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Leaching
Leaching - The process or an instance of separating the soluble components from some material by percolation. The process or an instance of removing nutritive or harmful elements from soil by percolation. [NABIR Bioremediation Glossary] News archive for Leaching: |
Mineweb,The entry of European Nickel is seen as positive and the company brings with it leading experience in heap leaching of laterite ores.
Treated pine in the veggie patch - 04 Aug 2008
The Australian,...which identifies extremely small risks from leaching of arsenic, which also occurs naturally in soils. Within 100mm of treated timber, slightly elevated
Let's Talk Going Green - 04 Aug 2008
Ballard News Tribune,Get rid of old cans of food, especially anything with a high acid content like tomatoes that encourages leaching. Buy fresh or frozen produce instead of
New stage in Sandringham clean-up - 04 Aug 2008
Bayside Leader,..."An important part of the remediation works is to treat the soils to bind contaminants and prevent leaching. "After this treatment, it is planned that the
Column - ‘Choice’ requires public responsibility - 04 Aug 2008
HollandSentinel.com,Money is the lure and the consequences — increased crime, addictions, recreational and economic leaching of families, belong to someone outside tribal
Manila's Berong nickel mine 2008 output seen flat to higher - 04 Aug 2008
Forbes,Tungsten Group Co Ltd (JXCT) to develop a nickel-cobalt leaching plant at the Ipilan/Celestial nickel laterite deposit also in the island of Palawan.
In Situ Uranium Leaching - Jul 30, 2008
International Business Times,The process of in situ uranium leaching is, superficially, terribly simple. You simply pump water into the ground and then pump it out again.
US Excerpts: Politically motivated; Leaching resources - Jul 8, 2008
Kansas City Star,AP On the heels of last month’s disclosure by the Justice Department’s inspector general that hiring patterns for entry-level attorneys and interns in 2002
Open Wi-Fi network wraps Mumbai man in bomb blast probe - Aug 1, 2008
Register,We've often argued that Wi-Fi bandwidth is like air, and the oft-repeated warnings about people leaching off unsecured networks was so much hysteria.
Peru's Yanacocha Gold Mill Enters Commercial Production - Jul 31, 2008
CNNMoney.comThat was mainly due to an increase of tons placed on leaching pads, and to higher grade ore, among other factors. The company added that it expected sales
Breathing new life into gold processing - Jul 31, 2008
Creamer Media's Mining Weekly,Equipment manufacturer Intaka Tech’s oxygen generation plant is meeting the needs of the South African mining industry leaching process application.
Botswana may produce first uranium in 2010, become second Nambia ... - Jul 31, 2008
Creamer Media's Mining Weekly,Envisaged is a simple digging up of the near-surface oxide material, placing it on a pad and leaching out the uranium. Acap, which is listed on the
Coal Tar is Leaching into Canal, DEC Reports - Jul 7, 2008
RedOrbit,Allen said the leaching is visible during the low-water season on the canal wall near St. Mary's Catholic Church, west of the locks.
ERA uranium goes to China - Jul 25, 2008
The Australian,The company said it was seeking approval for a mine expansion and for heap leaching of low-grade ore. The mine expansion was targeting an extra 8000 tonnes
So, is it OK to drink bottled water after it has been in a hot car? - Jul 23, 2008
Hartford Courant,Compounding concerns is the possibility that heat, like that inside a car on a mid-July day, worsens the leaching. "There are so many variables,
Camec to build multimillion-dollar SX plant in DRC - Jul 24, 2008
Creamer Media's Mining Weekly,Camec notes that a key factor for this achi-evement is rapid access to raw copper, which is made possible through the heap-leaching process.
Quarterly Activities and Cash Flow Report - Jul 31, 2008
Sydney Morning Herald,Processing The Ayanfuri gold plant design criteria calls for a single stage crushing circuit followed by gravity separation, CIL leaching,
My Take - Change the game plan, now - Jul 30, 2008
HollandSentinel.com,There are reasons beyond George Bush, Bill Clinton or Jennifer Granholm that jobs are leaching from our state to others. Are we brave enough, strong enough
Greens: Cleaner Land At Mapua At The Expense Of Air And Water - Jul 28, 2008
Voxy,I was disturbed at the strong smell of agricultural chemicals emanating from the processing plant, showing that the chemicals were leaching into the air.
Nitrogen inhibitors value questioned - Jul 13, 2008
Country Wide Northern,..."We may find that the product is more of an environmental tool to deal with leaching than one to boost production. "Further research on nitrification
DJ Philippines Berong To Sell BHP 1M Tons/Yr Of Nickel Ore -Exec - Jul 18, 2008
Trading Markets (press release),The heap leaching process would require a capital investment of $500 million, atmospheric leaching would require $1 billion and high-pressure acid leaching,
Aurelian Reports Enhanced FDN Metallurgical Results and Progress ... - Jul 17, 2008
Stockhouse,Test work shows that crushing, grinding and gravity recovery with Carbon in Leach (CIL or leaching), "were quite favourable, especially for Zone 3 and 4.
Op-Ed: Detroit mayors: jailbirds, achievers - Aug 3, 2008
Traverse City Record Eagle,As a highly unorthodox governor, he continued to battle rail interests, describing them "among the grossest offenders in tax-dodging," intent on "leaching
Frugal diners delay student's dream - Jul 28, 2008
Waterloo Record,...be in the paper this summer would be to announce how a "Local Student Soars to Millionaire Status Even After Paying Off Money-Leaching University.
Superfund work near national forest in final stage - Jul 25, 2008
WDBJ7.com,They also plan to build a cap over the landfill to prevent polluted water from leaching from the site. Cleanup work is expected to be completed by September
Definitive Feasibility Study Demonstrates Certej Project Viability - Jul 23, 2008
CNW Telbec (Communiqués de presse),...gold-silver concentrate - Ultra fine grinding and ambient pressure leaching of the concentrate using Xstrata's Albion process, to liberate the gold and
Alaska officials respond to Pebble mine concerns - Jul 14, 2008
Fairbanks Daily News-Miner,Crafford said Woody's concerns about reactivity of Pebble ore, acid mine drainage, metals leaching and potential contamination from various metals in
Prospectors sift through America's garbage in a gold rush founded ... - Aug 2, 2008
Independent,Americans are too thoughtless to reuse plastic water bottles; discarded computers and cell- phones are leaching toxins into the soil; and on and on.
To dye for: Clairol Medal of Valor or the Silver Fox look - Aug 2, 2008
Minneapolis Star Tribune,It was nice to take a break from all those chemicals leaching into my scalp, but my popularity with the ladies went from 60 to 0 in about seven seconds.
= UPDATE: Sino Gold: 2Q Jinfeng Gold Output Up 14%, Costs Rise - Jul 21, 2008
Trading Markets (press release),Next in line is the Beyinhar project, where a feasibility study is in progress and heap leaching is expected to start in the spring of 2010.
Toledo eyes Philippines' second nickel ore processing plant - Jul 10, 2008
Metalbulletin.com (subscription),The leaching plant will use either atmospheric leaching or high-pressure acid leaching (HPAL), with construction to start in late 2010 or early 2011,
State governments doomed, says ex-premier - Aug 2, 2008
NEWS.com.au,..."There has been a devastating leaching of state government powers to the Commonwealth. I don't think it's a good thing but, sadly, it is irreversible.
Ecologist To Test Two Bella Vista Lakes - Jul 15, 2008
The Morning News,The $72795 study identified possible sites of septic systems leaching. So far, follow-up testing at other lakes and monthly water quality tests have not
Organic Benefits Show in Farmer's Bottom Line - Jul 11, 2008
RedOrbit,Dr Horne showed how both fertiliser costs and nitrate leaching were significantly less on the organic farm than the conventional, though he acknowledged
Uranium Mining Could Secure Energy Future - Aug 3, 2008
istockAnalyst.com,A third method, called in-sito leaching (ISL), is most often used in the United States. ISL entails dissolving the below-surface uranium into a solution and
BPD-Building Products Digest - Jul 10, 2008
Building-Products.com,And so began a mad dash by chemical companies to develop a binder that could prevent borates from leaching. "There were attempts to develop a borate-based
Quarterly Activities and Cashflow Reports - Jul 27, 2008
Sydney Morning Herald,Production The Indee heap leach operation continued to provide evidence that the heap leaching process is a very effective means of bringing suitable gold
Don't inhale that new car smell - Aug 1, 2008
CNN International...but are also in constant physical contact with dangerous chemicals leaching from just about every interior surface of a new vehicle.
Cement co.: We've not seen NY landfill pollution - Jul 11, 2008
Fox44 News,Riverkeeper says its own tests show contaminants as caustic as household bleach are leaching into wetlands that feed the river, imperiling the environment
Potassium and potato preparation - Jul 11, 2008
High Plains Journal,Jansky and Bethke also examined the effects of leaching the potatoes--letting them soak in water overnight. Their results showed that leaching had no
EXMIN Restarts Metallurgical Testing on High-Grade Gold Bearing ... - Jul 16, 2008
MarketWatchThese two samples responded well to cyanide leaching, yielding recoveries of 87.81% and 90.06% over 72 and 48 hours, respectively (see Table 1 below).
A new Stanwich School is on its way - Jul 10, 2008
Greenwich Time,..."The moving of the leaching fields saved hundreds of trees," Healy said. a right-turn lane on the north side of Stanwich Road. "They are going to put the
As fly ash piles up, the challenge for safe disposal rises - Jul 26, 2008
The Virginian-Pilot,An EPA presentation states that the standard test for predicting leaching of metals – as used by Dominion Virginia Power – is not adequate.
African Eagle provides Miyabi project update - Jul 31, 2008
Mineweb,Metallurgical tests have shown that the gold can readily be extracted by conventional leaching. The Company holds licences covering more than 500km²
Opponents confident 'super-tip' won't go ahead - Jul 17, 2008
ABC Regional Online,Authority has asked the council to supply further information on how it plans to prevent pollutants from leaching into a nearby water catchment.
From sea to sky, road hangs on for dear life - Aug 1, 2008
Globe and Mail,The waters of Howe Sound, which for decades were a dumping ground for toxic waste leaching from a former mine before cleanup programs improved the flow,
Coro Completes Due Diligence and Makes Second Option Payment on ... - Jul 9, 2008
FOXBusinessUpon completion of this cycle, the leached material is sent to the spent ore dump for continued leaching and production of either copper sulphate or cathode
Annual Report to shareholders - Jul 28, 2008
Sydney Morning Herald,...as a result of heap leaching during the by Snowden Mining Industry Consultants progress to a pre-feasibility study of the deposit reporting period.
Quarterly Activities and Cashflow Reports - Jul 22, 2008
Sydney Morning Herald,Scoping work for the optimisation of oxygen addition to the leaching to improve control of oxygen addition and help optimise the leaching process is
Takoradi June Quarterly Report - Jul 31, 2008
Sydney Morning Herald,...at Mollacas of 17.05 million tonnes at 0.54% Cu (at a 0.2% Cu cut-off) containing 92000 tonnes copper (Cu) of which 80% could be recovered by leaching.
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