# EV Nickel Reports Strong Pilot-Scale Bioleach Results With Over 90% Nickel Extraction And Successful Nickel Sulphate Production

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d

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: 2026-08-23 10:49:13 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 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 factor: Pilot-scale validation of bioleach technology

- Positive factor: High nickel extraction \(>90%\)

- Positive factor: Successful production of high-purity nickel sulphate

- Positive factor: Demonstrated scalability with 600L bacterial scale-up

- 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% 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 Complete**

Polarity: positive

Definition: 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 plant

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-0)

nickel

#### 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 factor: 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 plant

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-1)

cobalt

#### 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 factor: Strong cobalt recovery alongside nickel

Evidence · text

> resulting in 90.1% Ni and 89.6% Co extraction at day six of the pilot program

### batch

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-2)

nickel

#### 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 factor: 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

### batch

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-3)

cobalt

#### 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 factor: 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

### batch

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-4)

nickel

#### 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 factor: Strong recovery at low solids density

Evidence · text

> achieving ~95% nickel extraction within 10 days

### pilot plant

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-5)

nickel

#### 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 factor: Extremely high recovery to MHP

Evidence · text

> >99% recovery of Ni and Co as a mixed hydroxide precipitate \("MHP"\)

### pilot plant

[Link to this fact](https://atlas-staging.minestarters.com/news/ev-nickel-reports-strong-pilot-scale-bioleach-results-with-over-90-nickel-extrac--5ce3c183-677e-4a12-b290-438bf484f89d#fact-metallurgical-facts-6)

cobalt

#### 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 factor: 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.