The use of pure coal was difficult because of the amount of liquid and solid by-products that were generated.
2.
During the Coke, a very pure coal-based fuel, was also made at Winterpock from 1865 to 1870 for use in Tredegar.
3.
The use of cofiring creates an energy that is not as high as pure coal, but emits fewer pollutants and cuts down on the release of previously sequestered carbon.
4.
For example, low speed marine or modular power plant diesels can operate on pure coal-water slurry fuel whereas medium speed diesels such as locomotive engines may need diesel 2 as a co-fuel which will act as an ignition source.
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