…safety of ultra-thick coal seams in 2009. Up until then, top coal caving was almost exclusively used for the extraction of ultra-thick seams. At the end of 2009, China successfully developed the 7-m two-leg shield (See Figure 2) and put them into…
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CONSOL Energy Commissions Water Treatment Plant with ZLW Process
…electricity. Measuring all these factors, the WIIX calculated that the water impact of the new treatment facility will be 1.3 billion gallons of high-quality water per year returned to the Monongahela River basin, validating a positive environmental impact by the water treatment…
What Does Impeding Really Mean? A Look at the New Cost of Getting in the Way of an Inspection
…act, an inspector can just “show up”— meaning that neither representative may be able to exercise that right until the inspection is well under way. In addition, representatives are prohibited from engaging in behavior that would be deemed either abusive or intimidating…
CONSOL Energy Commissions Water Treatment Plant with ZLW Process
…resources, quality and indirect impacts from chemicals and electricity, calculating the results of 1.3 billion gallons of high-quality water returned to the river basin annually, validating an environmental impact. Kirk Schwab, general manager of Veolia Water Solutions and Technologies, said, “It will…
Faster Roadway Development
…cutting radius because of the unique system where the cutting head and loading table move independently. The bolting rigs tilt 37˚ giving greater flexibility. The new arrangement allows the first row of bolts to be placed within 110 in. of the face….
It Isn’t Just Gas
…become significantly cheaper than the lowest cost natural gas plant.” “Could…” but for one problem: the full implementation of EPA’s finalized power sector regulations continues to tilt the playing field away from coal. Under this scenario, say the Duke University analysts, gas…
Wyoming Coal Strikes Historic Milestone
…has hurt the domestic market for coal. These facts starkly contrast beliefs of lawmakers like Mead. “The importance of this industry to the country cannot be overstated,” he said. Researchers at Wyoming’s State Geological Survey (WSGS), citing coal production records dating to…
India Relies on More Imports to Bridge the Gap
Overall coal production for 2012, meanwhile, stood at 557.5 million mt, Patil said, noting that general license coal may be imported at prevailing global prices through import duty payments. In 2012, India’s Planning Commission reported that coal imports would likely reach 185…
Longwall USA 2013 Looks at Safety and Technology
…Training Simulators, Pre-simulators, Computer Based Training (E-learning) and Visualizers. 5DT will showcase its SimCUBE simulator base system, a 360° high-resolution wrap-around display system that offers a realistic view of a virtual coal mine, while accommodating several trainees simultaneously. This versatile system can…
Wyoming Coal Strikes Historic Milestone
…production records dating to 1865, have determined the state, through its resources, has contributed 176 quadrillion Btus to the nation’s energy supply. “This is enough to power the entire nation’s electricity grids for more than eight years,” said Chris Carroll, a WSGS…
India’s Government Says Coal Imports May Last Through 2017
State Coal Minister Pratik Prakashbabu Patil told Hindi News a “gap” between domestic demand and production will outlast India’s 12th Five Year Plan beginning in 2012 during which New Delhi is seeking 9.6% economic growth and 10% poverty reduction. The latter will…
Coal Prep Celebrates 30 Years
…materials such as ceramic tile, spray applied urethane, cast urethane, super cements and UHMW plastic. Mobilization capability available nationwide. www.ssurethane.com Sabia Inc.—Booth 2601 Sabia specializes in materials analysis. The company is a trusted provider of integrated bulk material analyzers, associated software options,…
Exploring the Dimensions of Digital Solutions in Mine Mapping
…Russia, the Commonwealth of Independent States (CIS), Africa, Asia and Australasia, as well as most of North America and all of South and Central America. Trimble’s SurePoint technology constantly monitors pole tilt and prevents users from collecting erroneous information by only allowing…
Highlights from MINExpo 2012
…on many more subjects in-depth. Atlas Copco Introduces New Drilling Equipment Keeping its newest member of the Pit Viper family top secret until the show, Atlas Copco introduced the Pit Viper 311 wide-range rotary blasthole drill. It is similar to the Pit…
Let’s Move On, Try to Stay Positive
…first half of 2012 reached almost 67 million tons, surpassing most annual export volumes dating back to 1949. U.S. coal exports averaged 56 million tons per year (tpy) in the decade preceding 2011. If exports continue at the current pace, the U.S….
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