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The Ravensthorpe Nickel Mine is a nickel mine and hydrometallurgical processing plant located at Bandalup Hill, 35 km (22 mi) east of Ravensthorpe, Western Australia. Built by BHP Billiton, it was closed in January 2009, after less than a year of operation due to a collapse in the price of nickel.
Metal recovery is the final step in a hydrometallurgical process, in which metals suitable for sale as raw materials are produced. Sometimes, however, further refining is needed to produce ultra-high purity metals. The main types of metal recovery processes are electrolysis, gaseous reduction, and precipitation.
The Long Harbour Nickel Processing Plant was built on a partially brownfield site near the port of Long Harbour. The facility consists of a wharf for offloading nickel ore concentrate from bulk carriers, crushing and grinding facilities, a main processing plant approximately 2 km (1.2 mi) south of the port, a pipeline to supply process water ...
In November 2008 Newfoundland Minister of Natural Resources Kathy Dunderdale announced that construction should start in 2009 to build a $2.2B hydrometallurgical processing plant in Long Harbour on Newfoundland's south coast.
Soon after developing its Kambalda nickel deposit, the Western Mining Corporation, WMC, started looking into the possibility of producing refined nickel.The company decided to use the Sherritt Gordon hydrometallurgical ammonia-leach process for this purpose and selected Kwinana as the location for its new refinery, based on the availability of power and water supply, raw materials and the ...
In 2007, Sherritt acquired a 40% interest in the Ambatovy Joint Venture to develop and build a vertically-integrated nickel and cobalt mining, processing, refining and marketing operation in Madagascar. The Joint Venture reached commercial production in 2014 and comprises (i) a mine and an ore preparation plant located in the immediate vicinity ...
Gold mining and processing facilities were constructed on its base. Since March 1967 CMA has been mining gold in open pit, fulfilling the complete set of works – from prospecting and exploration till gold bars manufacture. Gold and silver produced by CMA's Hydrometallurgical Plant #2 conform to the International Standards. CMA's main activities:
Hydrometallurgical processes include high-pressure acid leach (HPAL) and heap leach, both of which are generally followed by solvent extraction – electrowinning for recovery of nickel. Another hydrometallurgical routes is the Caron process , which consists of roasting followed by ammonia leaching and precipitation as nickel carbonate.