When coal burns, the chemical bonds holding its carbon atoms in place are broken, releasing energy.
The bed of coals was easily height adjustable; i.e.,
when the coals burn down, you could just raise them by turning a knob while fire is on.
Voosen's report ends with this quote from Barnes «Maybe
when coal burning triples,» he said, «then we might sort it out.»
Not exact matches
Let's not forget that
when Australia
burns or sells
coal it is contributing to this global problem as well.
When it comes to climate change, the fact that U.S.
coal will be
burned in Asia doesn't change its carbon footprint.
And while the passage does talk about heaping
burning coals on the heads of our enemies, the way to do this, according to Proverbs, is by giving them food
when they are hungry and water
when they are thirsty.
It sounds like a terrible thing to do, but
when studied in the cultural context, heaping
burning coals on someone's head was actually a way of blessing them.
When the
coals have
burned down to a medium heat, rub the fillets with olive oil and grill for four or five minutes per side, turning once.
They tended to
burn when the fat dripped on the
coals, producing flare - ups.
When the wood has
burned to
coals, spread them apart and place a metal drip pan, half - filled with water, in the center of the fire.
Prepare a charcoal grill and
when the
coals are medium hot, brush the onions with the oil and place over the
coals to roast, turning frequently so they don't
burn.
It was by far the most challenging cooking I have ever done, because the distance from the
coals was fixed, and I had to estimate
when the fire was the hottest so the meat would cook before the fire
burned out.
Environmental groups are concerned the new operators want to keep
burning coal,
when New York is so close to phasing out all of its
coal plants.
«We established the state's first carbon dioxide emissions standard
when siting new power plants which will ensure that no new dirty,
coal -
burning plants will be built in the State of New York, period,» Cuomo said.
When it is
burned, the
coal will produce 128 million tonnes of carbon per year, says the ACF.
Exxon Mobil also touted its status as the United States» No. 1 natural gas producer, noting that gas emits significantly less CO2 than
coal when burned to generate electricity.
Natural gas, which is mainly methane, may generate less carbon dioxide than oil and
coal when burned, but as recent research has found, there's more to greenhouse gas emissions than just combustion.
CO2 is formed
when any kind of organic material or fossil fuel, such as natural gas, petroleum,
coal or gasoline, is
burned.
When burned, gas produces about half of the carbon emissions of
coal.
What happens
when 900 million metric tons of
coal get
burned?
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.
Although natural gas generates less greenhouse gas than
coal when burned,
when its total life - cycle emissions associated with extraction and distribution are factored in, it does not seem much cleaner than
coal
When we
burn coal or oil to make electricity, for example, our society accepts the detrimental health effects and the environmental costs they entail.
But
when existing trees are
burned for bioenergy, bioenergy takes carbon that would otherwise be stored and puts it into the air, just like
burning coal or oil.
In essence, such technology catches the CO2 and other pollutants emitted
when coal or other fossil fuels are
burned.
When it
burns,
coal releases sulfate aerosol particulates into the atmosphere that reflect some of the sun's incoming energy back into space.
When coal is
burned in a power plant, operators make sure the fire gets plenty of oxygen so that it
burns hot enough to produce the most possible energy and the fewest by - products.
Most solutions involve pumping some combination of mud or fly ash combined with an inert gas or water, but the mixture does not always flow thoroughly enough to cover the
burning coal, and it can crack
when dried, allowing oxygen to get back in.
After some residents passed out from carbon monoxide inhalation and another fell into the earth in 1981,
when the ground suddenly collapsed — as the
coal burns away, the ground above it often subsides into the resulting cavity — Pennsylvania received $ 42 million from Congress to relocate Centralia's residents.
When burned, natural gas emits roughly half the carbon dioxide of
coal, making it a promising «bridge fuel» until cleaner renewable energy sources come online.
Mercury is a neurotoxin that settles into the ocean in large concentrations after we spew it out of industrial smokestacks
when burning fossil fuels like
coal and oil.
When burned for electricity, natural gas emits half the carbon dioxide that
coal does.
When those minerals are
burned in the presence of
coal, research found they easily and quickly converted to these unusual titanium suboxide nanoparticles.
The group later produced the titanium suboxide nanoparticles
when burning coal in a lab simulation.
Keeping in mind the enormous stake that panel members ExxonMobil and Shell have in the oil, natural gas and
coal industries, here is a look at the panel's take on why oil and
coal have been so difficult to replace by the following alternative energy sources: Natural gas ExxonMobil favors boosting the U.S.'s consumption of natural gas, in part, because it produces at least 50 percent less greenhouse gas per hour
when burned compared with
coal, Nazeer Bhore, ExxonMobil senior technology advisor, said during the panel.
When atmospheric scientist Christine Wiedinmyer first went to Ghana in 2011 to investigate air pollution produced by
burning different materials — from crop stubble to
coal used in stoves — she noticed an unexpected potential source:
burning piles of trash.
The topping cycle reduces the amount of pollution produced
when coal is
burnt and also narrows the gap in efficiency between
coal and gas - fired stations (Technology, 1 February 1992).
Natural gas is often touted as more sustainable than
coal and oil because it releases fewer pollutants
when it
burns.
More than 1 billion gallons of toxic sludge were released into a Tennessee community
when a dam collapsed last December, causing a massive
coal - ash spill at the Kingston Fossil Plant, a
coal -
burning power plant owned by the Tennessee Valley Authority.
Natural gas might still have an advantage over
coal when burned to create electricity, because gas - fired power plants tend to be newer and far more efficient than older facilities that provide the bulk of the country's
coal - fired generation.
They eventually linked the mysterious pollution to a nearby natural - gas field, and their investigation has now produced the first hard evidence that the cleanest -
burning fossil fuel might not be much better than
coal when it comes to climate change.
Plants produce VOCs
when they decay, but a major source comes from automobile exhaust,
coal burning, and other human activities.
The facility would have captured the greenhouse gas carbon dioxide (CO2) that is emitted
when coal is
burned for electricity generation.
Although mercury, a neurotoxin, occurs naturally in the environment, it is also released into the atmosphere
when humans
burn coal and other fossil fuels.
Natural gas produces less than half the carbon dioxide of
coal when burned.
It's must be truly frustrating to spend ones entire career determining what will happen if the world
burns 20 or 30 billion tonnes of
coal per year
when the economic evidence points to the world never
burning more then 7 or 8 billion tonnes per year.
The increase started around 1800,
when we started
burning fossil fuels (mostly
coal to start) in a big way at the start of the Industrial Revolution.
When carbon dioxide from the
burning of
coal, oil, and gas dissolves in the ocean, some of it becomes carbonic acid.
When the wood has
burned down to embers, place the chicken, skin side down, directly over the
coals.
There's a certain
coal that
burns white - hot in my gut
when comments like that are thrown around.