Coal Age

MAY 2018

Coal Age Magazine - For more than 100 years, Coal Age has been the magazine that readers can trust for guidance and insight on this important industry.

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MAY 2018 VOL. 123 NO. 4 May 2018 1 feature articles 20 Innovations in Dust Control for Room-and-Pillar Mining Canopy air curtains show promise for improving respirable dust control 24 Design Build Contracts Consolidate Efforts, Tap Optimum Expertise Single-source mine infrastructure construction project management solution nixes the need for negotiating multiple contracts and juggling independent contractors 28 Virginia Carbonite Commissions Coal Conversion Plant CTC's mild gasification process converts coal cleanly into value-added carbon products 34 Can Diesels Meet the Challenges of Alternative Power Technologies? Engine builders believe big diesels will be a vital part of off-road power solutions for the foreseeable future, but they're not ignoring the appeal of battery-electric and hybrid options 38 Mine Worker Fatigue and Circadian Rhythms How biological clocks respond to light and darkness coal in the news 4 Warrior Met Opens New Mine No. 7 North Portal 4 US Judge Blocks Oakland Port's Ban on Coal Shipments 5 Contura Energy, Alpha Natural Resources Re-Merge 6 Foresight Sees Higher Production in Q1 2018 7 Bailey Mine Posts Record Quarterly Production 8 American Resources Acquires More Mines, Equipment 12 Corsa Looks to Grow Met Coal Production 13 Hallador Boosts Full-year Coal Sales Forecast 16 AEP Ohio's Plan to Enhance Reliability, Build Smarter Grid 18 Carbon County Receives $600K for Cleanup, Redevelopment world news 5 Last Missing Polish Miner is Found Dead 5 Adani Power to Shift Away From Imported Coal 5 China to Cut Coal Production 6 Proposed Sanctions Impact Kazahk Coal 8 Ukraine's Metinvest Refinances Debt departments 2 Editorial 4 News 5 World News 14 Awards 18 Calendar 40 Operating Ideas 42 Suppliers News 44 Product News 46 Classifieds 48 Legally Speaking This month, Coal Age turns its attention to room-and-pillar mining and the canopy air curtains being used to protect miners from respirable dust underground. On the cover, an operators trams a continuous miner toward the face. (Photo: Caterpillar) this issue NEWS/ 4 CLEAN COAL CONVERSION/ 28 DIESEL ENGINES/ 34 PREP PLANT MAINTENANCE/ 24

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