Sentences with phrase «time coal gasification»

At the same time coal gasification remains a relatively expensive process and is rather unproven on a larger scale.

Not exact matches

Current estimates, which I documented in the afore - mentioned article, put the cost of a biomass gasification plant at about 7 times the per barrel cost of a conventional oil refinery or grain ethanol plant, and double the costs of a coal - to - liquids plant.

Last month a New York Times investigation chronicled the spiralling costs, missed deadlines, technical issues and administrative chaos at Southern Company's coal gasification facility in Mississippi.

At the time EnCana Corporation (now Cenovus Energy) had started to flood the aging crude field with gallons of salt water and tonnes of CO2 piped from a North Dakota coal gasification plant nearly 320 miles away.