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US4634467A
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Hydrometallurgical process for copper recovery
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US4551213A
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Recovery of gold
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US4517064A
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Electrolytic cell
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US4536214A
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Metal sulphide extraction
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US4488902A
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Horizontal, multistage electron beam refinement of metals with recycle
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US4518418A
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Electron beam refinement of metals, particularly copper
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US4475771A
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Cyclic solution mining of borate ores
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US4513859A
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Conveyor with readily replaceable roller
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Process for recovery of metal chloride and cuprous chloride complex salts
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US4491279A
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Portable rock crushing and conveying system
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US4544460A
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Removal of potassium chloride as a complex salt in the hydrometallurgical production of copper
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US4342592A
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Non-polluting process for recovery of precious metal values from ores including those containing carbonate materials
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US4272341A
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Process for recovery of metal values from lead-zinc ores, even those having a high carbonate content
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AU3783278A
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Pressure relief system for gyratory crusher
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ZA7803815B
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Hydroset pressure relief system
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US4147309A
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Hydroset pressure relief system
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DE2715856A1
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Recovery of particulate crystalline product during electrolysis - using agitators to sweep product from cathodes onto conveyor
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FI771107A
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Procedure for characterization of a crystalline product from a particular form of a crystalline product and an electrical system
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PH13347A
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Process and apparatus for the recovery of particulate product from an electroysis system
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AU2383977A
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Process and apparatus forthe recovery of particulate crystalline product froman electrolysis system
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