of which about 300 treated of coal-tar, its origin, properties, distillation, fractionation, etc., while fewer than sixty pages were devoted to the subject of ammoniacal liquor, its treatment ...

Ever Since the establishment of gas Works it has been considered a matter of great impbftpnee to find some useful application fdr their waste products, principally the coal tar The old custom was ...

These colors, for there are many of them, have been prepared from the alkalies of coal tar by Messr3. W. Perkins and A. H. Church, two rising discoverers, and have been called by them nitroso ...

Like the kerogen in oil shale, tar sands' bitumen can be upgraded to synthetic crude oil. Because developing fossil fuels from these resources is different and more intensive than traditional energy ...

Opinions expressed by Forbes Contributors are their own. However, in global terms, the figures show that we still have a problem: explosive growth in China and India has led to the world doubling ...

The coal industry continues to be one of the world’s largest suppliers of energy. In the United States alone, about half a billion short tons of coal are converted to energy every year.

2-Year U.S. Treasury Note Continuous Contract $104.332 0.027 0.03% 5-Year U.S. Treasury Note Continuous Contract $110.320-0.086-0.08% 10-Year U.S. Treasury Note Continuous Contract $114.875-0.203 ...

Across the world, coal had been used as a source of heat for thousands of years. It produced more heat and was cleaner than burning wood. One important use of coal was the making of iron ...

The report urges making COVID-19 recovery a turning point, where countries should steer investments into changing course to avoid “locking in” dependence on polluting coal, oil and gas.

But the fresher part of tar,” he said, sniffing, unaware that he was standing on a brownfield, where, for a century, viscous coal tars had leeched into the soil beneath a former gas plant.

Britain’s approval of its first new deep coal mine in decades was unlawful, London’s High Court ruled on Friday following a legal challenge brought by environmental campaigners. Friends of ...