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Letzter Kurs 22:08:08 Lang & Schwarz
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der kuerzlich erfolgte Sprung auf ~0.33 war etwas ueberraschend fuer mich, daher... rechnet man nun wieder auf ein Absacken auf des "alte" Niveau i.H.v. ~0.22?
Conference evening workshop day one Tuesday 9 October 2012
17:30 Workshop A: The state of the art in processing rare earths
Undoubtedly the single biggest challenge in rare earths is processing and metallurgy. Cost-effectively extracting and separating rare earths – all the while maintaining environmental compliance and ensuring safety – is an enormous challenge, one that can eat up CAPEX like little else. It is not an exaggeration to say processing and metallurgy make or break most rare earths projects, and represent their single biggest risk factor. In this 3-hour evening workshop, Jack Lifton of Technology Metals Research, will take you through the extractive metallurgy of rare earths, why it’s so difficult to do right, the state of art technologically and how effectively to manage the processing and separation aspects of rare earths projects. His focus will be on comparing, in some detail, the alternative methods of extraction, specifically, solvent exchange, ion exchange and solid-phase exchange. Jack will also discuss how to choose the best technology for your site and mineral feedstock, how to mitigate risk, and the future directions in extractive hydrometallurgy for rare earths.
The most important factor for the economic recovery of rare earths is proof that the technologies exist and is applicable to the particular ore body
Mechanical concentration prior to extraction: the existing technologies and the role of the grade of the ore Organic solvents, supercritical solvents, membranes, and biological processes Solvent exchange vs. ion exchange vs. solid-phase exchange Circuit optimisation strategies
Workshop leader:
Jack Lifton
Principal
Technology Metals Research
17:30 Workshop A: The state of the art in processing rare earths
Undoubtedly the single biggest challenge in rare earths is processing and metallurgy. Cost-effectively extracting and separating rare earths – all the while maintaining environmental compliance and ensuring safety – is an enormous challenge, one that can eat up CAPEX like little else. It is not an exaggeration to say processing and metallurgy make or break most rare earths projects, and represent their single biggest risk factor. In this 3-hour evening workshop, Jack Lifton of Technology Metals Research, will take you through the extractive metallurgy of rare earths, why it’s so difficult to do right, the state of art technologically and how effectively to manage the processing and separation aspects of rare earths projects. His focus will be on comparing, in some detail, the alternative methods of extraction, specifically, solvent exchange, ion exchange and solid-phase exchange. Jack will also discuss how to choose the best technology for your site and mineral feedstock, how to mitigate risk, and the future directions in extractive hydrometallurgy for rare earths.
The most important factor for the economic recovery of rare earths is proof that the technologies exist and is applicable to the particular ore body
Mechanical concentration prior to extraction: the existing technologies and the role of the grade of the ore Organic solvents, supercritical solvents, membranes, and biological processes Solvent exchange vs. ion exchange vs. solid-phase exchange Circuit optimisation strategies
Workshop leader:
Jack Lifton
Principal
Technology Metals Research
Antwort auf Beitrag Nr.: 43.523.661 von Langstrumpf2 am 23.08.12 08:48:34Nachtrag:
Rapid Separation of Rare Earth Elements with Interstitial Polymer Network Ion Exchange Columns: Richard Hammen1; John Hammen1; Anupam Goyal1; 1IntelliMet LLC
Rare earth element (REE) production is essential for much of 21st Century technology. Current methods of producing purified REE metals require multi-stage solvent extractions that are expensive due to high capital, operational, and environmental costs. We describe a new generation of ion exchange columns that are effective for REE separation. The columns are manufactured with beds of silica particles that have thinly cross-linked polymer networks crossing the interstitial spaces between the particles. These interstitial polymer networks (Spiderwebs) suspended between silica particles have enhanced rates of equilibration with solutions flowing through the Spiderweb. When the Spiderweb-like polymer networks are modified with REE-selective chelating agents, the columns are able to rapidly separate RE ions from mixtures. We report the separation of cerium and lanthanum from RE mixtures to give highly purified metal salts. In addition, we describe the separation of praseodymium and neodymium in one pass through a Spiderweb column.
Rapid Separation of Rare Earth Elements with Interstitial Polymer Network Ion Exchange Columns: Richard Hammen1; John Hammen1; Anupam Goyal1; 1IntelliMet LLC
Rare earth element (REE) production is essential for much of 21st Century technology. Current methods of producing purified REE metals require multi-stage solvent extractions that are expensive due to high capital, operational, and environmental costs. We describe a new generation of ion exchange columns that are effective for REE separation. The columns are manufactured with beds of silica particles that have thinly cross-linked polymer networks crossing the interstitial spaces between the particles. These interstitial polymer networks (Spiderwebs) suspended between silica particles have enhanced rates of equilibration with solutions flowing through the Spiderweb. When the Spiderweb-like polymer networks are modified with REE-selective chelating agents, the columns are able to rapidly separate RE ions from mixtures. We report the separation of cerium and lanthanum from RE mixtures to give highly purified metal salts. In addition, we describe the separation of praseodymium and neodymium in one pass through a Spiderweb column.
http://www.aimehq.org/events/event/51st-conference-metallurg…
...
WEDAM1-Separation and Metal Production
The State of the Art in Separating and Purifying the Heavy Rare Earths: Solvent Exchange, Ion Exchange, and Solid Phase Extraction, Which is the Optimal Process?
Paper No.: 7587
Author: Jack Lifton
Co-authors:
Dr. Richard Hammen,
Room: Great Room A - 3rd Floor
Time: Wednesday October 3, 2012 - 8:55
Historically the rare earths were first chemically separated from each other and purified by fractional crystallization. This slow, cumbersome, and laborious process was not suited to commercial production. Solvent Exchange technology was applied to the problem of separating and purifying the rare earth elements when it was determined beginning in the late 1960s that there might be commercial uses for them individually. At the time the slow and expensive technique of ion exchange was applied either for ultra-purification of the then desired “light” rare earths, or for the recovery and purification of the then tiny amounts of higher atomic numbered, “heavy,” rare earths. Solvent Exchange has today become the standard for separating the rare earths across their atomic number spectrum. Whereas the separation of the light rare earths commercially may take 30 “cascades’ in a modern Chinese plant, the total separation of all of them from each other may take up to 80 such “cascades,” and is only even “practical’ with pre-concentrated feed stocks such as those produced in China by heap-leaching techniques performed in situ on very low grade radio-nuclide free ionic absorption clays. Ultra-pure materials of all types are produced today by ion-exchange processing of ionic species already separated by solvent exchange.
Hard rock deposits and refractory residues of tin mining and residues from uranium mining have been identified outside of China with very high ratios of dysprosium and other heavy rare earths to the majority lighter ones. Several issues face those who wish to process these materials so as to separate the heavy rare earths commercially:
(1) The ore must be cracked efficiently so as to produce the highest concentration process leach solution that is compatible with the chosen separation process; (2) The radio-nuclides, if present, and other nuisance elements, such as iron, must be removed prior to other separations and disposed of legally and safely; (3) The separation technology used must be capable of continuous operations, so as to be economical and practical-this means that multiple campaigns to accumulate sufficient PLS for a heavy rare earth campaign are not practical for a small venture depending on heavy rare earths for their revenues.
The first issue above, the cracking of the ore, is a universal problem. Hard rock rare earth ores with high values of the heavy rare earths tend be silicates from which it is a challenge to extract the desired rare earths into solution efficiently and economically.
We will propose that SPE, Solid Phase Extraction, can be shown to be the best technology for recovering the heavy rare earths economically.
...
...
WEDAM1-Separation and Metal Production
The State of the Art in Separating and Purifying the Heavy Rare Earths: Solvent Exchange, Ion Exchange, and Solid Phase Extraction, Which is the Optimal Process?
Paper No.: 7587
Author: Jack Lifton
Co-authors:
Dr. Richard Hammen,
Room: Great Room A - 3rd Floor
Time: Wednesday October 3, 2012 - 8:55
Historically the rare earths were first chemically separated from each other and purified by fractional crystallization. This slow, cumbersome, and laborious process was not suited to commercial production. Solvent Exchange technology was applied to the problem of separating and purifying the rare earth elements when it was determined beginning in the late 1960s that there might be commercial uses for them individually. At the time the slow and expensive technique of ion exchange was applied either for ultra-purification of the then desired “light” rare earths, or for the recovery and purification of the then tiny amounts of higher atomic numbered, “heavy,” rare earths. Solvent Exchange has today become the standard for separating the rare earths across their atomic number spectrum. Whereas the separation of the light rare earths commercially may take 30 “cascades’ in a modern Chinese plant, the total separation of all of them from each other may take up to 80 such “cascades,” and is only even “practical’ with pre-concentrated feed stocks such as those produced in China by heap-leaching techniques performed in situ on very low grade radio-nuclide free ionic absorption clays. Ultra-pure materials of all types are produced today by ion-exchange processing of ionic species already separated by solvent exchange.
Hard rock deposits and refractory residues of tin mining and residues from uranium mining have been identified outside of China with very high ratios of dysprosium and other heavy rare earths to the majority lighter ones. Several issues face those who wish to process these materials so as to separate the heavy rare earths commercially:
(1) The ore must be cracked efficiently so as to produce the highest concentration process leach solution that is compatible with the chosen separation process; (2) The radio-nuclides, if present, and other nuisance elements, such as iron, must be removed prior to other separations and disposed of legally and safely; (3) The separation technology used must be capable of continuous operations, so as to be economical and practical-this means that multiple campaigns to accumulate sufficient PLS for a heavy rare earth campaign are not practical for a small venture depending on heavy rare earths for their revenues.
The first issue above, the cracking of the ore, is a universal problem. Hard rock rare earth ores with high values of the heavy rare earths tend be silicates from which it is a challenge to extract the desired rare earths into solution efficiently and economically.
We will propose that SPE, Solid Phase Extraction, can be shown to be the best technology for recovering the heavy rare earths economically.
...
Trading Spotlight
http://thechronicleherald.ca/business/128663-new-technology-…
...
Analyst: Still room for junior miner to grow
A new extraction technology is injecting some life into the moribund stock of a Hammonds Plains junior mining company.
On Aug. 14, Ucore Rare Metals Inc. announced what it is calling a technological breakthrough that will allow it to remove 99 per cent of the impurities from its Bokan Mountain rare earth metals property on the southern edge of the Alaskan panhandle.
Since then. 3.3 million Ucore shares changed hands on the TSX Venture Exchange. (During the rest of August, around 800,000 Ucore shares were traded.)
The stock price, meanwhile, climbed from 29 cents to 40 cents during a single day last week.
“That was more of a surprise retail surge that caught the pros flat-footed,” said Byron King, editor of the Energy & Scarcity Investor.
The American newsletter focuses on small-cap energy and mineral resource investments.
Since last week, the stock price has dipped, with the shares trading at about 37 cents late Tuesday.
But King said via email that the stock price drop is due to profit-taking by institutional investors who don’t quite understand the new technology.
“Once the fundies and investies figure it out, and maybe it takes a graduate-level knowledge of organic chemisty to get it, they’ll realize what’s happening,” he said.
...
...
Analyst: Still room for junior miner to grow
A new extraction technology is injecting some life into the moribund stock of a Hammonds Plains junior mining company.
On Aug. 14, Ucore Rare Metals Inc. announced what it is calling a technological breakthrough that will allow it to remove 99 per cent of the impurities from its Bokan Mountain rare earth metals property on the southern edge of the Alaskan panhandle.
Since then. 3.3 million Ucore shares changed hands on the TSX Venture Exchange. (During the rest of August, around 800,000 Ucore shares were traded.)
The stock price, meanwhile, climbed from 29 cents to 40 cents during a single day last week.
“That was more of a surprise retail surge that caught the pros flat-footed,” said Byron King, editor of the Energy & Scarcity Investor.
The American newsletter focuses on small-cap energy and mineral resource investments.
Since last week, the stock price has dipped, with the shares trading at about 37 cents late Tuesday.
But King said via email that the stock price drop is due to profit-taking by institutional investors who don’t quite understand the new technology.
“Once the fundies and investies figure it out, and maybe it takes a graduate-level knowledge of organic chemisty to get it, they’ll realize what’s happening,” he said.
...
Den "grossen Einbruch" hat es bisher nicht gegeben.
Das Gesamtvolumen ist jedoch nochmals gestiegen:
Das Gesamtvolumen ist jedoch nochmals gestiegen:
also es könnten weiter empfehlungen folgen und somit ein kleiner hype enstehen!
@k.o. schau doch mal bei meinem tip von anfang juni vorbei, hoffe du bist noch dabei!!
@k.o. schau doch mal bei meinem tip von anfang juni vorbei, hoffe du bist noch dabei!!
Antwort auf Beitrag Nr.: 43.512.590 von Langstrumpf2 am 20.08.12 16:45:33Es überrascht mich sehr, dass
1. der Kurs nur bis MA200 (0.38CAD) korrigiert hat und dort abgeprallt ist (aktuell 0.39CAD)
2. die Korrektur nicht bis auf 0.36CAD oder darunter läuft, wobei man sagen muss, dass eine Kerze komplett außerhalb des Bollinger Bandes sein darf, was dann wohl heute sein wird.
3. nicht mehr Gewinnmitnahmen zu sehen sind!
Aber ich bleibe dabei, da der RSI noch immer überkauft ist (73.81), dass es morgen nochmal korrigiert!
Ansonsten wünsche ich euch allen weiter steigende Kurse und fette Gewinne, denn ich schaue leider dem Treiben nur von der Seitenlinie aus zu.
Aber vielleicht geht ja UCU vollkommen durch die Decke und zieht meine REE-Buden im Depot mit.
1. der Kurs nur bis MA200 (0.38CAD) korrigiert hat und dort abgeprallt ist (aktuell 0.39CAD)
2. die Korrektur nicht bis auf 0.36CAD oder darunter läuft, wobei man sagen muss, dass eine Kerze komplett außerhalb des Bollinger Bandes sein darf, was dann wohl heute sein wird.
3. nicht mehr Gewinnmitnahmen zu sehen sind!
Aber ich bleibe dabei, da der RSI noch immer überkauft ist (73.81), dass es morgen nochmal korrigiert!
Ansonsten wünsche ich euch allen weiter steigende Kurse und fette Gewinne, denn ich schaue leider dem Treiben nur von der Seitenlinie aus zu.
Aber vielleicht geht ja UCU vollkommen durch die Decke und zieht meine REE-Buden im Depot mit.
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