Engineering & Mining Journal

JUL 2019

Engineering and Mining Journal - Whether the market is copper, gold, nickel, iron ore, lead/zinc, PGM, diamonds or other commodities, E&MJ takes the lead in projecting trends, following development and reporting on the most efficient operating pr

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JULY 2019 • E&MJ 1 www.e-mj.com JULY 2019 • VOL 220 • NUMBER 7 FEATURES Oil Sands Operators Weather the Perfect Storm A production limit mandated by the Albertan government is just one of the difficulties facing oil sands producers this year ...................................... 20 Supplying the Rapid-development Mine Shotcrete solutions suppliers are racing to develop safer and smarter solutions and services for the continuous ops of tomorrow ............................ 26 Finessing the Flow Pumps can be too big or too small for the job, pipes can wear out quicker than expected, and valves might not stand up to tough applications. Take advantage of the tools, products and technologies that can help avoid most of these problems. ....................................................................... 30 FLSmidth Demonstrates Fast-filter EcoTails Concept A jumbo-size pressure filter with 5 x 3-m plate dimensions makes a strong argument that bigger is indeed better for high-volume tailings dewatering ... 34 Powering Industry 4.0 Digitalization is rapidly changing the face of electrical power systems, both above and below ground ....................................................................... 38 Where's the Value? Evaluating the costs for haul road construction and rebuilds ........................ 44 LEADING DEVELOPMENTS Barrick Gold, Newmont GoldCorp Finalize Nevada Gold Mines JV ......................4 Rio Tinto Completes Rollout of AutoHaul Rail Program ......................................4 Pala Will Buy Cobalt 27, Create Nickel 28 .........................................................5 Major Mining Companies Release TSF Management Plans ...............................5 AROUND THE WORLD U.S. & Canada: Hecla Shuts Hollister Down ......................................................6 Latin America: First Copper Concentrate Ships From Cobre Panama ............ 12 Australia/Oceania: Grasberg Achieves Underground Mining Milestones ........ 13 Africa: West African Resources Building Sanbrado Mine in Burkina Faso ...... 14 Asia: WMI Signs Rare Earth Deal With Zetai ................................................... 15 Exploration Roundup: Lucapa Exploring for Source of Lulo Alluvial Diamonds ... 16 This month, E&MJ offers tips for haul road management. On the cover, a haul truck travels a well-maintained haul road to the dump point at the Chuquicamata mine in Chile. (Photo: Codelco) DEPARTMENTS Calendar ...................................................... 18 Classifi ed Advertisements ............................ 62 Equipment Gallery ........................................ 58 From the Editor................................................2 Markets ........................................................ 64 Operating Strategies .................................... 48 People .......................................................... 10 Processing Solutions .................................... 56 Suppliers Report........................................... 52 This Month in Coal ....................................... 17 Oil Sands....20 Shotcrete....26 Electrical Power Systems....38

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