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GeoResources - Mining, Tunnelling, Geotechnics, Energy - News, Events and Journal

29.05.2020 (676 Clicks)

Fire in Crushing Station at Boliden Kevitsa

During last night a fire occurred in the building for primary crushing in Boliden´s mine Kevitsa, located in Finnish Lappland.

 

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29.05.2020 (616 Clicks)

LKAB produces Apatite from Mine Waste in a new Pilot Plant


LKAB is developing technology to recycle mine waste to produce phosphorus mineral fertilisers, rare earth elements (REEs), fluorine and gypsum, in a project called ReeMAP. The first step is to use the mine waste to produce an apatite concentrate, something LKAB is now doing in their pilot plant.

Leif Boström, senior Vice President for Business Area Special Products and CEO of LKAB Minerals, which is managing the development within LKAB, explains “We are now up and running with the first step, to produce apatite concentrate, although in a pilot scale. We need to test, verify and plan this production thoroughly to obtain the right yield and cost of production. Additionally, we are planning for a production that is energy efficient and carbon dioxide-free.”

The pilot plant is built on container platforms to allow it to be moved within and between LKAB’s production plants in Malmberget and Kiruna, in Northern Sweden. Tests with tailings sand (waste material which is a by-product of mining) from the two mines and the respective processing plants will be carried out in campaigns. Right now, a production campaign is underway in Malmberget. The process has multiple steps, flotation is the key principle applied to separate the apatite from the non-valuable tailings. This process is repeated in several steps to obtain a high purity product with the right specification for further processing.

The further processing will be done using innovative chemical processing, that LKAB is working intensively to develop. Here, the apatite will be processed into phosphorus mineral fertilisers, rare earth elements, fluorine and gypsum. Phosphorus and REEs are listed by the EU as Critical Raw Materials due to their high economic importance and our import dependence. But right now, Leif Boström is pleased to be able to inform of the successes with the apatite production that is the needed first step.

”We estimate that a full scale production from Malmberget and Kiruna will produce around 400,000 tonnes of apatite concentrate annually, in two plants that will be of similar size to our existing iron ore concentrating plants. When we can be up and running depends on the technical developments and the pre-engineering, but also relies heavily on external factors such as environmental permits. Our objective is to recycle our mine tailings to critical raw materials, and the sooner the better” Leif Boström concludes.

Source: LKAB



LKAB, produces, Mine, Waste, Pilot, Plant, Apatite, Phosphate, Mining, recycling, Research, Development

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27.05.2020 (692 Clicks)

EGEC: Carbfix and Eavor Geothermal Innovators of the Year

This year the Ruggero Bertani European Geothermal Innovation Award 2020 was earned by the Icelandic Carbfix project and German company Eavor on equal merit.

The Carbfix process captures CO2 and other sour gases from emission sources, transforming them into rocks underground in less than two years. This overturns the common view that mineral storage in Carbon Capture & Storage projects takes hundreds to thousands of years. Carbfix has global scaling potential in and beyond the geothermal industry for decarbonising the economy.

Eavor’s innovation is a novel and scalable closed-loop geothermal system of several deep horizontal wells connected to vertical wells. This overcomes the limitation of deep geothermal systems, which normally rely on vertical single wells only. By running on thermosiphon, it also enables the geothermal industry to offer both a baseload and dispatchable energy source.

 

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27.05.2020 (969 Clicks)

Petropavlovsk: Retirement of Chairman - Board Changes

Petropavlovsk PLC announced the appointments of Ms Fiona Paulus and Mr Tim McCutcheon as Independent Non-Executive Directors with immediate effect. It also announces that Sir Roderic Lyne will retire from the Board following the Company's Annual General Meeting on 30 June 2020 and will be succeeded by Ms Paulus as Chairman.

 

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26.05.2020 (758 Clicks)

Solution Partner - SIEMAG TECBERG GmbH partners with SIEMENS AG for Automation and Drive Technology

SIEMAG TECBERG announced the expansion of a customer / supplier relationship and partnership that has existed for many years between Siemens and SIEMAG TECBERG.

Within the scope of this supplier relationship, Siemens produces and supplies automation and drive technology products based on the design and engineering of SIEMAG TECBERG.

 

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25.05.2020 (782 Clicks)

More Gas Exploration for Queensland

Santos and Denison to pump more Queensland gas

Queensland continues to take the lead on gas supply for the domestic market, with Santos and Denison Gas the latest to take up the hunt in the state’s proven gasfields.

 

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22.05.2020 (678 Clicks)

Hatch named one of Australia's Top Intern Programs

For the third year in a row, Hatch has ranked in a list of Australia’s Top Intern Programs for 2020. Hatch placed seventeenth in the list of the top forty intern programs, which are providing amazing educational opportunities for students and young professionals across the nation.

 

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20.05.2020 (756 Clicks)

Femern A/S activates Contracts

On 12 May 2020 Femern A/S has activated the conditioned contracts on ’Tunnel North’, ’Tunnel South’ and ’Ramps and Portals’ that were signed between Femern A/S and the construction consortium Femern Link Contractors (FLC) on 30 May 2016.

 

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20.05.2020 (705 Clicks)

Flatiron awarded Rehabilitation and Lane Replacements Project in Los Angeles

Flatiron has been awarded a contract for a key project to rehabilitate a nearly 10-mile stretch of State Route 210 in the Los Angeles community. Work on the more than $135 million contract for the California Department of Transportation (Caltrans) is expected to commence later this spring. Flatiron is one of the largest infrastructure contractors in North America.

 

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19.05.2020 (672 Clicks)

Mann+Hummel Filter Cubes now also provide clean Air in Heilbronn, South Korea and Brazil

 

  • 26 filter columns to be installed on main traffic road in Heilbronn
  • Filter Cubes in leisure park and residential complex near Seoul reduce air particulate matter
  • In Brazil, Mann+Hummel is helping to reduce particulate matter in the center of Indaiatuba
 

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J. D. Theile GmbH & Co. KG
Latest Articles

23.12.2022 

Mine Water as a Resource for Critical Raw Materials in GermanyMine Water as a Resource for Critical Raw Materials in Germany

The new IAW33 research project being carried out by the Research Centre of Post-Mining at TH Georg Agricola University of Applied Sciences (THGA) is looking at the possibilities for extra...  

#RAG Aktiengesellschaft #Mining #abandoned mining #environment protection

20.10.2022 

How a Generation Change can succeedHow a Generation Change can succeed

The BEUMER Group has had a new CEO since June 1, 2022. The previous and the new CEO explain how a generation change like this can succeed....  

#BEUMER Group GmbH #Mining #Tunnelling #underground mining #surface mining, quarrying #Conveyor technology

18.07.2022 

Lo Ruiz Tunnel – a strategic Plan for the ­Development of Santiago de ChileLo Ruiz Tunnel – a strategic Plan for the ­Development of Santiago de Chile

A tunnel project is planned in the context of the urban development operation for the capital and biggest city in Chile, Santiago de Chile. The article gives an insight into the traffic and the geol...  

#Tunnelling

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moduscom unternehmenskommunikation - die etwas andere Art der Werbe-Dienstleistung
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UCT 2023 - 28th Annual Underground Construction Technology


20.02.2023 - 23.02.2023

GEOAFRICA 2023


26.02.2023 - 01.03.2023

MINEXCHANGE 2023

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Initiative zur Förderung der Rohstoffkultur
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World’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable Engineering

World’s longest Railway Tunnel Project – supported by innovative Conveyor Digitalisation and reliable Engineering

17. October 2022 (601 Clicks)

The consortium BTC Brennero Tunnel Construction and the Hosch Group jointly delivered on a world-class tunnelling project by combining excellent engineering with the innovative remote monitoring system Hoschiris Discover.  

#Brennero Tunnel Construction (BTC) #HOSCH-Foerdertechnik Recklinghausen GmbH #Tunnelling #Traffic tunnels #Conveyor technology #Digitalisation

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Books / Bücher
RAG-Technikchronik - Buch 1: Technikentwicklung und Forschung der RAG

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27. December 2019 (2783 Clicks)

Das Buch 1 "Technikentwicklung und Forschung der RAG" behandelt zusammenfassend die Ergebnisse der Bücher 2 bis 6 und ergänzt um das Thema Lagerstätte aus dem Buch 7. Das Thema „Forschung und Entwicklung“ wird genauso behandelt, wie der Streckenausbau, die Entwicklung der Technikbereiche, die Bergwerksautomatisierung und die Unternehmensdigitalisierung.  

#RAG Aktiengesellschaft #Mining #Digitalisation

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IVGeobaustoffe, Geokunststoffe, Wasserbau, Straßenbau, Verkehrswegebau, Straßenoberbau, Asphalteinlagen, Erd- und Grundarbeiten, Umwelttechnik, Deponiebau, Eisenbahnbau, Geotextil
IVGeobaustoffe, Geokunststoffe, Wasserbau, Straßenbau, Verkehrswegebau, Straßenoberbau, Asphalteinlagen, Erd- und Grundarbeiten, Umwelttechnik, Deponiebau, Eisenbahnbau, Geotextil
Southern African-German Chamber of Commerce and Industry
IVGeobaustoffe, Geokunststoffe, Wasserbau, Straßenbau, Verkehrswegebau, Straßenoberbau, Asphalteinlagen, Erd- und Grundarbeiten, Umwelttechnik, Deponiebau, Eisenbahnbau, Geotextil
Southern African-German Chamber of Commerce and Industry
EXPROTEC GmbH
23. Kolloquium Bohr- und Sprengtechnik 2023

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Europe’s largest Deposit of Rare Earth Metals is located in the Kiruna Area

12.01.2023 (307 Clicks)

Europe’s largest Deposit of Rare Earth Metals is located in the Kiruna Area

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