The Alchemist Search—Getting Gold from Lead or Rare Earths from Mining Sludge

The Alchemist Search—Getting Gold from Lead or Rare Earths from Mining Sludge

Something good can come from the wastes of dirty coal mining in West Virginia. West Virginia University researchers are opening a new facility to capture valuable materials from acid mine drainage from coal mining – turning the unwanted waste into critical components used in today’s technology-driven society.

Through a collaborative research and development program with the National Energy Technology Laboratory, part of the U.S. Department of Energy, WVU is opening the Rare Earth Extraction Facility to bolster domestic supplies of rare earths, reduce the environmental impact of coal-mining operations, reduce production costs and increase efficiency for processing market-ready rare earths.

Additionally, the technology could create jobs, helping to revive economies that have been historically dependent on the coal industry.

“Research on rare-earth extraction is one way that our University is fulfilling its most important mission—which is the land grant mission—to advance the prosperity of the people of this state,” President Gordon Gee said.

Representatives from WVU, NETL, DOE, representatives from West Virginia’s congressional delegation and others gathered July 18 in the High Bay Research Lab at the WVU Energy Institute’s National Research Center for Coal and Energy on campus to tour the new Rare Earth Extraction Facility and mark the start of this exciting new phase of research.

Brian Andson, director of the WVU Energy Institute, hosted the event and conveyed statements of support from the members of the state’s congressional delegation, including Rep. David McKinley and Sens. Joe Manchin and Shelley Moore Capito.

In addition, WVU welcomed keynote speaker Steven Winberg, DOE assistant secretary for fossil energy.

“It’s a pleasure to be in West Virginia, because West Virginians understand what it really means to have an ‘all-of-the-above’ energy strategy,” he said.

WVU is partnering with Rockwell Automation to facilitate market readiness through use of their sensor and control technologies in the new WVU facility.

Paul McRoberts, regional industry mining, metals and cement manager at Rockwell Automation, a 30-year veteran of the industry, said that this is one of the most exciting projects he has been a part of during his career and is excited to see the results of the new facility.

The facility is the researchers’ phase two project, worth $3.38 million, funded by NETL with substantial matching funding from WVU’s private sector partners. It follows on an earlier, phase one project, worth $937,000, to study acid mine drainage as feedstock for rare-earth extraction. The goal of the pilot facility is to test the technical and economic feasibility of scaling-up the technology to commercialize the separation and extraction process.

In addition, the team will be working to define a U.S.-based supply chain including the sludges created during acid mine drainage treatment and upstream to the acid-mine drainage source.

Brian Anderson holding a sample of dried acid mine drainage sludge containing rare earth elements.  Photo by: M.G. Ellis

Neither rare nor earth

The name “rare earth elements” is a misnomer for important chemical elements that are actually neither rare nor earths.

A collection of 16 elements that hang off the bottom of the periodic table, they are moderately abundant but well dispersed in the Earth’s crust. They are identified as rare because it is unusual to find them in large concentrations.
The elements are all metals that carry very similar properties. In rare cases they are found in deposits together. Unlike an element such as gold, natural rare earth deposits never occur as pure metals, but are bonded in low-value minerals, making extraction challenging.

Conventional rare-earth recovery methods require an expensive, difficult and messy extraction process that generates large volumes of contaminated waste. China has been able to provide a low-cost supply of rare earths using these methods, and therefore, dominates the global market.

The conventional mining and extraction processes require mining ore from mineral deposits in rock, which is crushed into a powder, dissolved in powerful chemical solutions and filtered. The process is repeated multiple times to retrieve rare earth oxides. Additional processing and refining separates the oxides from their tight bonds and further groups them into light rare earths and heavy rare earths.

In usable form, these elements are necessary components of modern technologies. They are used in cellular phones, computers, televisions, magnets, batteries, catalytic converters, defense applications and many more segments of modern society.

Members of the WVU rare-earth research team from L to R: Paul Ziemkiewicz, director of the West Virginia Water Research Institute; Chris Vass, facility operator; and Xingbo Liu, professor and associate chair of research, Statler College of Engineering and Mineral Resources, in the new Rare Earth Extraction Facility at the WVU Energy Institute/National Research Center for Coal and Energy. Photo by: M.G. Ellis

Aaron Noble, associate professor of mining and minerals engineering at Virginia Tech, is a co-investigator on the project working with the WVU team.

Paul Ziemkiewicz, director of the West Virginia Water Research Institute and principal investigator on the project, is an expert in acid mine drainage. He found that acid mine drainage, a byproduct of coal mining, “naturally” concentrates rare earths. Active coal mines, and in many cases state agencies, are required to treat the waste, which in turn, yields solids that are enriched in rare earth elements.

“Acid mine drainage from abandoned mines is the biggest industrial pollution source in Appalachian streams, and it turns out that these huge volumes of waste are essentially pre-processed and serve as good rare earth feedstock,” Ziemkiewicz said. “Coal contains all of the rare earth elements, but it has a substantial amount of the heavy rare earths that are particularly valuable.”

Studies show that the Appalachian basin could produce 800 tons of rare earth elements per year, approximately the amount the defense industry would need.
“Currently, acid-mine-drainage treatment is a liability, an environmental obligation,” Ziemkiewicz said. “But it could turn into a revenue stream, incentivizing treatment and creating economic opportunity for the region.”

Two-step process

Ziemkiewicz, Xingbo Liu, professor of mechanical engineering in the Statler College of Engineering and Mineral Resources, and Aaron Noble, associate professor of mining and minerals engineering at Virginia Tech, have designed the processing facility from the ground up using advanced separation technologies. Chris Vass, PE, is the operator of the new facility and a Summersville, West Virginia, native.

The researchers are using a two-step process to separate the rare earths from acid mine drainage: acid leaching and solvent extraction, which they call ALSX.
Researchers will dissolve the sludge in an acid. That solution will then be transferred to glass mixers and settlers that will make an emulsion that allows the oil phase and its extractant chemical to grab rare earths from the water, leaving the non-rare earth base metals like iron in the water

When that process is completed, the rare-earth-laden organic liquid enters another series of mixers and settlers that will strip the rare earths out as a concentrated solution and precipitate the rare earths as a solid, creating a concentrated rare earth oxide that can then be refined and further concentrated into pure rare earth metals to supply the metal refining industry.
The goal of the project is to produce three grams of rare earth concentrate per hour.

“For example, scandium, one of these rare earths, is worth about $4,500 per kilogram as an oxide, the form that it will leave this facility,” Anderson said. After refining, it would be worth $15,000 per kilogram.”

Unused materials will be returned to the acid mine drainage treatment plant’s disposal system, resulting in a negligible environmental footprint.

“This process uses an existing waste product that is abundant in our region,” Ziemkiewicz said. “It is also much easier to extract and requires much milder acids and has negligible waste materials when compared to conventional rare-earth recovery methods.”

A team, led by John Adams, assistant director of business operations at the WVU Energy Institute, is also defining the supply chain, moving upstream to the source and working with coal-industry partners. By producing a purified product at the mine, researchers could reduce transportation and waste handling costs.

“This could go a long way toward creating new economic opportunity for West Virginia and the region and make treating acid mine drainage a financial boon instead of a financial burden,” said Anderson.

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Eight Transformative Technologies

Eight Transformative Technologies

Everybody has a list of transformative technologies. A news release from an advisory firm, ABI Research, came my way a few weeks ago. Its analysts came together and compiled a list of eight technologies they feel will be transformative in manufacturing and then they fit them with Smart Manufacturing. That latter phrase is one of the descriptors for the new wave of manufacturing strategy and technology.

We will have difficulty contesting the list. Most of these are, indeed, already well along the adoption path. I find it interesting that they refer to IIoT platforms, but they don’t view those as transforming technologies but rather as a sort of sandbox for the technologies to play in.

[This is a Gary aside—when an analyst firm makes a list of suppliers, I’d advise not considering it to be comprehensive. Rather the list is usually comprised of companies that the firm’s analysts get to sit down with and receive in-depth briefings.]

The ABI report identifies eight transformative technologies:

1 Additive manufacturing

2 Artificial intelligence (AI) and machine learning (ML)

3 Augmented reality (AR)

4 Blockchain

5 Digital twins

6 Edge intelligence

7 Industrial Internet of Things (IIoT) platforms

8 Robotics

From the ABI news release, “The manufacturing sector has already seen increased adoption of IIoT platforms and edge intelligence. Over the next ten years, manufacturers will start to piece together the other new technologies that will eventually lead to more dynamic factories less dependent on fixed assembly lines and immobile assets. Each step in this transformation will make plants and their workers more productive.”

“Manufacturers want technologies they can implement now without disrupting their operations,” says Pierce Owen, Principal Analyst at ABI Research. “They will change the way their employees perform jobs with technology if it will make them more productive, but they have no desire to rip out their entire infrastructure to try something new. This means technologies that can leverage existing equipment and infrastructure, such as edge intelligence, have the most immediate opportunity.”

ABI summary of its research

The transition towards a lights-out factory has started, but such a major disruption will require an overhaul of workforces, IT architecture, physical facilities and equipment and full integration of dozens of new technologies including connectivity, additive manufacturing, drones, mobile collaborative robotics, IIoT platforms and AI.

IIoT platforms must support many of these other technologies to better integrate them with the enterprise and each other. Those that can connect and support equipment from multiple manufacturers, such as PTC Thingworx and Telit deviceWISE, will last.

After decades of producing little more than prototypes, the AM winter has ended and new growth has sprung up. GE placed significant bets on AM by acquiring Arcam and Concept laser in 2016, and Siemens announced an AM platform in April 2018. Other leading AM specialists include EOS, Stratasys, HP and 3D Systems.

ML capabilities and simulation software have made digital twins extremely useful for product development, production planning, product-aaS, asset monitoring and performance optimization. Companies with assets that they cannot easily inspect regularly will significantly benefit from exact, 3D digital twins, and companies that manufacture high-value assets should offer digital twin monitoring as-a-service for new revenue streams. Innovative vendors in digital twins and simulation software include PTC, SAP, Siemens, and ANSYS.

The above technologies have already started to converge, and robotics provide a physical representation of this convergence. Robotics use AI and computer vision and connect to IIoT platforms where they have digital twins. This connectivity and AI will increase in importance as more cobots join the assembly line and work alongside humans. The robotics vendors that can integrate the most deeply with other transformative technologies have the biggest opportunity. Such vendors include the likes of ABB, KUKA, FANUC, Universal Robots, Rethink Robotics and Yaskawa.

“The vendors that open up their technologies and integrate with both existing equipment and infrastructure and other new transformative technologies will carve out a share of this growing opportunity. Implementation will go step-by-step over multiple decades, but ultimately, how we produce goods will change drastically from what we see today,” concludes Owen.

Salesforce Another Meeting of IT and OT

Salesforce Another Meeting of IT and OT

Here I go to yet another IT conference to talk convergence and platform. Salesforce invited me to its summer marketing conference in June and promised an interview with a Vice President. I could take my wife out to a good anniversary dinner, visit family, and go to a tech conference with a good interview all on one trip. Too good to pass up.

This was the Salesforce Connections conference. Not as big as Dreamforce in San Francisco, but still quite large by our standards in manufacturing.

Salesforce is more than the CRM company it was. Many acquisitions later, it has assembled an array of technology. Like all tech companies, it has a platform. In fact due to its open APIs, you could use it, too. Some time ago, I interviewed the CEO of a manufacturing ERP company called Kenandy that was build upon the Salesforce platform. Rootstriker, another ERP company build on the Salesforce platform, recently acquired Kenandy.

Featured in one keynote was an application by MTD, a manufacturer of lawn tractors (Cub Cadet, etc.). No, Salesforce doesn’t run machines. It does help connect the manufacturer with its end customers and then with its dealers with feedback to the manufacturer.

The idea is that customers do online research and so need to be reached in many ways (thus Salesforce marketing). MTD erected an online store on the Salesforce platform (in simplified terms) for direct to the consumer interaction. An order is fulfilled by the local dealer. The dealer still gets margin and relationship and as an extra added bonus, the opportunity for service business. Linking all back to MTD, it gets to know the customer, satisfies the dealer, plus receiving data from the service business feeds back into product development.

Achyut Jajoo, Salesforce VP automotive/manufacturing, told me industry is moving from product centric to system, e.g., autonomous vehicles, mobility services, digital signals; factory automation, geographic expansion, intelligence, vehicle sales. Mobility services lead to transaction service—over air updates, location based services.

He noted that people start online and mostly know what they want before visiting a dealer. Other manufacturing customers tying their whole sales systems back to manufacturing include John Deere and Ecolab.

“State of the Connected Customer” report

Before I went to the conference, Saleforce sent me this interesting report—a survey of over 6,700 consumers and business buyers worldwide that looks at the ever changing landscape of customers’ expectations, the emerging technologies influencing these expectations and the role trust plays in the customer experience.

Customers today are energized by tech innovations — but also plagued by deepening distrust of the companies that provide them. They have high expectations about what makes a great customer experience, and not a lot of patience for companies that fail to deliver.

These trends impact every company, regardless of whether they sell to consumers or business buyers purchasing on behalf of their companies. In this research, “customers” is an aggregate of both consumer and business buyer responses.

The report dives into the nuances of this tricky customer landscape. Here are five of the high-level findings our research brought to light:

1. Customer experience matters even more than you think

Eighty percent of customers say that the experience a company provides is as important as its products or services. A majority take this sentiment a step further by voting with their wallets; 57% have stopped buying from a company because a competitor provided a better experience.

2. B2B expectations mirror B2C standards

The concept of “B2Me” isn’t new, but it’s gathering steam. Eighty-two percent of business buyers want the same experience as when they’re buying for themselves. But only 27% say companies generally excel at meeting their standards for an overall B2B experience, signaling ample room to improve.

3. Companies face new connected mandates

For 84% of customers, being treated like a person — and not a number — is very important to win their business. Another 70% say connected processes are very important to win their business (such as seamless handoffs between departments and channels, or contextualized engagement based on earlier interactions).

Even before a purchase, personalization is hugely important; 59% of customers say tailored engagement based on past interactions is very important to win their business.

While they buy, 78% of business buyers seek salespeople that act as trusted advisors with knowledge of their needs and industry.

4. Technology sets new benchmarks for innovation

Real innovation, not lip service, is a deciding factor for most customers. 56% of customers (including 66% of business buyers) actively seek to buy from the most innovative companies.

While some emerging technologies are only starting to take root, a majority of customers say these technologies have transformed (or are actively transforming) their expectations: the Internet of Things (60%), voice-activated personal assistants (59%), and AI (51%).

5. Facing a crisis of trust: finding the balance between personalization and privacy

Sixty-two percent of customers say they’re more afraid of their data being compromised now than they were two years ago — and nearly half of customers (45%) feel confused about how companies use their data.

82% of customers will share relevant information about themselves in exchange for connections between their digital and in-person experiences.

81% of customers will share relevant information about themselves in exchange for more consultative help from salespeople.

85% of customers will share relevant information about themselves in exchange for proactive customer service.

For 92% of customers, the ability to control what personal information is collected makes them more likely to trust a company with that information.

Salesforce Another Meeting of IT and OT

HPE Unveils Enhanced Edge Solutions

Antonio Neri, CEO and President of Hewlett Packard Enterprise (HPE), used the phrase “Data is the new currency, memory the new gold” in his keynote to the company’s annual US customer conference Discover in Las Vegas in June. Just one of the many places I’ve been lately.

If you haven’t planned for data in your machine and process control designs, you had best begin.The race for improved operations performance is on now.

We talk often of “edge” in the world of Internet of Things or Industrial Internet of Things. The edge has many definitions, but it can be defined as any place outside a data center. PLCs, for example, not only perform logic control, but they also aggregate data from perhaps thousands of sensors. SCADA devices and industrial computers also collect and channel data from a few to many sensors and data sources.

Business operations managers are hungry for this data to feed their information systems that in turn fuel their business decisions. Data in context is information. Information correctly presented to decision makers leads to better, faster decisions—and a competitive edge.

This search for competitive edge has moved me from an emphasis on control and automation (something we still need to do well) to Industrial Internet of Things. The IIot is taken by many as a similar strategy to Industrie 4.0 or Smart Manufacturing or whatever different countries call their strategies. This means I’m looking at a new generation of edge computing, enhance networking standards, human-centered design for mobile visualization of data, and even Augmented Reality (AR) and Artificial Intelligence (AI). These are not far-out technologies any longer. They are here and applications are growing.

Neri talked about the future as edge-centric, cloud-enabled, data-driven. He said the edge is where the action is, where the data is created. HPE is going to invest $4 billion in the intelligent edge over the next 4 years.

The company announced a new edge computing device with enterprise grade computing power (far beyond a PC) plus up to 48TB (yes that’s Tera not Giga) of memory. Oh, and it also comes in an environmentally hardened package. The CTO of Murphy Oil talked of using these on off-shore oil rigs.

Texmark Chemicals is a Houston, Texas based petrochemical refiner. I had several opportunities to talk with them about their IoT projects. They orchestrated an ecosystem of 12 suppliers initially to instrument critical pumps in their process in order to achieve predictive maintenance. This potentially saves the company millions of dollars by avoiding catastrophic failure. (Note: I previously wrote about the Texmark use case here–and expect more to come.)

Back to the announcement from HPE about the new edge product—a family of edge-to-cloud solutions enabled by HPE Edgeline Converged Edge Systems to help organizations simplify their hybrid IT environment. By running the same enterprise applications at the edge, in data centers and in the cloud, the solutions allow organizations to more efficiently capitalize on the vast amounts of data created in remote and distributed locations like factories, oil rigs or energy grids.

(Dr. Tom Bradicich wrote a blog post you can find here.)

HPE’s new edge-to-cloud solutions operate unmodified enterprise software from partners Citrix, GE Digital, Microsoft, PTC, SAP and SparkCognition, both on HPE Edgeline Converged Edge Systems – rugged, compact systems delivering immediate insight from data at the edge – and on data center and cloud platforms. This capability enables customers to harness the value of the data generated at the edge to increase operational efficiency, create new customer experiences and introduce new revenue streams. At the same time, edge-to-cloud solutions enabled by HPE Edgeline simplify the management of the hybrid IT environment, as the same application and management software can be used from edge to cloud.

“The edge is increasingly becoming a centerpiece of the digital enterprise where things and people generate and act on massive amounts of data,” said Dr. Tom Bradicich, Vice President and General Manager, IoT and Converged Edge Systems, HPE. “Our edge-to-cloud solutions help bring enterprise-class IT capabilities from the data center to the edge. This reduces software and IT administration costs, while accelerating insight and control across the organization and supply chain.”

HPE also announced the HPE Edgeline Extended Storage Adapter option kit, adding up to 48 terabytes of software-defined storage to HPE Edgeline Converged Edge Systems. This enhancement enables storage-intensive use cases like artificial intelligence (AI), video analytics or databases at the edge, while leveraging industry-standard storage management tools such as Microsoft Storage Spaces, HPE StoreVirtual VSA, and VMware vSAN.

Eight Transformative Technologies

More Accurate Location Services

I met with the representative of an interesting company with a different take on indoor location services. Years ago I listened to a podcast called the Gillmor Gang and a famous (at the time) blogger Robert Scoble was always extolling the virtues of beacons. They will be everywhere and do all sorts of things, he repeated like a mantra.

Things got quiet, then I met Quuppa at Hannover Messe 2018. They have a beacon that has multiple antennas that does a better job of location than trying some of the older triangulation technologies.

The company has just announced a partner event, something that gives me an excuse to point you toward something interesting. I’m assuming that few if any of my readers are heading to Finland any time soon.

Quuppa, a Finnish company that delivers indoor positioning technology, announced its second annual partner event will take place June 5-7 in Helsinki, Finland. With a theme of “Defining the Future,” the event will feature speakers from Quuppa and its partner ecosystem, networking events and a Solutions Showcase Expo that demonstrates the current and future capabilities of real-time, global indoor location services and solutions. The event demonstrates the success Quuppa has had delivering on its go-to-market strategy that centers on providing an open positioning platform both in terms of hardware and software APIs, where each company focuses on what it does best, helping speed time-to-market.

The event will also highlight a day of presentations featuring “success stories,” with case study presentations that showcase the wide range of use cases for Quuppa’s unique indoor location technology. Featured success story topics include improving efficiency and customer experience in retail, asset tracking in large scale, Industry 4.0, manufacturing use cases from Japan, safety in a secure environment, generating business KPIs from location data, and employee safety indoors and outdoors.

Quuppa utilizes a unique combination of Bluetooth Low Energy (BLE) and the Angle of Arrival (AoA) methodologies, as well as advanced location algorithms that have been developed over the course of more than 15 years, to calculate highly accurate indoor positioning.

The Quuppa Ecosystem includes more than 70 best-of-breed companies worldwide that deliver best-in-class software solutions, tags and installation services, as well as system integrators and solution providers that offer end-to-end solutions. Companies across a wide range of industries, including manufacturing and logistics, retail, healthcare, sports, law enforcement and security, government and others rely on Quuppa and its ecosystem partners to unlock the full potential of indoor location-based services without compromising accuracy, compatibility or cost.

“Quuppa’s ecosystem continues to thrive, and our partner event is a place to gather and share expertise and best practices for global indoor location services,” said Fabio Belloni, head of Quuppa’s Partner Ecosystem. “What we are seeing more of as the ecosystem expands is partner companies seeking answers from their peers—not just from Quuppa—on wide-ranging topics such as how to launch a large-scale deployment, how to forge partnerships to grow in new geographic areas, how to best conduct a demo, and more. Companies are realizing they no longer need to develop everything on their own, they can choose best-of-breed solutions from our incredible ecosystem partners. It’s amazing to see how quickly the Quuppa Ecosystem is growing and the unique partnerships that are forming because of it.”

One such partnership that has emerged within the Quuppa Ecosystem is between Japanese motor manufacturer Nidec Corp. and Synapses Lab, an Italian technology design company. The companies work together utilizing Quuppa’s precision location technology, Synapses’ platform for tracking and 3D modeling, and Nidec’s electronics and engineering expertise to develop autonomous solutions that will deliver improved productivity and security in the manufacturing industry.

“Building a solid and reliable ecosystem is essential for our company,” said Domenico Mariotti, CEO and cofounder of Synapses. “Such a system enables us to tackle new challenges and different use cases every day, sometimes beating any expectations we ourselves had for our solutions.”

“In the Japanese manufacturing industry, some early birds are now trying to introduce IoT to their factories,” said Hiroshi Mochizuki, Small Precision Motor and Solutions business unit at Nidec. “They do not allow position data to have jitter, so Nidec decided to select Synapses’ platform utilizing the Quuppa Ecosystem. Synapses has successfully developed its platform, of which the filtering capability and database structure is duly optimized for Quuppa’s technology. Nidec strongly believes that problem-solving requests by its customers will be soon made, and good results in increase of productivity and security are expected to become visible in a short period of time, thanks to the availability of Synapses platform.”

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