A sustainable future relies upon sustainable future minerals.

This is what we do.

Pioneering the Future of Sustainable Mineral Recovery

Geo40 is a global leader in recovering strategic minerals from geothermal brines, groundwater, and produced waters from oil and gas operations.

Our innovative technology transforms these geofluids into valuable, low-carbon resources, supporting industries seeking sustainable sources of minerals for their use in modern technology.

Powering progress with Low-Carbon, High-Impact Mineral Solutions

Our pioneering team is tackling today’s climate-critical challenges, delivering cutting-edge technology to permit the sustainable recovery of strategic minerals.

Geo40’s world-first commercial Northern Plant processes around 6,000 tonnes of geothermal fluid per day, extracting approximately 3,000 tonnes per year of high-value colloidal silica from a New Zealand geothermal brine, setting the benchmark for sustainable mineral recovery.

Sustainability is at the core of everything we do and stand for. We believe our silica products have the lowest carbon footprint in the industry, as evidenced by the Environmental Product Declaration undertaken on one of our principal silica products.

Geo40 is now applying everything that we have learnt in sustainable silica recovery to the challenge of direct lithium extraction (DLE). We aim to deploy exceptional technology to satisfy the emerging demand for sustainable lithium, supporting a global movement towards electric mobility and decarbonisation.

By choosing Geo40’s sustainably recovered minerals, industries can reduce their carbon impact and contribute to a cleaner, greener future.

Geothermal Silica: Geo40’s Direct Silica Recovery Technology

At Geo40, we are actively working to license our groundbreaking silica recovery technology to geothermal power station owners and operators globally. By partnering with industry leaders, we enable sustainable silica recovery, helping operators prevent scaling, extend reinjection well life, facilitate additional electricity generation, and enhance overall operational efficiency.

Our proven technology is already making a difference—now, we’re ready to scale its impact at a worldwide level.

If you see value in your geothermal assets, please get in touch.

Lithium: Geo40’s Direct Lithium Recovery Technology

At Geo40, we’ve developed our own proprietary Direct Lithium Extraction (DLE) technology, which we have proven can be widely applied to different brine types globally. We have processed geothermal, continental, and produced waters successfully, making battery-grade lithium products in almost every case.

We have recently completed a year-long tour across North American produced waters, using wellhead-based pilots to validate our technology across a diverse range of brines.

Looking ahead, we are gearing up to launch our pre-commercial demonstration plant in 2025, marking a significant step toward large-scale lithium recovery.

If you see potential to recover lithium from your brine, please get in touch.

Why Geo40?

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Geo40's mobile lithium pilot plant on tour in North America

Lithium North American Tour 2024/25

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