EV Nickel Reports Strong Pilot-Scale Bioleach Results With Over 90% Nickel Extraction And Successful Nickel Sulphate Production
Original announcement by tmx on
- Company
- EV Nickel Inc.
- Ticker
- EVNI
- Exchange
- TSX
- Region
- Ontario
- Primary commodity
- Nickel
- Secondary commodities
- Cobalt, Magnesium, Iron ore, Copper
- Document categories
- Metallurgy
- Extracted
- 2026-08-23 10:49:13 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
EV Nickel has reported successful pilot-scale bioleaching results at its W4 Nickel Project, achieving over 90% nickel extraction. The program validated a continuous flotation-bioleach flowsheet capable of producing high-purity nickel sulphate suitable for the EV battery supply chain.
Reasoning: Successful pilot-scale bioleach results demonstrating high nickel and cobalt recovery and a clear pathway to battery-grade products.
Positive factors
- Pilot-scale validation of bioleach technology
- High nickel extraction (>90%)
- Successful production of high-purity nickel sulphate
- Demonstrated scalability with 600L bacterial scale-up
- Low acid consumption compared to traditional hydrometallurgy
Facts used in scoring: 7

Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Nickel extraction achieved over 90% in pilot scale and up to 99% in MHP precipitation.
Evidence · text
“90.1% Ni and 89.6% Co extraction achieved at day six”
Pilot Scale Completepositive
Pilot or demonstration plant testing completed under continuous operation.
Why it applies: The company completed a continuous pilot-scale bioleaching and downstream metals recovery test program.
Evidence · text
“completed a continuous pilot-scale bioleaching and downstream metals recovery test program”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Metallurgical Results (7)
pilot plantnickelRecovery: 90.1 %Head Grade: 6.4Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- nickel
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- pilot plant
- Processing Route
- flotation-bioleach
- Sample
- Pilot circuit continuous operation (day six)
Recovery
- Recovery
- 90.1 %
- Recovery Basis
- actual_test
- Head Grade
- 6.4
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-03T00:00:00.000Z
Reasoning: 90.1% Ni extraction achieved during continuous pilot operation.
Positive factors
- Exceeds 90% threshold for pilot scale
Evidence · text
“resulting in 90.1% Ni and 89.6% Co extraction at day six of the pilot program”
pilot plantcobaltRecovery: 89.6 %Head Grade: 6.4Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- pilot plant
- Processing Route
- flotation-bioleach
- Sample
- Pilot circuit continuous operation (day six)
Recovery
- Recovery
- 89.6 %
- Recovery Basis
- actual_test
- Head Grade
- 6.4
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-03T00:00:00.000Z
Reasoning: 89.6% Co extraction achieved during continuous pilot operation.
Positive factors
- Strong cobalt recovery alongside nickel
Evidence · text
“resulting in 90.1% Ni and 89.6% Co extraction at day six of the pilot program”
batchnickelRecovery: 98.9 %View all detailsHide details
Identity
- Commodity
- nickel
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- batch
- 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: Ni extraction of up to 98.9% achieved in batch and semi-continuous testing.
Positive factors
- Very high extraction in batch/semi-continuous modes
Evidence · text
“Ni extraction of up to 98.9% and Co extraction of up to 98.8% was achieved”
batchcobaltRecovery: 98.8 %View all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- batch
- 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: Co extraction of up to 98.8% achieved in batch and semi-continuous testing.
Positive factors
- Very high extraction in batch/semi-continuous modes
Evidence · text
“Ni extraction of up to 98.9% and Co extraction of up to 98.8% was achieved”
batchnickelRecovery: 95 %View all detailsHide details
Identity
- Commodity
- nickel
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- batch
- 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% nickel extraction achieved within 10 days at 5% and 10% solids.
Positive factors
- Strong recovery at low solids density
Evidence · text
“achieving ~95% nickel extraction within 10 days”
pilot plantnickelRecovery: 99 %View all detailsHide details
Identity
- Commodity
- nickel
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- pilot plant
- Sample
- MHP precipitation 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 as a mixed hydroxide precipitate (MHP).
Positive factors
- Extremely high recovery to MHP
Evidence · text
“>99% recovery of Ni and Co as a mixed hydroxide precipitate ("MHP")”
pilot plantcobaltRecovery: 99 %View all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- EVNI
Test Work
- Program Status
- detailed
- Test Type
- pilot plant
- Sample
- MHP precipitation 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 as a mixed hydroxide precipitate (MHP).
Positive factors
- Extremely high recovery to MHP
Evidence · text
“>99% recovery of Ni and Co as a mixed hydroxide precipitate ("MHP")”
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.