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March 2009

On this month's cover: With a payload capacity of 400 short t (363 t), the fleet of Liebherr T282B trucks move a large amount of material, helping to fulfi ll the ever increasing production requirements at the minesites. A key factor in the success of the Liebherr T282B truck is the low maintenance requirements. The AC drive system minimises downtime and ensures consistent operating performance.


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Contents

Guest Comment
Guest Comment

Coal News
Coal News

Chinese Change
The period between 1997 and 2007 was a period of rapid development for the Chinese coal industry. Jia Xinye, Information Centre at the China Coal Research Institute, Shanghai Branch, China, reviews the changes and provides some insight into how the industry might continue to develop.

Cool Operator
Jonathan Baucom, Liebherr Mining Equipment Co., US, discusses achieving high availability and productivity in the extreme mining conditions of Highvale Mine, Alberta, Canada.

A Maintenance Revolution
Harinder Hara and A. J. Bartkoske, Modular Mining Systems Inc., US, discuss real-time condition monitoring for mobile mine equipment.

Centaur Stage
Bill Law, Volvo Construction Equipment, Belgium, examines the possible future of articulated hauler design.

Next Generation Drilling
Thomas Kempka, Natalie Nakaten and Rafig Azzam, Department of Engineering Geology and Hydrogeology, RWTH Aachen University, Germany, and Ralph Schlüter, DMT GmbH & Co. KG, Germany, discuss the economics of underground coal gasification with combined CCS.

Commercial Gasification Technology
Dr Manfred Schingnitz and Christine Hummel, Siemens Fuel Gasification Technology GmbH & Co. KG, Germany, discuss fuel gasification technology for commercial coal-to-chemical

From 'Dirty' Coal to Clean Energy
Michiel Mak, Shell International B.V., the Netherlands, provides an overview of coal gasification technology in China.

Often Underrated
Tobias Korz, Loesche GmbH, Germany, considers coal preparation in gasification plants.

Heavy Machinery Review
World Coal reviews some recent news from heavy machinery manufacturers.


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