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Giấy phép số 4978/GP-TTĐT do Sở Thông tin và Truyền thông Hà Nội cấp ngày 14 tháng 10 năm 2019 / Giấy phép SĐ, BS GP ICP số 2107/GP-TTĐT do Sở TTTT Hà Nội cấp ngày 13/7/2022.
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If you blinked, you might have missed it: U.S. stocks are largely green again. The S&P 500 is up by 1.1% as of 2 p.m. ET, aiming for the eighth positive daily move in the last nine market days. The Nasdaq-100 index is jumping even higher with a 1.6% gain…
BacTech Environmental Corporation (CSE:BAC, OTCQB:BCCEF) clarified that Mirarco is a co-inventor of BacTech’s Zero Tailings™ technology. The company said Mirarco’s contribution was mistakenly omitted from an earlier announcement and thanked Dr. Mykytczuk and Mirarco for their leadership and ongoing partnership in bringing the innovation to market.
BacTech said the technology development was supported by research funds secured through MIRARCO from Natural Resources Canada’s Critical Minerals Research Development and Demonstration program, the Strategic Innovation Fund through the Mining Innovation Commercialization Program, Ontario Centre of Innovation, the Critical Minerals Innovation Fund (Ontario Ministry of Energy and Mines), and the Northern Ontario Heritage Fund Industrial Research Chair Program. The company also cited institutional support through Laurentian University and Cambrian College, along with industrial support from Vale Base Metals.
BacTech described itself as a commercial bioleaching company that uses naturally occurring bacteria to recover valuable metals while stabilizing harmful elements such as arsenic. The company is advancing a fully permitted 50-tonne-per-day bioleach facility in Tenguel–Ponce Enríquez, Ecuador, and developing its proprietary Zero-Tailings critical minerals recovery technology in Sudbury, Canada with Mirarco.
BacTech announced national patent filings for its proprietary Zero Tailings™ technology in both Canada and the United States. The filings were made April 14, 2026, following the company’s original international (PCT) patent application filed April 7, 2025.
The company said the filings are intended to support commercialization of a process it believes could change how the mining industry manages waste. BacTech noted that mining generates hundreds of millions of tonnes of tailings each year and that tailings ponds can create long-term environmental liabilities, including acid mine drainage and heavy-metal contamination. It said Zero Tailings™ is designed to eliminate this liability entirely.
BacTech said Zero Tailings™ combines its bioleaching technology with existing downstream processing technologies to put every element present in a tailing into solution and then recover each element as a saleable product. Applied to sulphide and iron tailings, the company said the process produces four principal product streams:
BacTech said the design is intended to extract a product from every element present in the tailing, leaving no residual waste stream, which it said is the basis for the “Zero Tailings™” name.
BacTech said the timing of the patent filings is significant for global agriculture. It cited conflict in the Middle East as having disrupted shipping through the Strait of Hormuz, which it described as a critical chokepoint for fertilizer trade. The company said an estimated 30% of globally traded fertilizer passed through the Strait of Hormuz in 2024.
BacTech said the resulting supply shock has driven nitrogen fertilizer prices higher, with urea prices up as much as 49% and ammonia up approximately 20% since the disruption began. The company said this has increased pressure on farmers in North America and globally.
BacTech stated that its Zero Tailings™ process produces ammonium sulphate, a dual-nutrient fertilizer providing both nitrogen and sulphur, as a by-product of treating sulphide and iron tailings. The company said conventional fertilizer production relies on natural gas feedstocks and long international supply chains, while its ammonium sulphate is generated through a biological process applied to existing mining waste stockpiles.
The company said this approach can support domestically producible, sustainably derived fertilizer that can be manufactured in Canada and the United States, independent of the geopolitical supply disruptions affecting global food security.
“While farmers are facing historic fertilizer costs driven by instability halfway around the world, BacTech is developing a process that produces ammonium sulphate fertilizer right here at home — from mine waste that already exists in our own backyard. That is the kind of supply chain resilience that North American agriculture urgently needs.”
— Ross Orr, President & CEO, BacTech Environmental Corporation
BacTech said ammonium sulphate produced through its bioleaching process is biologically derived using naturally occurring bacteria rather than energy-intensive conventional synthesis. It said this may appeal to agricultural buyers and food producers seeking sustainable, traceable inputs and could open pathways for premium pricing in specialty and certified sustainable markets.
“Zero Tailings™ is exactly what its name implies — a future where mining leaves nothing behind. Filing in Canada and the United States underscores our commitment to protecting this technology in the markets where we intend to deploy it first. We are converting an industry liability into a portfolio of in-demand products, and these patent filings are a critical milestone in making that vision a commercial reality.”
— Dr. Paul Miller, Chief Technology Officer, BacTech Environmental Corporation
BacTech said Canada and the United States are major mining jurisdictions with thousands of active and legacy tailings facilities. It noted that both countries have enacted or are advancing regulatory frameworks that increase the financial burden on mine operators for tailings storage and long-term environmental monitoring.
The company said it believes Zero Tailings™ addresses these regulatory pressures by offering operators a path to full materials recovery and site remediation. It also said the filings position the company ahead of investor and regulatory demand for ESG-compliant mining practices, and that critical mineral security is a priority for both governments. BacTech said recovering critical minerals from existing waste streams aligns with federal supply-chain strategies on both sides of the border.
BacTech Environmental Corporation is a Toronto-based environmental technology company specializing in bioleaching solutions for the mining and remediation industries. The company said its proprietary processes use naturally occurring bacteria to liberate metals and other elements from sulphide mineral matrices, enabling recovery of value from materials that conventional metallurgy cannot process economically. BacTech said it focuses on delivering commercially viable, environmentally responsible solutions that eliminate tailings, remediate contaminated sites, and supply critical minerals to global markets.
Premium gym chains are entering a “golden era” that is ending or already in decline, as rising operating costs collide with shifting consumer preferences toward more flexible, community-based ways to exercise. Long-term memberships are shrinking, margins are pressured by higher rents and facility expenses, and competition from smaller, more personalized…
