79 results about "Coal water" patented technology

Coal water slurry refers to the new coal-based fuel which appears in the 70s. It combines 65% coal, 34% water and 1% chemical additives. After certain technological processing, the coal water slurry is with the following advantages: low ash and sulfur; lower temperatures of the combustion flame center; high combustion efficiency; low discharge of ash, SO₂ and NOₓ comparing with fuel and coal. For the long-term consideration of energy strategy, most countries start the research, development and storage of coal water slurry and even achieve the commercial use.