Hide this alert

MetMine:  Extractive Metallurgy & Mineral Processing

 
Articles
Proud Australian company thinks and acts globally
Monday, February 24, 2014
CEEC’s Executive Officer Sarah Boucaut announced today Multotec has joined the global leaders sponsoring CEEC’s work. Multotec joins other Australian companies such as Russell Mineral Equipment and Gekko Systems, Ausenco and JKTech in supporting CEEC’s mission read more »
ABB commissions Clarabelle mill upgrade for Vale
Thursday, February 06, 2014
ABB, the leading power and automation technology group, has commissioned an upgrade to Vale's existing Clarabelle dual pinion semi-autogenous (SAG) mill. read more »
Lack of critical minerals processing capacity U.S. ‘Achilles heel’ - Wyden
Wednesday, January 29, 2014
During a U.S. Senate hearing on the Critical Minerals Policy Act of 2013, Senate Energy and Natural Resources Committee Chairman Ron Wyden, D-Oregon, noted, “A crucial but too often neglected part of this [U.S. critical minerals] supply conversation is mineral processing.” read more »
New technology promises to make gold processing safer
Tuesday, December 10, 2013
The University of the Philippines Diliman (UP) has found a safer way to process gold. A team of experts has carried out a study aimed at making gold processing safer without the use of cyanide and mercury. read more »
Global leaders join CEEC’s Board
Monday, December 02, 2013
CEEC International Ltd welcomed three new directors to the Board at its recent Annual General Meeting. Maryse Belanger, Mary Stewart and Ivan Mullany bring diverse skills and global expertise to CEEC’s leadership team. read more »
Canada’s finest recognize CEEC Medal winners
Monday, October 28, 2013
A paper presented at the 45th Annual Canadian Mineral Processors Operators Conference in Ottawa, Canada this year has received the 2013 CEEC Medal. read more »
AMIRA International responds to industry call for energy efficiency benchmark
Wednesday, July 10, 2013
Escalating energy prices, lower ore grades and higher labour costs are taking a heavy toll on the mining industry particularly copper and gold producers. Innovation in mining is the common theme of all industry conferences over the past 18 months, reflecting the need to improve operational efficiency. read more »
New Non-toxic Method for Mining Gold
Tuesday, May 14, 2013
Northwestern University scientists have struck gold in the laboratory. They have discovered an inexpensive and environmentally benign method that uses simple cornstarch—instead of cyanide—to isolate gold from raw materials in a selective manner. read more »
Heap Leach Conference Coming Soon
Friday, April 26, 2013
There is a new conference being organized that will cover all aspects of heap leaching. The conference will take place in Vancouver, September 22-25, 2013. read more »
New Technique to Transform Precious Metal Recovery
Wednesday, March 06, 2013
Murdoch University researchers have come up with a new approach to make the recovery of high value precious metals faster and more economically viable. Dr Chun-Yang Yin and Dr Aleksandar Nikoloski said the rising cost of metals such as platinum and palladium made recovery economically and environmentally vital. read more »
Scientists Discover Bacteria That Can Make Gold out of Mine Waste
Tuesday, February 05, 2013
A group of scientists has identified a bacterium that turns toxic water-soluble gold into microscopic nuggets of the solid precious metal, reveals the paper published Monday in Nature Chemical Biology. read more »
Metso strengthens plant optimization services by acquiring U.S. software company ExperTune Inc.
Wednesday, January 02, 2013
Metso has acquired U.S. software company ExperTune Inc. ExperTune's products are widely used as software tools to analyze and monitor the performance of industrial processes and to identify associated maintenance and improvement opportunities. read more »
Reflections on the CEEC Workshop: Flotation makes for a pretty interesting innovation story
Monday, December 03, 2012
What Can We Learn From Innovation in Mining? In the late 19th Century, miners figured out how to get small amounts of precious metals out of large amounts of worthless rocks through the process of precipitation. read more »
Engineering Grade Key to Transforming Resource Extraction
Tuesday, November 20, 2012
Advanced pre-concentration techniques to increase the yield of mineral ores such as gold and copper show potential to transform the economics of large, low grade mining operations. read more »
Application of Colour Based Ore Sorting through Image Processing
Wednesday, August 15, 2012
In the InfoMine Library there is an interesting technical paper that explains how ore can be separated from waste material by using image processing techniques. read more »
Innovation in Mining: A New Book from PDAC and the Mining Assocation of Canada
Wednesday, May 09, 2012
At this link you will find a fascinating book put out by the Mining Association of Canada and the PDAC. It is called 100 Innovations in the Mining Industry. read more »
Global Leaders Drive Debate on Improved Efficiency in Comminution
Tuesday, March 06, 2012
Global support for the Coalition for Eco-Efficient Comminution (CEEC) has come from leading mining, engineering, service and equipment companies. All these companies recognised the value CEEC provides to the industry read more »
e2v and Rio Tinto Announce Memorandum of Understanding on ‘Mine of the Future™’ Programme
Tuesday, February 21, 2012
e2v has signed a Memorandum of Understanding (MOU) with Rio Tinto to develop large-scale ProWave™ microwave and radio frequency generators for use in world-leading mineral recovery. read more »
Coalition for Eco-Efficient Comminution
Thursday, February 16, 2012
There is an interesting group called the Coalition for Eco Efficient Comminution (CEEC). CEEC is a not-for-profit company funded by grants from the mineral industry.  read more »
Mining one day, tourism eventually: BHP
Tuesday, October 11, 2011
BHP Billiton's Olympic Dam project, set to be the world's biggest mine, could have a second life as an outback tourist attraction when it closes. read more »
CommodasUltrasort Aquires Terra Vision of Quebec
Thursday, August 26, 2010
CommodasUltrasort, the leading provider of sensor-based ore sorting systems, has today entered into an agreement to acquire 100 percent of the shares in Terra Vision. read more »
Get gold, humanely if you can, but at all hazards get gold!
Tuesday, July 20, 2010

The Federal Reserve Bank of New York - The Key to the Gold Vault
 read more »
Tsumeb Mine: A history of copper mining in Namibia
Friday, July 16, 2010
The first written report of copper being seen in the Tsumeb area was made in 1857 when the Rhenish Missionaries H. Hahn and J. Rath in the company of hunter-trader F. Green made an expedition to the north with the objective of meeting with Ovambo chiefs. On June 17 they camped East of Grootfontein at the foot of the Otjitjika Mountain where they met Ovambo traders carrying neatly woven palm-leaf baskets that contained copper ore from the Otavi Mountains. read more »
Reed Gold Mine
Monday, May 31, 2010
One Sunday — supposedly in the spring — twelve-year-old Conrad Reed, son of John, chose to go fishing with several siblings in Little Meadow Creek on the family farm rather that attend church with his parents. While busy alongside the creek he saw "a yellow substance shining in the water." Its weight was later said to be approximately seventeen pounds. John Reed, unable to identify it, set the heavy stone aside as a useful doorstop and continued life as usual. read more »
Combating acid rock drainage: industry collaborates on ARD Guide
Tuesday, February 09, 2010
A guide to reducing Acid Rock Drainage (ARD) has been produced by The International Network for Acid Prevention. This internet-based global best practices guide for the prevention and mitigation of ARD was recently published by the International Network for Acid Prevention (INAP). INAP is an international consortium of major mining companies, working collectively to combat the issue of ARD. read more »
Secondary zinc
Monday, December 07, 2009
Shortage of zinc sulphide concentrates in the market coupled with increased demand from developed and emerging countries is causing price increases that are leading the primary zinc industry to consider alternative sources of zinc under more sustainable and
competitive conditions. In this way, feeding secondary zinc oxides to existing smelters represents a new deal for the zinc industry.
 read more »
Thermodynamics of selective roasting of arsenic from tennantite containing copper concentrates
Monday, November 09, 2009
Australia exports ~ 3 millions of tpa of base metals in form of concentrate and refined metals. Base metal ores contain low levels (1- 104 ppm) of toxic/hazardous elements (As, Sb, Bi, Cd, Hg, Se, Te, Po, Th, U, ..). Smelters impose treatment charges and penalty payment on minor elements in concentrates and reject those beyond the level they can safely process. read more »
Geothermal Power, Lithium Mining Two-in-One in California
Friday, October 09, 2009
Geothermal power plants can extract lithium from underground brine and sell it to battery makers. One geothermal project is turning to startup Simbol Mining to try it out read more »
The Coal Conundrum
Wednesday, September 30, 2009
Coal is depended on for a variety of processes. Whether it's electricity generation, steel production or conversion into liquid fuels, it is a fuel on which our society is very dependant. Clean coal will take time and money before it can proliferate. In order to meet the demands that industry and society impose coal needs to be mined quickly and efficiently. read more »
Chemical optimisation and sustainability in flotation
Wednesday, September 30, 2009
The depletion of mineral resources associated with the cost and limited availability of water and energy is putting pressure on the industry to optimise its processes, especially concentration by flotation, Ricardo Capanema reports. read more »
To leach or not to leach?
Wednesday, September 30, 2009
In-situ leaching (ISL) or in-situ recovery was developed in the mid 1970s as a method for extracting uranium from typical roll-front type deposits located in water saturated permeable rocks that were not suitable for conventional mining. It was conceived independently in both the (former) USSR and the USA using similar approaches in engineering and technology. read more »
Planning for the future
Wednesday, September 30, 2009
In the introduction to ICMM's Planning for Integrated Mine Closure: Toolkit, the authors describe planning for closure as being "about how to design a mine operation in order to facilitate closure. When a project is designed,there is a lot of scope to do so with closure in mind..." read more »
Steeling for a comeback
Wednesday, September 30, 2009
At the beginning of August, Macquarie Research described iron ore prices as being "in transition." Announcing "progress" in its 2009 iron ore price negotiations, BHP Billiton highlighted what it views as significant progress in the evolution away from iron ore pricing dominated by an annually negotiated benchmark price towards a "transparent" pricing system based on index (or spot pricing). read more »
Viva Las Cruces
Wednesday, September 30, 2009
After an almost year-long suspension Las Cruces in southern Spain made the final leap into production in June. Daniel Gleeson examines a mine reporting contained copper of some 2,425 MIb, an estimated 15-year mine life and some exciting copper processing advances. read more »
The road to Grasberg
Wednesday, September 30, 2009
Until Bechtel built the first road in the early 1970s, and Freeport Indonesia subsequently developed the area, subrivers were the only access inland to the foothills of the Jayawijaya mountain range on Irian Jaya that hosts what is arguably the greatest ore complex discovered in the world to date, the Grasberg and Ertsberg copper gold deposits. read more »
Researchers Study Impacts of Coal Mining on Water Resources
Monday, August 31, 2009
As the federal government announces new plans to protect water resources, these research efforts are underway to provide objective scientific information to policy makers and to those involved in the debate surrounding mountaintop-removal and other forms of coal mining. read more »
Mercury-tainted fish found widely in U.S. streams
Thursday, August 20, 2009
Scientists have detected mercury contamination in every one of hundreds of fish sampled from 291 freshwater streams, according to a U.S. government study released on Wednesday. More than a quarter of those fish contained concentrations of mercury exceeding levels set by the Environmental Protection Agency for the protection of people who eat age amounts of fish, the U.S. Geological Survey report said. read more »
The gold metallurgy of Isaac Newton
Monday, August 03, 2009
The science of metals had always appealed to Isaac Newton and when, after the conclusion of his remarkable contributions to mathematics and physics, he was invited to take charge of the Royal Mint in London he was able not only to display his great gifts as an administrator but also to exercise his interest in metals and alloys and particularly in the metallurgy of gold. read more »
Gold metallurgy in the Twelfth Century
Monday, August 03, 2009
The simple basic properties of gold – its colour, great malleability and ductility, and its immunity from oxidation even on melting – were well known in the ancient civilizations. In prehistoric times, in Egypt, Babylon and other lands of the Near East, the fabrication of gold articles was equally well understood, as the many brief references throughout the Old Testament establish. read more »
Flotation '09 - MEI's 3rd Flotation Conference
Tuesday, July 21, 2009
It is 103 years since froth flotation was patented, and it is often said to be the 20th century's most important technological development. read more »
Online moisture analyser (for bulks such as iron ore or coal) easy to commission, calibrate and service
Friday, June 26, 2009
Callidan Instruments, the manufacturer of MoistScan®, has recently added remote access functionality to its range of online microwave moisture analysers. The MoistScan is now equipped with internet-based wireless connectivity making remote calibration and service easy and cost effective. read more »
Electronic Journal on California Gold Rush and Gold Mining
Thursday, May 14, 2009
The Sierra College Press has published an electronic journal on the California Gold Rush and Gold Mining. This eJournal is the latest edition of Snowy Range Reflections: A Journal of Sierra Nevada History and Biography. read more »
Coal through a microscope
Monday, May 11, 2009
If you think that coal is a boring black rock then you have never seen it through a transmitted light microscope. The microscope reveals coal's hidden beauty as well as its composition. read more »
MIPAC Unveils CellView® for Copper Electro-refining and Winning
Wednesday, October 22, 2008
MIPAC introduces new wireless technology for tankhouse management that significantly improves copper and other electrolytic process operations read more »
Blasting and Fragmentation Software from Blastware
Monday, September 29, 2008
From Blastware comes new software to simulate the charge delay times involved in blasting. read more »
Heap Leach Pad Risks
Wednesday, September 03, 2008
Risk management enables you to identify risks and take action to avoid them before you get hurt. At least that is the theory. read more »
Infomimet
Thursday, August 28, 2008
Here is a link to a fascinating site from Brazil. I refer to Infomimet which describes itself as an “important information source for the mining, mineral and metallurgical sectors in the context of sustainable development.” read more »
Xstrata Technology & MIPAC in Exclusive Service Agreement
Tuesday, July 08, 2008
MIPAC & Xstrata Technology have announced the formalisation of their long-standing relationship, with an exclusive Collaboration Agreement for the delivery of the ISASMELT™ & ISACONVERT™ smelting and copper converting technology. read more »
In-Lake Tailings Disposal
Tuesday, June 17, 2008
A new report from the Globe and Mail states that sixteen Canadian mining companies have applied to dispose of mine tailings in lakes across the country. read more »
Pierina Gold Mine
Thursday, June 12, 2008
GoldSim to the rescue again: an abstract for the conference on Tailings & Mine Waste ’08 tells of a water balance model for the Pierina Gold Mine in Peru using GoldSim for the entire plant. read more »
MIPAC Delivering Advanced Process Control Solution for Xstrata Zinc
Wednesday, April 30, 2008
MIPAC, a respected world leader in process control, is working with Xstrata to improve operations in its Mt Isa Zinc Concentrator. MIPAC will help Xstrata to automate and optimise key processes in the plant read more »
Non-Traditional Uranium Mining
Friday, February 29, 2008
Here is a way to get more uranium from old mines and simultaneously protect surface water quality. In the paper Non-Traditional Utilization of Uranium Deposits After Underground Mining Completion, Rapantova et al. write of recovery of uranium from groundwater read more »
Copper Solvent Extraction
Friday, February 08, 2008
Here is a link to a magnificent paper in the InfoMine library relevant to all metallurgists. The paper is called Technical Review – Copper Solvent Extraction in Hydrometallurgy. read more »
Comminution Tests
Wednesday, January 23, 2008
If you need to test your mine’s ore as part of a comminution study, you can do no better than get a copy of SGS’s booklet Comminution Tests. read more »
HPGR Trade-Off Studies
Tuesday, November 27, 2007
TechnoMine has previously posted an article from Wardrop on High Pressure Grinding Rolls (HPGR) in the mining industry. read more »
Conference of Metallurgists Abstracts
Wednesday, October 17, 2007
At this link you will find the program and abstracts from a past Conference of Metallurgists. To keep you informed and help you decide, here are my edited versions of abstracts of papers that caught my attention. read more »
Gekko Systems Short Info Program - Part 8
Friday, September 7, 2007
This is the last of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Gekko Systems Short Info Program - Part 7
Friday, August 31, 2007
This is the seventh of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Gekko Systems Short Info Program - Part 6
Friday, August 24, 2007
This is the sixth of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
International Solvent Extraction Conference 2008
Thursday, August 23, 2007
From Bruce A. Moyer, Technical Program Chair, ISEC 2008: The deadline is approaching for abstracts for the International Solvent Extraction Conference, ISEC 2008 read more »
Pollution Problems in the Mineral and Metallurgical Industries
Tuesday, August 21, 2007
For those with a taste for the out-of-the way, the insightful and the different, here is a fascinating small book: Pollution Problems in the Mineral and Metallurgical Industries read more »
Solvent Extraction
Wednesday, August 15, 2007
In 1989 Elsevier published a book called Tailings Management: Problems and Solutions in the Mining Industry by Gordon M. Ritcey. Here is a brief review of the book read more »
Gekko Systems Short Info Program - Part 5
Wednesday, August 15, 2007
This is the fifth of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Gekko Systems Short Info Program - Part 4
Thursday, August 09, 2007
This is the fourth of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Gekko Systems Short Info Program - Part 3
Wednesday, August 01, 2007
This is the third of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Heap Leach Pad Raincoats
Monday, July 30, 2007
The water balance of a heap leach pad may be detrimentally affected during the rainy season by excessive infiltration from heavy rains. read more »
Gekko Systems Short Info Program - Part 2
Wednesday, July 25, 2007
This is the second of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems. read more »
Gekko Systems Short Info Program - Part 1
Tuesday, July 17, 2007
From Gekko Systems: This is the first of an eight week short information program that is intended to keep people in the mineral processing sector up to date with the developments at Gekko Systems.
 read more »
History of Metallurgy
Friday, July 13, 2007
A History of Metallurgy (1994) is edited by Fathi Habashi of the Department of Mining & Metallurgy, Laval University, Quebec City. It is a collection of articles from a multi-volume work. read more »
Microwave Infrared Technologies
Friday, April 27, 2007
In a dim room in Denver, drinking after a snowy SME day, I chanced on a friendly & voluble fellow: Dr. Gus Van Weert. He told me in enthusiastic tones of his work. read more »
DEM Solutions Particle Mechanics
Wednesday, April 11, 2007
DEM Solutions software is used to simulate, analyze, and visualize particle flows so that you can get a feel for what is happening in a situation involving particle kinematics, momentum, and heat and mass transfer. read more »
Mining Labs
Friday, March 23, 2007
At every stage of mining, a lab is needed to test some sample or other. During exploration there are soil and rock samples to test, during production there are metallurgical and environmental samples to test read more »
Comminution
Monday, March 19, 2007
International Mining, January 2007 features another of those great articles from John Chadwick with a catchy title and chock-full of content. This one is called Comminution Conundrum. read more »
Application of High Pressure Grinding Rolls in the Mining Industry
Friday, March 16, 2007
The application of High Pressure Grinding Rolls (HPGR) in the mining industry, especially as a replacement for the conventional Semiautogenous (SAG) milling process read more »
Mining for the Future
Tuesday, March 06, 2007
There is no mining without human resources. People are ultimately what mining is all about. People to plan and run the mines. read more »
Mine Chemical Opportunities
Monday, February 26, 2007
All the information you might need in 2007 on the what chemicals the mining industry will needs now and in the future. read more »
BioteQ Mexico
Wednesday, February 21, 2007
Technical and financial innovation in one project: Columbia Metals Corporation (also at this link) has contracted with BioteQ Environmental Technologies (also at this link) to construct and operate a copper recovery and water treatment plant read more »
Franklin Mining
Wednesday, February 14, 2007
A rare collection of technical and cost evaluation reports on a new mining project is available at the Franklin Mining, Inc site read more »
Solution Mining Irrigation
Wednesday, February 07, 2007
A well-produced brochure is more informative than a text book, and certainly more entertaining than most paper magazines stuffed with pale replications of marketing materials turned into fake-erudite articles. read more »
Data Metallogenica
Monday, February 05, 2007
Probably the most extraordinary website I have yet come across is Data Metallogenica on-line read more »
Aditya Birla Minerals and India
Wednesday, January 31, 2007
The moral of this story is that news reports and Annual Reports can tell the curious engineers and technicians amongst us interesting tales of the trials and tribulations of mining read more »
Silver Deposits - Analysis & Metallurgy
Thursday, January 19, 2007
The method selection for silver analysis and the art and science of extracting silver metal from silver minerals... read more »
Discrete Element Method (DEM)
Thursday, November 30, 2006
The sales brochures are readily available. The technical papers are not. What the computer software does is readily obvious. What can yet be done to benefit the mining industry is not. read more »
Cyclones and Krebs
Wednesday, November 29, 2006
The universal solution? At last computing power catches up with the need to analyze the real world. Solutions for the mining industry are not there yet, but the computer codes are standing ready read more »
Proudfoot Case Histories
Monday, November 27, 2006
For the aficionado of mining case histories, there is a venerable cornucopia on the Proudfoot Consulting website. Here is an edited version of one they recently sent us read more »
Zambian Processing
Thursday, November 23, 2006
This from the pages of the Times of Zambia: Large scale mining companies have invested US$1.4 billion in plant rehabilitation, expansion and in new technology in the last five years, President Mwanawasa has said.
 read more »
Problem Solver
Friday, November 10, 2006
As the traditional diagnostic methods failed to provide any insight into the cause of the problem I found myself focussing more and more on the comments of the operator relative to the wind. read more »
Phosphate Request
Monday, September 25, 2006
Unusual requests sometime find their way to my desk. Sometimes I post them in accordance with the idea that doing so may help the sender and most importantly result in benefit to a reader of TechnoMine. read more »
Met Request
Monday, September 18, 2006
Can you help a student with information? Here is a request I received by e-mail from a student at the university that was the rival to that I attended. Therefore I must do anything I can to help in the interests of a long-standing academic rivalry. read more »
Acid Mine Drainage
Thursday, September 14, 2006
“Most sites have a lot of Fe in their acid mine drainage.” True. But how do you treat it? I do not know. But the answer is on the web. This is what I found. read more »
Cyclotec
Friday, August 18, 2006
Russians outwit Americans in patent resuscitation! You must love headlines like this. I use it to introduce the following that popped up one day in my e-mail inbox: Cyclotec, an engineering team from St. Petersburg, Russia read more »
HJ3 Composite Technologies
Tuesday, August 22, 2006
InfoMine will soon have Wikis and e-Forums on the pages of TechnoMine. In anticipation, here is the first competition: list the uses of high-strength carbon or glass filaments in a polymer resin in retrofitting and rehabilitating mine facilities. read more »

Copyright © InfoMine Inc. Developed and maintained by InfoMine Inc. All rights reserved.