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

Atlas analysis — EV Nickel Inc.: EV Nickel Reports Strong Pilot-Scale Bioleach Results With Over 90% Nickel Extraction And Successful Nickel Sulphate Production. 90.1% recovery; 89.6% recovery; 98.9% recovery

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.