Category: Operating Ideas

The Impact of Tax Reform on the Mining Industry

by john myrick The tax reform act signed at the end of 2017 made substantial changes to the tax code, and those changes will have an important — and generally positive — impact on the mining industry. The act is commonly...

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Detecting Leaks in Aboveground HDPE Pipes

by mathew cook No matter the mining and processing operation, waste disposal will always be a significant aspect of the operation. The tailings byproduct of mineral or coal processing is part and parcel of the refinement...

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Controlling Compressor Vibration and Surge

Controlling vibration and surge is one of the most critical aspects of keeping centrifugal and reciprocating compressors up and running. If improperly monitored and maintained, these types of compressors can experience frequent...

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Operating Ideas – December 2017

Performance Improvements for Continuous Miners For underground coal operators, the continuous miner is an indispensable piece of equipment. Room-and-pillar mines rely on them for production and longwalls depend on them for...

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Operating Ideas – October/November 2017

Modeling Solves Coal Flow Problems The James H. Miller Jr. plant in Alabama is one of the top 10 largest coal-fired power plants in the United States, responsible for 46% of the power generation in Alabama. The plant converted...

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Operating Ideas – September 2017

Connecting the Connected Mine How do you connect operations that cover vast stretches of land in some of the world’s most rugged and remote locations? That’s the question many mining companies are asking today as they look to...

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Operating Ideas – July-August 2017

A Better and Safer Way to Clean Coal Ash Silos MPW Industrial Services borrowed concepts from the oil field, window-washing and confined space rescue trades to develop a better and safer way to clean coal ash silos, which...

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Operating Ideas – June 2017

Dewatering Considerations for ExplosionProof Submersible Slurry Pumps Explosion prevention is a primary safety concern for many industries that depend on electrically driven pumps. In the case of chemical plants, refineries and...

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Operating Ideas – May 2017

Off line Filtration Can Cut Oil Consumption and Reduce Maintenance It’s difficult to name any type of primary mine production and comminution equipment that doesn’t require lubrication in some form. Trucks, shovels, crushers,...

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Breaking Boulders


Stemming is widely used to ensure that a loaded borehole achieves optimum blast results, but the practice can leave large boulders unbroken in the upper layer of burden. The authors explore several proven methods for boulder-busting using explosives.

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Top 10 Coal Producing States

Week Ending 6/30/2018
(in Thousand Short Tons)
  YTD '18 YTD '17 % Change
Wyoming 151,494 152,535 -0.7
West Virgina 47,004 46,964 0.1
Illinois 24,714 25,536 -3.2
Pennsylvania 24,248 25,238 -3.9
Kentucky 21,031 22,812 -7.8
Montana 16,275 15,043 8.2
Texas 15,614 17,144 -8.9
Indiana 15,411 16,013 -3.8
North Dakota 13,281 13,818 -3.9
Colorado 8,330 8,155 2.1
U.S. Total 375,372 384,115 -2.3

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