkenes — starting materials for the synthesis of plastics,
fuels and other...
RICHLAND, Wash. — Researchers at Washington State University Tri-Cities have figured out a way to successfully convert a common wood byproduct
into hydrocarbon molecules that could be used as jet
fuel.
The
hydrocarbons evaporate from the
fuel and oxygen acts as an oxidation catalyst changing the remaining components
into other compounds leaving varnish in their wake.
Why not just put the nuclear power produced hydrogen
into fuel cell or H2 combusting engines and skip the
hydrocarbon synthesis step?
Fossil
fuels are made of
hydrocarbons; when they don't burn completely, they are released
into the air.
Nor does it apparently intend to directly, materially * reduce * the CO2 in the atmosphere (i.e. the reason for «creating» liquid
hydrocarbon fuels would primarily be for transportation, so burning them would re-release the CO2, uncaptured, back
into the atmosphere).
Just been looking up the sources for commercial CO2 and here is a short exerpt from google: «The most common operations from which commercially - produced carbon dioxide is recovered are industrial plants which produce hydrogen or ammonia from natural gas, coal, or other
hydrocarbon feedstock, and large - volume fermentation operations in which plant products are made
into ethanol for human consumption, automotive
fuel or industrial use.
The team at Air
Fuel Synthesis (AFS) has created a system for using renewable energy to power the capture of CO2 and water, which is then transformed
into liquid
hydrocarbon fuels that can be used directly in gasoline engines.
This technology would enable the conversion of conventional
hydrocarbons into highly - efficient hydrogen molecules underneath the hood for use in a
fuel cell that would emit only water vapor from the tailpipe.
However the reporter (who may or may not be the same as the El Nino episode) drove a
hydrocarbon fuelled car from the far flung but leafy outer suburbs at the crack of dawn to get
into the city CBD before rush hour.
The basic idea is very straightforward: place very large solar arrays
into continuously and intensely sunlit Earth orbit (1,366 watts / meter squared), collect gigawatts of electrical energy, electromagnetically beam it to Earth, and receive it on the surface for use either as base load power via direct connection to the existing electrical grid, conversion
into manufactured synthetic
hydrocarbon fuels, or as low ‐ intensity broadcast power beamed directly to consumers.»
UTA researchers demonstrate one - step solar process to convert CO2 and H2O directly
into renewable liquid
hydrocarbon fuels
Their findings, described in a paper published in the journal Applied Catalysis B: Environmental, showed that changing the currently existing catalysts used in the conversion could turn carbon dioxide
into liquid
hydrocarbon - based
fuel in one single step.
For instance, we have invested to develop an innovative, on - board hydrogen - powered
fuel cell system that converts conventional
hydrocarbon fuels such as gasoline or diesel
into hydrogen for a
fuel cell directly under a vehicle's hood.
Oils made from algae usually have to be refined
into fuel following a batch process, but helioculture produces
fuel directly — either ethanol or
hydrocarbons — that do not need refining.
That perception encourages us all to pay more than the
fuel should cost and puts enormous quantities of dollars
into the pockets of people who have no skills, talents or resources other than their influence over sources of
hydrocarbons.
Joule's solar technology is bypassing these challenges while converting a waste stream
into cost - competitive
hydrocarbon fuels, which will have far greater and faster impact than low - percentage blendstocks or transportation alternatives that require major infrastructure overhaul,» said William J. Sims, President and CEO of Joule.
To date, renewable
hydrocarbon - based
fuel substitutes have required the complex, multi-step conversion of algal or other agricultural biomass feedstocks
into fuel pre-cursors, and subsequent chemical upgrading.
Over 60 million tonnes of hydrogen are produced every year for a range of industrial purposes, including ammonia production, hydrocracking (breaking complex
hydrocarbons into lighter
fuels), and removing sulfur from fossil
fuels.
In short, carbon recycling takes carbon dioxide emissions and transforms them
into a liquid
hydrocarbon fuel source.
For example, direct air capture might prove especially well - suited to recycle carbon dioxide back
into the ordinary, familiar liquid
hydrocarbon fuels that power today's trucks, planes, and even cars.
Those shale gas cheerleaders also fail to take
into account the huge fossil
fuel subsidy their favoured hard to get at
hydrocarbon gets.