FUEL & FUEL CYCLE | MINING INNOVATION
Right: In-Situ Recovery (ISR) uranium mining, it offers a low-impact environmentally friendly approach to uranium production. Source: UIT
where needed. Computerised sensors and groundwater monitoring ensures compliance with safety standards for decades after closure. This systematic procedure not only ensures environmental protection but allows land to be released back to agriculture or conservation use, facilitating long-term regional development.
While critics tend to question whether ISR leaves long-
term ground pollution, recent scientific work demonstrates the self-restoration properties of geological environments. After the mine closure, natural geochemical processes and microbial activity gradually eliminate any existing leaching solution that remains. Sulphate-reducing bacteria convert sulphates into sulphides, precipitating heavy metals. Denitrifying bacteria remove nitrogen compounds, releasing harmless nitrogen gas. Geochemical processes immobilise any residual pollutants, enhancing the quality of the groundwater. Results from observations at locations in Kazakhstan, Uzbekistan, and Russia confirm that concentrations of pollutants in depleted ISR mines drop to background values over a period of a few years. This natural attenuation reduces the cost of reclamation and solidifies the fact that ISR is the least environmentally damaging mining method available. Reclamation is a part of ISR operations. Compared
to traditional mining, where rehabilitation entails remodelling landscapes and dealing with huge tailings, ISR reclamation is precise and affordable. Wells are cement-bentonite grouted, groundwater is treated by natural microbiological activity, surface structures are dismantled, topsoil restored, and reforestation carried out
A route to sustainable development The global uranium market will expand as countries commit to increasing nuclear capacity three-fold by 2050. The International Energy Agency has said that investments in nuclear are at their highest level since the 1970s, driven by the move towards clean energy and growing demand for data-intensive industries. For Namibia, it is challenge and opportunity. Economic development will be driven by the exports of uranium and creating high-skilled jobs. Domestic uranium resources would be able to meet future small modular reactors’ demand, enhancing energy security. Foreign alliances would bring investments, technology transfer, and infrastructure growth. Importantly, ISR ensures that this growth does not occur on the back of agriculture or ecosystems. The future of uranium mining is not merely in how much is being mined, but how it is being mined. In-Situ Recovery is the paradigm shift towards environmentally- friendly mining that balances economic development and the preservation of the environment. Its proven track record all over the world place it as the natural solution for sustainable uranium development. With the addition of advanced monitoring, community engagement, and reclamation practices, uranium-producing nations like Namibia can ensure that the extraction of resources does not undermine but rather promotes long-term sustainability given best practices demonstrate that conservation, farming, and mining are not incompatible. As the world transforms to clean energy and demand
for uranium grows, ISR presents a model of what the future holds: a technology where technology, nature, and human advancement converge to not just construct a cleaner source of energy but a better and more sustainable world. ■
Right: Traditional mining methods like open pit involve mass overburden and ore mining, negatively impact landscapes and leaving behind massive volumes of waste.
16 | January 2026 |
www.neimagazine.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45
