Umwelt- und Ingenieurtechnik GmbH Dresden

Booth number 6115N-7

www.uit-gmbh.de

About us

Umwelt- und Ingenieurtechnik GmbH Dresden (UIT), Germany, is specialized in Mineral Resources, Environmental Monitoring and Water Technology, focusing on in-situ recovery (ISR) of technology metals. Main activities include consulting, full-scale engineering, manufacture and practical implementation of technical systems, and turn-key plant construction in the above business areas. UIT operates two technical centers for lab and pilot scale testing: water technology and hydrometallurgy. Complementarily, UIT develops and actively applies dedicated software tools for computer simulations in (3D) hydrology, geochemistry/reactive-transport, chemical processing, etc. – mainly regarding mining and environmental/remediation applications. Most important, UIT is actively involved in industrial in-situ mining operations covering exploration (e.g. borehole logging) and prospect development, planning (hydrology/leaching chemistry), engineering (recovery and processing), post-mining remediation, and management.

Products and services

Column Leach Test Facility (saturated flot):is designed according to international standards, operating a 3-channel system either in horizontal or vertical flow.
oreLOG (Advanced Borehole Logging Tool):is for multi-functional geophysical logging and applicable to most technology metal deposits.
3D Geological and Hydrological Modeling:Geological/Geochemical/Hydrological interpretation and 3D modeling (GOCAD/Micromine/WellCAD/FEFLOW/PhreeqC and in-house software aquaC, TRN and KiLea) including structural mapping and interpretation, geochemical and petrological modelling, interpretation and visualization of mineralization patterns and target generation.
Extractive (Hydro-)Metallurgy and Mineral Processing:UIT provides expert know-how on the relevant technologies and licensing steps required for extracting technology metals (REE, PGE, etc.) and for separation of associated naturally occurring material (NORM) and processing of radioactive elements such as uranium (U), thorium (Th), and their decay products.

Column Leach Test Facility

The column leach test facility (saturated flow) is designed according to international standards, operating a 3-channel system either in horizontal or vertical flow. Operational parameters are in accordance to realistic ISR wellfield conditions (aquifer temperature and pressure, pore volume exchange rate) and are monitored by real-time data logging/control. Drill cores and bulk samples can be tested and analyzed for ISR feasibility and performance.

Further reading

oreLOG (Advanced Borehole Logging Tool)

oreLOG (Advanced Borehole Logging Tool) for multi-functional geophysical logging: applicable to most technology metal deposits:
- Improve accuracy/precision of ore grade logging
- Integrate lithological logging (host rock lithology, geophysical/hydrological parameters)
- Integrate mineral logging (most reactive minerals)
- Measure borehole geometry (size, inclination)
-> Improved database for ISR planning
-> All by ONE tool (economic effect)

Further reading

3D Geological and Hydrological Modeling

Geological/Geochemical/Hydrological interpretation and 3D modeling (GOCAD/Micromine/WellCAD/FEFLOW/PhreeqC and in-house software aquaC, TRN and KiLea) including structural mapping and interpretation, geochemical and petrological modelling, interpretation and visualization of mineralization patterns and target generation.
Reactive transport modeling for ISR and in groundwater incl. post-mining remediation (natural attenuation, enhanced natural attenuation, in-situ remediation)

Further reading

Address
Umwelt- und Ingenieurtechnik GmbH Dresden
Zum Windkanal 21
01109 Dresden
Germany

Phone: +49 351 8864600
Fax: +49 351 8865774
Internet: www.uit-gmbh.de
E-mail: Send message

Contact person

Micha Zauner
Head of Mineral Resources
Phone: +49 351 8864609
E-mail: Send message

News & Innovations

oreLOG
Geophysical borehole logging constrains petrophysical parameters of the ore body and the host rock – instead of biased drill core interpretation. However, often the parameters measured by common standard commercial geophysical probes provide insufficient constraints on ore-body properties. Such properties are often ambiguous, i.e. constraints are weak. Well measured, petrophysical parameters provide an important link to seismic survey data as they allow to constrain interval velocity models, and therefore to generate 3D models of the ore body.
UIT‘s geophysical borehole logging tool oreLOG provides petrophysical key-constraints allowing you to make the next key exploration decision. It utilizes a pulsed neutron generator to enable precise measurements of geochemistry and mineralogy of the ore body and host rock. The oreLOG logging system captures both mineralogy and ore grade; it measures porosity, deduced permeability, hole inclination, and further parameters with high accuracy.

Further reading
Dynamic Column Leach Tests
The aim of dynamic column leach tests (DCLT) is the quantification of leach performance and leach kinetics under conditions close to those of the ore deposit. Therefore, completely undisturbed cores from the mineralized samples are used. These tests allow a better understanding of the effect of the ore-lixiviant contact on the leaching performance. In addition, permeability enhancement methods such as acidification can be tested as well. Operational parameters are in accordance to realistic ISR wellfield conditions (porosity/permeability, aquifer temperature and pressure, pore volume exchange rate) and are monitored by real-time data logging/control. Undisturbed drill cores can be tested and analyzed for ISR feasibility and performance, while all relevant parameters (EC, pH, ORP, elemental concentration) are recorded. A reliable metal recovery curve will be generated which serves as basis of any operational and economic assessment.
Further reading
REE Separation
UIT is currently operating a large-scale hydrometallurgical pilot plant in Germany. Preliminary results, using proprietary technology, indicate the successful extraction of Nd/Pr and other REE, contained in a high-purity rare earth oxide (REO). UIT will continue to operate the pilot plant to produce REO from ore obtained at Rare Element Resources Bear Lodge Project in Wyoming. Once sufficient REO is produced, UIT will begin the separation test phase. The separation pilot plant test will utilize the enhanced proprietary technology to produce several products- a high-purity neodymium/praseodymium (Nd/Pr) oxide, lanthanum (La) oxide, and a mixed mid-and heavy rare earth concentrate. The enhanced process is expected to significantly reduce process steps and operating costs as well as further reduce environmental impacts and associated costs.

Further reading

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