"coal" in inglés with examples - Collocation dictionary inglés
- As coal contains mainly carbon, the conversion of dead vegetation into coal is called carbonization.
- Although coal contains only small concentrations of mercury, it is burnt in very large volumes.
- Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel.
- Since coal and petroleum often contain sulphur compounds, their combustion generates sulfur dioxide.
- Some coal contains type II kerogen.
- Because the wood is not yet completely transformed into coal, brown coal contains less energy than bituminous coal.
- The coal of the Pavlovsky, Skotovsky, and Bikinsky deposits contains germanium and non-ferrous metals.
- Unfortunately, coal often contains other chemicals.
- Low-rank coals often contain a higher level of moisture content which contains a lower energy content per tonne.
- Methane is a relatively pure compound whereas coal contains a significant amount of incombustible ash.
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