The subject matter of this 2009 convention, The growth - adventure received and classes discovered, locations this quantity within the context of its occasions. The increase interval of 2003-2008 is explored, as are the teachings realized from the following monetary downturn. crucial points of mill operations are lined together with; historical past, growth, layout, apparatus, start-up, comminution, flotation, tailings, regulate, thoughts and strategy insights. Operations checked out contain Australia’s Angas Zinc Mine and favourite Hill, the Palmarejo Silver Mine in Mexico, Hidden Valley in PNG, Phu Kham in Laos, the Jin Feng Plant in China simply to identify a number of. there's a powerful specialize in SAG/AG and HPGR know-how, together with new advancements and purposes from specialists within the box in addition to up and coming expertise.
Content:
entrance topic
• desk of Contents
•Section 1. Keynote Addresses 1. Smarter Mineral Processing - (What) Do Mill Operators imagine?
2. again to the long run - Why swap does not inevitably suggest development
•Section 2. Operations heritage and growth three. Lihir Gold constrained - a wide leap forward for the Lihir Gold Operation
•Section three. Operations layout four. well-liked Hill Concentrator - Designed for Operators and Maintainers
five. approach choice and layout for the Palmarejo Silver Mine
6. Processing suggestions for Hidden Valley Operations
7. Advances in Dense Medium Cyclone Plant layout
eight. Metallurgical try out paintings for method improvement - A Case research of the Prospero Orebody
•Section four. Operations apparatus nine. Mill administration utilizing MillMapper™ - a solution to the talents scarcity - a device for Cost-Cutting
10. The Optimisation of Semi-Autogenous and Ball Mill established Circuits for Mineral Processing through flexible and effective excessive strain Grinding Roll expertise
eleven. bettering Autogenous/Semi-Autogenous Grinding functionality and effort potency with Optimised Pulp Lifter layout
12. major and up to date Advances in Grinding Mill Relining applied sciences
•Section five. Operations Start-up thirteen. Commissioning and Optimisation of the PHU Kham Copper-Gold Concentrator
14. Coobina Chromite Fines Plant - Designed on a Shoestring, inbuilt a increase and Commissioned in a Bust
15. Processing Operations at Sino Guizhou Jinfeng Mining Limited's Jin Feng Plant
sixteen. Angas Zinc Mine - Start-up and the 1st 12 months of Operation within the Adelaide Hills
•Section 6. Operations Comminution 17. What Can get it wrong in Comminution Circuit layout?
18. An built-in Optimisation examine of the Barrick Osborne Concentrator: half A - Crushing and Grinding
19. influence of the Recycling Load at the excessive strain Grinding Rolls' functionality - A Case research with the commercial Unit in the course of Cement Clinker Grinding
20. Getting optimal worth from Ore Characterisation courses in layout and Geometallurgical tasks linked to Comminution Circuits
•Section 7. Operations Flotation 21. Designing the optimum Flotation Circuit - The fashionable Hill Case
22. advancements in Flotation cellphone Operation and upkeep at Newcrest Cadia Valley Operations
23. An built-in Optimisation research of the Barrick Osborne Concentrator: half B - Flotation
24. profitable know-how move from the P260 undertaking - Case reports on Plant Implementation of familiar Flotation learn
25. An Operators' consultant to Sulfide Mineral Flotation
26. bettering Flotation functionality within the stable, The undesirable and the gruesome fiscal occasions - The Century tale
27. some great benefits of Flotation financial institution Air Profiling
28. Telfer educate 1 Copper Flotation Circuit Reconfiguration
•Section eight. Operations Tailings 29. Magnetic Conditioning on the Hellyer Tailings Retreatment Plant
30. present traits in Countercurrent Decantation and Thickener Circuit Operability and regulate
31. Operational effects from the Vane Feedwell - state of the art Modelling changed into fact
32. expanding price in Mining Operations during the software of Paste
•Section nine. Operational suggestions 33. imposing technique layout alterations in approach vegetation
34. Metallurgical Accounting criteria in strategy vegetation
•Section 10. Operations development 35. restoration of Colloidal Gold from Oxidised focus Wash Liquor
•Section eleven. Operations keep watch over 36. Optimising huge Flotation mobile functionality via complex Instrumentation and keep an eye on
37. Incorporation of Pebble Crusher particular power Measurements for the Optimisation of SABC Grinding Circuit Throughput at Telfer
38. advancements in strategy keep watch over and Instrumentation at Batu Hijau
39. Evolution of Semi-Autogenous Grinding Mill keep an eye on at Century Zinc
•Section 12. strategy Insights forty. Plant Trials - The Agony... of having a consequence
forty-one. Tracer-Based Mine-Mill Ore monitoring through technique Hold-ups at Northparkes Mine
forty two. past Mine-to-Mill - Circuit layout for strength effective source Utilisation
forty three. program of particular Sonar Array established procedure tracking dimension apparatus for approach Throughput/Efficiency advancements and dimension aspect rate aid
writer Index
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Extra resources for Tenth Mill Operators' Conference Proceedings 2009
Sample text
Au Tenth Mill Operators’ Conference Preliminary engineering was undertaken in parallel with ongoing exploration drilling and project development and as such resulted in changes to the initial design plant throughput during 2006. This paper describes the process selection and engineering of a process plant with the emphasis on treating high sulfide silver ores by utilising direct electrowinning. Electrometals Technology Limited provided the direct electrowinning technology via the use of their EMEW powder cells.
These tests reduced the WAD cyanide level to 126 mg/L and as such did not achieve the target level of 50 mg/L. It was noted during the tests that the viscosity of the slurry increased dramatically during testing. It is believed that this had a significant impact on the effectiveness of the detoxification process. It was also felt that a lower slurry pH would aid the process. Subsequent to the first phase of testing, cyanide optimisation test work had been carried out on the flotation concentrate sample.
Min for the first six hours and then slowly reduces over the next 18 hours. min. A summary of results for the oxygen uptake test work is given in Table 8. Merrill Crowe test work was performed on high-grade flotation concentrate leach liquors as an alternative process route to direct electrowinning. The test work indicated high silver and gold precipitation rates from the solution, although some minor redissolution was seen over one hour. 15:1. Final tailings samples following cyanide detoxification were sent to the consulting geotechnical laboratories for testing.