ZeroEm
1 MW
The US government was working on a Clean coal plant in South Carolina USA. 2 years ago I read the cost was triple the average for a KW. It seems to have disappeared. Now all Coal in the USA is clean and beautiful.
Wind and Solar vs Coal, Gasoline, Nuclear
- Thread starter Hillhater
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Hillhater
100 TW
That would no doubt be one of the futile attempts at CCS (CO2 sequestration)
A sadly missguided wast of time , effort, and funds, trying to find a solution to a non existant problem.
classicalgas
1 kW
- Joined
- May 14, 2016
- Messages
- 319
"Coal is not a poison"...tell that to a miner with black lung.
ZeroEm
1 MW
The latest problem with Coal is the best coal has been mined, what's left if mixed with everything, so the slurry ponds grow. The slurry ponds are like the used Uranium, they don't have a plan to deal with it.
Hillhater
100 TW
There are over a TRILLION tons of KNOWN , PROOVEN, coal reserves in the world, most of which is high quality Anthracite.
With current consumption at less than 9 billion tons/ year, its obvious that there are many years of quality coal supplies available
…..even ignoring the unquantified coal deposits known to exist.
List of countries by coal reserves - Wikipedia
Last edited:
classicalgas
1 kW
- Joined
- May 14, 2016
- Messages
- 319
Every ton of coal burned creates 2.6 tons of co2 (actually it releases co2 removed from the atmosphere by plants, as carbon, and locked away millions of years ago)There are over a TRILLION tons of KNOWN , PROOVEN, coal reserves in the world, most of which is high quality Anthracite.
With current consumption at less than 9 billion tons/ year, its obvious that there are many years of quality coal supplies available
…..even ignoring the unquantified coal deposits known to exist.
List of countries by coal reserves - Wikipedia
en.wikipedia.org
How can a ton of coal release that much co2 when burned?
"The answer is deceptively simple, Surendranath explains. Carbon dioxide is made of one carbon atom and two oxygen atoms. The carbon comes from the coal, but the oxygen comes from the air around it; during combustion, they react to create CO2. That oxygen’s extra mass is what allows one ton of fuel to produce more than a ton of CO2. Exactly how much CO2 a fuel emits depends on its molecular structure. Suppose, Surendranath says, that you could burn a perfect lump of coal made of 100 percent carbon. Each of its carbon atoms has an atomic weight of approximately 12, owing to its six protons and six neutrons. When the carbon combines with two oxygen atoms, each with an atomic weight of 16, a CO2 molecule with a weight of 44 is created. The math tells you that for every ton of pure carbon burned, about 3.66 tons of CO2 is created. In practice, though, coal is not that pure. “When you dig coal out of the ground,” Surendranath says, “the mass of that coal is not all carbon. It's got other stuff in it. It's got some minerals that aren't going to burn. It's got some nitrogens. It's got some oxygens already that are adding to the weight.” For this reason, 3.66 is just the theoretical maximum ratio. Coke, the closest to pure carbon of any version of coal used on a large scale, actually creates around 3.2 tons of CO2 per ton of fuel"
That's stupid, especially when PV energy is much cheaper.
In fact, it's insane to keep burning coal, those numbers don't include the energy burned in extracting, refining and transporting coal.
They also don't include any of the contaminants contained in the coal that are then expelled into the air during burning.
Chalo
100 TW
Or dumped out on the land and waterways.
gromike
10 kW
Burn, baby, burn.
