Johnson Matthey and Anglo American Platinum Ltd. | Date: 2015-06-16
The invention relates to processes for separating metals, and in particular for separating precious metals such as platinum and palladium, by solvent extraction. The invention also provides novel solvent extraction mixtures useful in the processes of the invention. The inventors have found that by simultaneously employing different extraction mechanisms for the extraction of a plurality of different metals, a simple and convenient process for their separation can be achieved. In particular, the inventors have found that the use of different extraction mechanisms for simultaneously extracting metals from an aqueous acidic phase into an organic phase enables the extracted metals to be separated by selective stripping from the organic phase using simple and mild conditions. This process is particularly advantageous as it permits two or more metals to be separated following a single solvent extraction step, because of the ability to selectively strip the metals from the organic phase.
News Article | May 15, 2017
Today's report shows that overall platinum supply is projected to fall by 2% year-on-year to 7,330 koz in 2017, with both primary and secondary supply expected to decline. Recycling is projected to fall by 6% year-on-year to 1,760 koz in 2017. Secondary supply from jewellery recycling is projected to decline by 20% year-on-year with recycling trends normalising following unusually large stock flows in China last year. Automotive demand for 2016 and 2017 is revised upward by 45 koz. The revisions reflect higher than expected global vehicle sales with increased loadings, while greater scrutiny of emissions is also believed to be limiting moves to thrift platinum loadings. Global platinum ETF holdings grew by 65 koz in the first quarter, with increases observed across most regions. ETF assets in the quarter were at their highest level since the fourth quarter of 2015. Bar and coin demand during the first three months of 2017 was supported by the minting of 20,000 one-ounce US American Eagle bullion coins in January, all of which were sold in just three days. Overall platinum investment demand is now projected to be 250 koz this year. Global platinum jewellery demand for the quarter increased 3% year-on-year, buoyed by increased Chinese retail sales during the quarter. However, global jewellery demand for 2017 is forecast to slip 1% from 2016, with anticipated declines in China and Japan outweighing gains in India and other regions. The platinum market is expected to be broadly balanced over the year, with a deficit of 65 koz in 2017 predicted. Above Ground Stocks are expected to end the year at 1,885 koz, a 3% fall on 2016, but more than 54% down from 2012. Paul Wilson, chief executive officer of WPIC commented: "This quarter's report reinforces our long held view that supply will become increasingly constrained in 2017, while revisions to the data show that 2016 was more heavily in deficit than previously detailed. Today's analysis once again shows how robust demand for platinum from the automotive sector continues to confound many negative expectations in the market. We believe that the upward revisions of automotive platinum demand in 2016 and 2017, contained in the report, indicate that automakers are increasing platinum loadings on vehicles in the face of increased scrutiny of emissions levels. The launch of the recent C40 independent road-testing initiative, led by the Mayors of London and Paris, sent the strongest of messages to carmakers that they need to act quickly to clean up the most polluting elements of their fleets or face the consequences. We believe that platinum will be an integral part of the solution that the carmakers turn to in 2017 and beyond." To download this edition of Platinum Quarterly and/or subscribe to receive the research in the future, without charge, please visit our website: http://www.platinuminvestment.com Platinum Quarterly is the first independent, freely-available, quarterly analysis of the global platinum market. Platinum Quarterly is a World Platinum Investment Council publication. It is largely based upon research and detailed analysis commissioned with, and conducted by, SFA Oxford (SFA), an independent authority on the platinum group metals market. The World Platinum Investment Council Ltd. (WPIC) is a global market authority on physical platinum investment, formed to meet the growing investor demand for objective and reliable platinum market intelligence. WPIC's mission is to stimulate global investor demand for physical platinum through both actionable insights and targeted product development. WPIC was created in 2014 by the six leading platinum producers in South Africa: Anglo American Platinum Ltd, Aquarius Platinum Ltd, Impala Platinum Ltd, Lonmin plc, Northam Platinum Ltd and Royal Bafokeng Platinum Ltd. For further information, please visit http://www.platinuminvestment.com. Founded in 2001, SFA (Oxford) is regarded as one of the most important independent authorities on the platinum group metals market. The company's in-depth market research and integrity is underpinned by extensive consulting from mine to market to recycler, as well as an unrivalled global industry network. SFA have a team of nine dedicated PGM analysts with wide and varied industry expertise and knowledge, each one specialising in a core area of the value chain, as well as many internationally-based associates. SFA is able to provide its clients with answers to the most difficult questions affecting the future of the industry. For more information go to: http://www.sfa-oxford.com Platinum is one of the rarest metals in the world with distinctive qualities making it highly valued across a number of diverse demand segments. Platinum's unique physical and catalytic properties have established its value in industrial applications. At the same time, its unique precious metal attributes have made it the premier jewellery metal. Platinum's supply comes from two main sources: primary mining output, and recycling, which typically comes from end of life auto catalysts and jewellery recycling. Over the last five years, between 72% and 78% of total annual platinum supply (in refined ounces) has come from primary mining output. Global demand for platinum is strong and becoming more diverse. There are four core segments of platinum demand: automotive, industrial, jewellery and investment demand. Platinum demand from autocatalysts has equated to between 37% and 41% of total demand in the last five years. Platinum's diverse other industrial uses account on average for 20% of total global demand (five year average). Over the same period, global annual jewellery demand has averaged 35% of total platinum demand. Investment is the smallest category of platinum demand and also the most variable over the past five years, ranging between 2% and 11% of total demand (excluding movements in vaulted investor holdings).
Johnson Matthey and Anglo American Platinum Ltd. | Date: 2017-04-26
The present invention relates to processes for separating metals, and in particular for separating precious metals such as platinum and palladium, by solvent extraction. The present invention also provides novel solvent extraction mixtures useful in the processes of the present invention. The present inventors have found that by simultaneously employing different extraction mechanisms for the extraction of a plurality of different metals, a simple and convenient process for their separation can be achieved. In particular, the present inventors have found that the use of different extraction mechanisms for simultaneously extracting metals from an aqueous acidic phase into an organic phase enables the extracted metals to be separated by selective stripping from the organic phase using simple and mild conditions. This process is particularly advantageous as it permits two or more metals to be separated following a single solvent extraction step, because of the ability to selectively strip the metals from the organic phase.
News Article | May 5, 2017
JOHANNESBURG (miningweekly.com) – This week’s precipitous platinum price plunge to as low as $893/oz is putting the entire platinum industry at risk, making it essential that steady hands are placed on the tiller to ensure that a national patrimony is protected. While the entire industry has been accepting a lower-for-longer price environment, few will be able to sustain the latest decimation of the price. The expectation along many industry corridors has been that the price trend would more likely head upwards, and begin getting closer to the gold price’s $1 200/oz range. After all, platinum, with its many industrial uses, is rarer than gold, which fills umpteen central bank vaults and is mined in countries from Argentina to Zimbabwe. As long ago as February 2012, former Anglo American Platinum (Amplats) CEO Neville Nicolau was unequivocal about a platinum price of $1 900/oz being essential to maintain long-term production. But instead, the industry, which since that time has been hit by additional costs, is $1 000/oz shy of that price level, with deep, labour-intensive mines operating at dollar prices that not even a weak rand can sustain. Well ahead of the latest price collapse, regular reference was being made to half of the industry being under water, and analysts warned in Business Times on Sunday that even industry consolidation through mergers and acquisitions would unlikely save the day. While Amplats’ exceptional opencast Mogalakwena mine, in Limpopo, stands out as an operation likely to keep its head above water even at these low prices, “something will have to change dramatically”, the head of another opencast platinum operation complained to Mining Weekly Online last month, well ahead of the latest devastating price crash. The Bank of America Merrill Lynch (BofAML) told the Prospectors and Developers Association of Canada (PDAC) convention, in Toronto, earlier this year that the platinum price would rally if platinum producers cut supply by 300 000 oz to 400 000 oz. BofAML charged, at the well-attended PDAC, that the blame for the lack of supply discipline lay especially at South Africa’s door. “As an industry, we need to go for it. We must be bold about cutting supply. The price is telling us that we’re in oversupply and we’ve got to react,” Lonmin CEO Ben Magara commented to Mining Weekly Online on the supply issue last month. But not enough has been done by the industry as a whole. Embattled platinum, which is never consumed, requires intense ongoing marketing, with producers needing to invest in the promotion effort – and also to ensure that the metal does not continue to be demonised by the anti-diesel hype, Royal Bafokeng Platinum (RBPlat) CEO Steve Phiri told investors, unionists, analysts and journalists earlier this year. “You’ve got to market and market and market,” the RBPlat CEO added in a video interview with Mining Weekly Online straight afterwards. Phiri spoke of the International Platinum Association canvassing Eurozone authorities about the efficacy of platinum-catalysed diesel engines, fitted with gadgets to halt nitrogen oxide (NOx) emissions, to counteract the fallout from Volkswagen's diesel emissions scandal in the US. Anglo American did a great job promoting the platinum-using hydrogen fuel cell at Davos and mayors of the world’s biggest cities, led by the three times New York mayor Michael Bloomberg, have been pushing hard for a cleaning of the air around major cities, which platinum can deliver. The World Platinum Investment Council has been providing greater platinum investment opportunity, many calculations point to a deficit of primary supply – and all these marketing efforts must continue. But, despite the effort to date, the platinum price is stubbornly refusing to turn upwards, and was still down in the $910/oz doldrums at the time of going to press.
News Article | April 17, 2017
Another week brings moves and shifts at the upper levels of renewable energy. Jon Wellinghoff, the chief policy officer at SolarCity, left the company now that it has merged with Tesla. It makes sense that Tesla is integrating its respective legislative and policy teams with SolarCity. Letting go of a skilled ex-FERC commissioner appears to make less sense. Wellinghoff's LinkedIn page has him now at Policy/DER Consulting. The firm "assists energy tech companies from startups to fully commercialized enterprises to get to market and expand markets by addressing critical policy barriers to business success." Wellinghoff was the longest-serving chair in FERC's history, leading efforts to fit PV and wind into wholesale electric markets, and to ensure that resources like demand response and distributed generation could participate. Wellinghoff also served as general counsel at the Nevada PUC. He was at SolarCity for one year and one month. We've reached out to him for a comment. President Donald Trump nominated former Congressman Scott Garrett (R-NJ) to serve as president of the Export-Import Bank. The 80-year-old U.S. Ex-Im Bank's mission is to provide loans, guarantees and credits that allow foreign buyers to finance U.S. exports and U.S. exporters to get paid. The bank claims that a large majority of its customers are small businesses. Here's a tweet from the nominee in 2015. And so the Trump streak of heading U.S. government departments with folks who have advocated for the agency's extinction continues (see DeVos for Education, Perry for Energy, and Pruitt for EPA). Since 2009, the total support from the bank for renewable energy exports was almost $2 billion. Many countries and regions that export products (59 in fact) have export-import banks meant to provide a boost to domestic exports and jobs. Trump was also a critic of the Ex-Im Bank, toeing the line of the Freedom Caucus, until he met with the CEOs of Boeing and other firms recently. Then, Trump told the The Wall Street Journal, “Actually, it’s a very good thing. And it actually makes money; it could make a lot of money." Steve Case joined the board of fuel-cell builder Bloom Energy in August 2014. Today, he's no longer on the board. He was replaced by Mary K. Bush at the turn of the year. Late last year, The Wall Street Journal reported that Bloom submitted a confidential registration for its IPO with the Securities and Exchange Commission. The 15-year-old startup claims to have installed more than 200 megawatts of its Bloom boxes in the U.S. Speaking of fuel-cell company boards, Plug Power elected Luke Schneider to its board of directors. Schneider is CEO of Silvercar, a rental car startup, and was previously CTO of Zipcar. Plug just announced that Amazon has won the rights to buy up to 23 percent of the firm, in a deal that has Amazon spending $70 million for fuel cells this year and $600 million over the course of the engagement. Microinverter and energy storage system builder Enphase named Badri Kothandaraman as its first COO. Kothandaraman started with Cypress Semiconductor in 1995 and worked in process technology and chip design before becoming a VP in 2008 and subsequently executive VP of Cypress's data communications division. Here are the recent actions taken by microinverter maker Enphase: Enertech Search Partners, an executive search firm with a dedicated cleantech practice, is the sponsor of the GTM jobs column. Among its many active searches, Enertech is looking for an Enterprise Account Manager -- NE Operational Risk The client is the world's leading provider of sustainability, EHS and Operational Risk Management Software. More than 1,000 global companies and 1 million users rely on the client's solutions to manage their environmental and social performance, minimize risks and improve profitability. This client is seeking an Enterprise Account Manager that will be responsible for the sales of its software solutions. This candidate must have a consistent track record and experience with complex sales cycles and customer-facing deals, as well as possessing a strong hunter mentality. Brian Dillard joined zinc-bromide flow battery maker Primus Power as VP of business development and product management. He was most recently executive director of systems electronics and integration at Johnson Controls, where he led the technology direction of the firm's stationary energy storage business. Primus just won $32 million in financing from Success Dragon, Matador Capital, Anglo American Platinum, DBL Partners, I2BF and the Russia Kazakhstan Nanotechnology Fund. CEO Tom Stepien's firm has raised $94 million in equity and $20 million in government grants since 2009. David Field is officially out as CEO of failed residential solar financier OneRoof. Genevieve Dufau, previously deputy director of policy and electricity markets at SolarCity, is now part of the global energy policy and markets team at Google. Itron announced that Mark Schmitz, the firm’s executive VP and CFO since 2014, is stepping down from the role. Nat Kreamer, the CEO of Spruce Finance, is now the outgoing chairman of the board of directors at the Solar Energy Industries Association. Tom Starrs of SunPower, vice chairman, will become the acting chairman. As GTM's Stephen Lacey reported, Lightsource Renewable Energy, a European developer, is expanding into the U.S. utility-scale PV market with a team of solar and battery storage vets. Leading the team are Lightsource CEO Tim Derrick, the former GM of utility-scale solar and wind at SunEdison; COO Kevin Christy, the former operations officer of SunEdison's North American utility arm; and CCO Katherine Ryzhaya, the former commercial officer at Advanced Microgrid Solutions (AMS). Derrick and Christy co-founded Axio Power, a utility-scale developer acquired by SunEdison in 2011. Ryzhaya co-founded AMS, a developer and integrator of behind-the-meter storage projects that utilities control. All three of them worked together on a joint SunEdison-AMS 50-megawatt project for Southern California Edison.
Gu Y.,University of Queensland |
Schouwstra R.P.,Research Solutions |
Rule C.,Anglo American Platinum Ltd.
Minerals Engineering | Year: 2014
Automated mineralogy methods and tools, such as the Mineral Liberation Analyser (MLA) and the QEMSCAN, are now widely used for ore characterization, process design and process optimization. Several case studies published recently demonstrate that large gains can be obtained through grinding and flotation optimization guided by automated mineralogy data. However, since automated mineralogy can only provide the information pointing to where the process gains can be made, it does not directly impact the production gain. Thus the question is often asked: how to value the contribution of automated mineralogy to process improvement at a particular plant. This appears to be a difficult question to answer. On close examination however, it is found that this is essentially a question of the value of information and this is reasonably well documented in various other industries. Hubbard, 2010, in chapter 7 "Measuring the Value of Information", dealt with exactly this type of problem. The value of information is the reduced risk of an investment and opportunity loss. The methods Hubbard developed can be applied to estimate the value of automated mineralogy, as well as metallurgical test work, both producing information that reduces the risk of investment.This paper first introduces Hubbard's theory on the value of information and how to measure it. It then applies his methods to estimate the value of automated mineralogy, using Anglo Platinum's fine grinding project as an example. In the end, a general model is developed to allow the simulation of the value of automated mineralogy in different mining operations constrained by different parameters. © 2014 Elsevier Ltd. All rights reserved.
Fourie H.,Anglo American Platinum Ltd.
Journal of the Southern African Institute of Mining and Metallurgy | Year: 2016
In mechanized mining, poor equipment efficiency (availability, utilization, productivity, and quality) can endanger the success of the operation. This case study will show how an initiative to improve equipment performance developed into a comprehensive turnaround plan for the mine that placed it in the forefront of performance achievement. As part of a company-wide review process, poor overall equipment effectiveness (OEE) was identified as a major reason for the mine not achieving its targets. A project to improve the OEE identified eight improvement areas (elements) that contributed significantly to the poor performances. Measurement metrics were determined for these elements, followed by determination of baseline and target (improved) key performance indicators (KPIs). Cost savings associated with the improved efficiencies were calculated and tracked throughout the project. The mine team determined the specific actions required to achieve the target KPI in each element. These were individuallydeveloped and managed like mini-projectswith allocated responsibility for delivery. The paper will indicate how this OEE improvement initiative triggered an improvement in almost all sections of the mine. Soon after launch, the initiative gathered momentum as the KPIs starting to improve. A visible tracking system exists at the mine and each employee can see the improvements and feel the success. The original eight elements were extended by five more, and the mini-projects grew as participants saw the success of the initiative. This paper concludes that through management and worker involvement, visible measurement and controls, and carefully chosen improvement elements, the mine was turned around. It is now achieving and exceeding its targets, and employee relations and motivation as well as safety have improved considerably. All of these achievements are reflected in the bottom line. © The Southern African Institute of Mining and Metallurgy, 2016.
Smith G.L.,Anglo American Platinum Ltd.
Journal of the Southern African Institute of Mining and Metallurgy | Year: 2012
The fundamental challenge facing mineral and metal companies is how to create sustainable value while operating within mandated strategic bounds, identified constraints, and variable market and economic conditions. This can be achieved by allowing the fixed physical nature of the mineral asset to drive definition of the optimal technical solution to mining and processing activities, and developing and resourcing a strategically aligned portfolio of production entities that creates flexibility to near- and longer-term business environment shifts, i.e. a production mix that allows variation of output to respond to short term market variation, within a long term context. The practical achievement of this outcome is enabled by the concept of strategic long term planning. The core elements of strategic long term planning in the metals and minerals industry, and the relationship between them, are expanded. The strategic long term planning framework is a logic construct that enables delivery of an optimized, strategically-aligned business plan from the mineral asset portfolio using a set of tools and techniques with a common language, standards, systems and processes to align decisions and actions on a cyclical basis. © The Southern African Institute of Mining and Metallurgy, 2012.
Nelson L.R.,Anglo American Platinum Ltd.
TMS Annual Meeting | Year: 2014
The historical progression in installed electric furnace smelting capacity of some 1650 calcium, chromium, manganese, nickel and silicon ferro-alloys furnaces is reviewed. Key increases in the inherent installed electrical capacity, often achieved through uprating furnaces, are identified. Possible factors facilitating such advances are explored, including: specific process engineering and pyrometallurgical enhancements (e.g., improved control over the consistency, size and chemical form of raw materials, extents of preheating and pre-reduction delivered into the furnace; and patterns of feed distribution); furnace electrical configuration (AC or DC; immersed, submerged-, shieldedor open-arc); form of electrode (graphite, self-baking or composite); furnace configuration (circular or rectangular; closed or open and 1-, 3- or 6-electrodes); better engineering and equipment designs (e.g., high-intensity cooling) and state of furnace electrical and metallurgical control systems. A view is presented on the prevailing state of evolution of the Mega-scale in ferro-alloy smelting and opportunities for still further improvements.
Rule C.,Anglo American Platinum Ltd. |
De Waal H.,Xstrata Technology
METPLANT 2011 - Metallurgical Plant Design and Operating Strategies | Year: 2011
In 2003, Anglo Platinum, in a joint development with Xstrata Technology, installed the world's first 10 000 litre IsaMill™ in a concentrate regrind duty at the Western Limb Tailings Re-treatment Plant. The success of that installation was the enabling event for Anglo Platinum to proceed with a substantial investment in horizontal stirred milling technology. Since 2006 an additional three IsaMills™ in concentrate regrind duties and a further 18 IsaMills™ in the more technically challenging coarse grinding mainstream applications, have been commissioned in group Concentrator operations - bringing the total number of IsaMills™ installed in Anglo Platinum plants to 22. A collaborative approach between Anglo Platinum and Xstrata Technology towards improving milling efficiency and reducing operating costs, through internal mill component wear optimization and operating recipe development, has resulted in further improvements in the overall success of IsaMills™ in the flow sheets of many Anglo Platinum operations. The addition of IsaMills™ in the Anglo Platinum flow sheets has improved plant PGM recoveries by as much as 5%. This paper explores the improvements made to the IsaMills™ flow sheet and mill internal design and shares some of the operating experience with IsaMills™ technology in Anglo Platinum.