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What is clean coal - or green coal?

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Burning of coal, a fossil fuel is one of the principal causes of climate change and global warming.

"Clean coal" or "Green coal" is a theory that we can capture all the pollutants including sulphur dioxide and carbon dioxide from coal as it is burnt and store them, instead of releasing them as greenhouse gases.

The carbon dioxide will then be pumped underground into vacant spaces where oil and natural gas used to be. This will be known as "carbon sequestration".

Countries that rely on coal for their economies and electricity generation (Australia, for one) are hoping that clean coal will let them continue using and exporting "clean" coal without the carbon pollution attached.

Unfortunately there are no examples of successful coal "cleaning" so far.

Many environmentalists believe that the term clean coal is misleading: "There is no such thing as 'clean coal' and there never will be. It's an oxymoron" (Sierra Club director, Dan Becker).

Complaints are:
  • Coal mining has a high environmental impact
  • Carbon Sequestration costs will be extremely high
  • There is no sure science on how to capture or store the pollutants.
A: Clean coal is essentially a lie made up by politicians to fool voters into believing the government is acting on the energy crisis. In the real coal industry, "clean coal" has been implemented in 6% of coal-power stations, and is now no longer being used in any stations. The chemistry behind clean coal produces highly toxic chemicals as a by-product, and hence cannot be used to fix the energy crisis. It certainly isn't good for the environment.

As an example of the difficulties involved, Australia's coal-fired power stations produce 260 trillion liters of carbon dioxide every day (260,000,000,000 liters). The energy required to compress and sequester this would use massive amounts of the power generated by the "cleaned" coal.
Clean coal is a term for technology (Clean coal technology) that mitigates emissions of carbon dioxide (CO2) and other greenhouse gasses that arise from the burning of coal for electrical power. It reduces the harmful emissions caused by the burning of fossil fuels.
  • coal that is burned with technology that cuts the amount of soot and sulfur dioxide emitted
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Where is Clean Coal used?

There is no such thing as "clean coal". People who talk about it, such as in TV commercials, are just trying to fool you with a lot of nonsense. Burning coal always produces

What are clean coal technologies designed to do?

Clean coal technologies are designed to stop the emissions of Carbon Dioxide into the atmosphere. CO2 is captured and stored safely away for millions of years. Governments a

Is clean coal good?

There is no such thing as "clean coal". People who talk about it, such as in TV commercials, are just trying to fool you with a lot of nonsense. Burning coal always produces c

Does coal burn clean?

THERE IS NO SUCH THING AS CLEAN COAL, and people who say that there is are just trying to fool you. Burning coal always releases carbon dioxide, nitrogen oxides, sulfur oxides

What do you do with coal?

I do nothing with coal. Others burn it to release the contained energy through the process of combustion. The result of combustion is heat. The heat is then most often used to

Is clean coal an economical issue?

Yes, fossil fuels are hard because it's prices are increasing doubt if it clean or not because its popular uses and it's running out
In Science

Is clean coal a political issue?

Yes, it is a weapon of economic/environmental warfare, used by the wealthy upon the powerless, who are nonetheless, addicted to the electricity which the burning of coal provi
In Biology

What are the effects of clean coal on the environment?

Dirty coal releases particulates into the upper atmosphere which in the short term tend to reduce the rate of global warming. The long term build up of CO2, however, has an in
In Science

How does clean coal benefit the environment?

'Clean coal' is a hope that one day we will be able to trap and safely dispose of the carbon dioxide emissions from burning coal. So far this has not been done successfully or
In Science

How can clean coal technology be done?

-crushing the coal into small chunks and washing out the sulfur dioxide. -burn the coal, reducing the NOx. this is called 'staged combustion'. -using a 'fluidized bed boiler