RALEIGH, NC (WBTV) - The North Carolina Department of Environmental Quality (DEQ) has approved the low-risk classification of seven coal ash impoundment facilities in the state. The NCDEQ determined ...

Longwall top coal caving technology is one of the main methods of thick coal seam mining in China, and the classification evaluation of top coal cavability in longwall top coal caving working face is ...

Core classification plays a critical role in oil and gas exploration and development. Accurate classification supports reservoir evaluation, well deployment, and the optimization of production ...

Utilizing engineering ingenuity and today’s developing computational fluid dynamics tools, a new classifier design is now available that significantly improves fineness from pulverizers without the ...

The state environmental deparment will hold a public meeting on March 22 to receive public comment on the draft proposed classification of Duke Energy’s Buck Plant. Governor McCrory has directed state ...