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Brown Coal

Brown Coal

The Allure of Gigantic Excavators

A young girl stands inside the enormous bucket of “Big Muskie”, the world’s largest dragline excavator. Photo: Charles Barilleaux/Flickr  Near McConnelsville, Ohio, just off State Route 78, is the Miners’ Memorial Park dedicated to the coal mining industry of southeastern Ohio that dominated the economy of this part of America…
bubmag
April 29, 2020
Brown Coal

Pore structure and its impact on susceptibility to coal spontaneous combustion based on multiscale and multifractal analysis

AbstractThe relationship between the properties of coal and its tendency to spontaneous combustion is critical for the environment, safety concerns, and economy. In this study, to eliminate the complex influence of moisture; the samples having similar moisture content were selected from Shanxi and Henan provinces. The chemical properties, physical properties,…
bubmag
April 28, 2020
Brown Coal

In Global Electricity Slump, Coal Is the Big Loser

(Bloomberg) -- As silent factories and deserted offices hobble demand for electricity worldwide, the biggest loser is coal.In the U.S., coal’s share of power generation has dropped more than 5 percentage points since February on the nation’s biggest grid while output from natural gas plants and wind farms held steady. In…
bubmag
April 27, 2020