# EV Nickel Reports Strong Pilot-Scale Bioleach Results With Over 90% Nickel Extraction And Successful Nickel Sulphate Production Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73 Original source: https://money.tmx.com/en/quote/EVNI/news/7034995478384257/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac Publisher: tmx Original announcement: 2026-02-03T12:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: EV Nickel Inc. - Ticker: EVNI - Exchange: TSX - Region: Ontario - Primary commodity: Nickel - Secondary commodities: Cobalt, Magnesium, Iron ore, Copper - Document categories: Metallurgy - Extracted: 2026-09-12 04:20:16 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary EV Nickel has reported successful pilot-scale bioleaching results at its W4 Nickel Project, achieving over 90% nickel and 89% cobalt extraction. The program demonstrated the ability to produce high-purity nickel sulphate \(98.2%\) and recover magnesium as a by-product, validating the company's low-carbon processing flowsheet. Reasoning: The pilot-scale bioleach results demonstrate high recovery rates for nickel and cobalt and a viable pathway to battery-grade products, representing a major technical milestone for the W4 Project. - Positive factor: High nickel extraction \(>90%\) at pilot scale - Positive factor: Successful production of high-purity nickel sulphate \(98.2%\) - Positive factor: Demonstrated scalability with 600L bacterial scale-up - Positive factor: Recovery of magnesium as a saleable by-product - Positive factor: Low acid consumption compared to traditional hydrometallurgy Facts used in scoring: 7 ## Classification and evidence **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: Nickel extraction achieved over 90% at pilot scale and up to 98.9% in batch tests. Evidence · text > 90.1% Ni and 89.6% Co extraction achieved at day six **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The process involves flotation concentrates followed by bioleaching and downstream precipitation. Evidence · text > conducted on flotation concentrates from its W4 Nickel Project **Multi-Domain Tested** Polarity: positive Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed. Why it applies: 4 distinct composites were tested ## Extracted facts Stored fact records: 7. Some facts used in scoring do not have a stored record. ## Metallurgical Results (7) ### pilot plant [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-0) W4 Nickel Project · nickel #### Identity - Project: W4 Nickel Project - Commodity: nickel - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: bioleach - Sample: Pilot circuit continuous operation \(day six\) #### Recovery - Recovery: 90.1 % - Recovery Basis: actual\_test - Head Grade: 6.4 - Head Grade Unit: % #### Lab - Laboratory: RPC Metallurgical Services - Consultant: EPCM Services Ltd. #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: 90.1% Ni extraction at pilot scale is a strong result for bioleaching technology. - Positive factor: Exceeds 90% extraction threshold Evidence · text > 90.1% Ni and 89.6% Co extraction achieved at day six #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 90.1% is at or above the exceptional band \(90%\) **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### pilot plant [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-1) W4 Nickel Project · cobalt #### Identity - Project: W4 Nickel Project - Commodity: cobalt - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: bioleach - Sample: Pilot circuit continuous operation \(day six\) #### Recovery - Recovery: 89.6 % - Recovery Basis: actual\_test - Head Grade: 6.4 - Head Grade Unit: % #### Lab - Laboratory: RPC Metallurgical Services - Consultant: EPCM Services Ltd. #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: 89.6% Co extraction is a robust result for a pilot-scale bioleach program. - Positive factor: Strong cobalt extraction alongside nickel Evidence · text > 90.1% Ni and 89.6% Co extraction achieved at day six #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### batch [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-2) W4 Nickel Project · nickel #### Identity - Project: W4 Nickel Project - Commodity: nickel - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: batch - Processing Route: bioleach - Sample: Batch and semi-continuous bioleaching testing #### Recovery - Recovery: 98.9 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: 98.9% Ni extraction in batch testing shows high potential for the technology. - Positive factor: Very high extraction rate in batch mode Evidence · text > Ni extraction of up to 98.9% and Co extraction of up to 98.8% was achieved #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 98.9% is at or above the exceptional band \(90%\) **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### batch [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-3) W4 Nickel Project · cobalt #### Identity - Project: W4 Nickel Project - Commodity: cobalt - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: batch - Processing Route: bioleach - Sample: Batch and semi-continuous bioleaching testing #### Recovery - Recovery: 98.8 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: 98.8% Co extraction in batch testing is excellent. - Positive factor: Very high extraction rate in batch mode Evidence · text > Ni extraction of up to 98.9% and Co extraction of up to 98.8% was achieved #### Tags used in scoring **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### batch [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-4) W4 Nickel Project · nickel #### Identity - Project: W4 Nickel Project - Commodity: nickel - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: batch - Processing Route: bioleach - Sample: Large-batch bioleach tests at 5% and 10% solids #### Recovery - Recovery: 95 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: 95% Ni extraction at 5-10% solids density supports future scale-up. - Positive factor: Maintains high recovery at low solids density Evidence · text > achieving ~95% nickel extraction within 10 days #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 95% is at or above the exceptional band \(90%\) **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### pilot plant [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-5) W4 Nickel Project · nickel #### Identity - Project: W4 Nickel Project - Commodity: nickel - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: bioleach - Sample: Mixed hydroxide precipitate \(MHP\) from pregnant leach solution #### Recovery - Recovery: 99 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: >99% recovery of Ni to MHP is a critical downstream success. - Positive factor: Extremely high recovery to MHP Evidence · text > >99% recovery of Ni and Co as a mixed hydroxide precipitate \("MHP"\) #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 99% is at or above the exceptional band \(90%\) **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ### pilot plant [Link to this fact](https://atlas-extractions.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--c0f82b06-6075-4802-9012-aa7575d95e73#fact-metallurgical-facts-6) W4 Nickel Project · cobalt #### Identity - Project: W4 Nickel Project - Commodity: cobalt - Region: canada\_on - Reported Region: Ontario - Ticker: EVNI #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: bioleach - Sample: Mixed hydroxide precipitate \(MHP\) from pregnant leach solution #### Recovery - Recovery: 99 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-03T00:00:00.000Z Reasoning: >99% recovery of Co to MHP is a critical downstream success. - Positive factor: Extremely high recovery to MHP Evidence · text > >99% recovery of Ni and Co as a mixed hydroxide precipitate \("MHP"\) #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.