US-based DISA Technologies says it has wrapped up a US$33 million strategic financing that will enable it to accelerate deployment of its patented High-Pressure Slurry Ablation (HPSA) technology at brownfield mines and domestic uranium remediation sites.
BHP Ventures joined San Francisco-based Galvanize in DISA’s latest raise, which the Wyoming-based company said took equity financing so far to about $83 million.
DISA, judged to have secured the Best Mining-tech Financing in InvestMETS.com’s 2025 Global Mining Technology Awards, described last year’s initial 100-tonnes-per-hour HPSA installation at Lundin Mining’s Eagle nickel-copper operation in Michigan as “a major milestone in the industrial deployment of DISA’s breakthrough mineral processing technology”.
The company says it has three commercial-scale HPSA users plus a unit in production and bound for Australia. At least six pilots are ongoing “across multiple minerals including copper, silver, gold, moly and coal” along with iron ore, uranium and rare earths test campaigns.
In September last year the US Nuclear Regulatory Commission (NRC) issued a licence to DISA to recover uranium from abandoned domestic sites. NRC estimates put the number of sites with abandoned uranium mine waste at a staggering 15,000 or so including 4200 defence-related uranium mine (DRUM) sites that supplied uranium ore to the US Atomic Energy Commission between 1947 and 1970.
The uranium remediation sites are concentrated in Colorado, Utah, New Mexico, Arizona and Wyoming.
DISA expects to start remediation projects later this year and says it has more than 100 abandoned uranium mine sites “secured under contract”.
“This financing marks a key milestone in DISA’s growth as a platform for critical mineral processing and domestic uranium remediation,” CEO and co-founder Greyson Buckingham said.
“With the support of Galvanize, BHP Ventures and our existing investors we are accelerating commercialisation and scaling deployment of our technology to meet a growing national need.”
Existing investors include Evok Innovations, Constellation Energy, Halliburton Labs, Valor Equity Partners and Veriten, who were said to have continued participation in the latest funding round.
“DISA’s technology stands out for its ability to unlock value from both existing operations and legacy assets and to do so with speed and efficiency,” Galvanize co-head of venture and growth Cliff Ryan said.
BHP new business ventures vice president Laurel Buckner said HPSA was designed for “broad deployment”.
“As operating costs increase across the supply chain and global demand continues to grow, we see the opportunity for critical minerals recovery to unlock future value,” she said.
