# AEF Commences Stage 3 Testwork Program Targeting Battery-Grade High-Purity Manganese Sulphate Production

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/aef-commences-stage-3-testwork-program-targeting-battery-grade-high-purity-manga--7acc7e00-1cc9-4bf5-977c-9aa5a6ca7711

Original source: https://money.tmx.com/en/quote/AEF/news/8845076428829159/aef-commences-stage-3-testwork-program-targeting-battery-grade-high-purity-manga

Publisher: tmx

Original announcement: 2026-02-17T13:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: AE Fuels Corporation

- Ticker: AEF

- Exchange: TSX

- Region: Western Australia

- Primary commodity: Manganese

- Secondary commodities: None reported

- Document categories: Metallurgy

- Extracted: 2026-09-19 08:15:16 UTC

Narrative sentiment: 0.40 · Bullish

## Minestarters Atlas summary

AE Fuels Corporation has commenced Stage 3 metallurgical testwork in collaboration with CSIRO to optimize the production of battery-grade high-purity manganese sulphate monohydrate \(HPMSM\). This program focuses on solvent extraction \(SX\) purification to de-risk the flowsheet ahead of a planned Pre-Feasibility Study \(PFS\) in mid-2027.

Reasoning: The announcement details the commencement of advanced metallurgical testwork \(Stage 3\) to optimize a manganese purification flowsheet, representing a key de-risking step toward a planned 2027 PFS.

- Positive factor: Commencement of Stage 3 testwork with CSIRO

- Positive factor: Targeting high-value battery-grade products \(HPMSM/EMM\)

- Positive factor: Clear staged development path towards PFS

- Negative factor: Technical risk remains ahead of major capital decisions

- Negative factor: Product specifications for battery grade are still being validated

Facts used in scoring: 1

## Classification and evidence

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: The program involves hydrometallurgical processing including beneficiation, leaching, and solvent extraction \(SX\).

Evidence · text

> downstream hydrometallurgical processing, with production of high-purity manganese sulphate monohydrate \(HPMSM\), and electrolytic manganese metal \(EMM\).

**Single Domain Only**

Polarity: negative

Definition: Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

## Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

## Metallurgical Results (1)

### solvent extraction

[Link to this fact](https://atlas-extractions.minestarters.com/news/aef-commences-stage-3-testwork-program-targeting-battery-grade-high-purity-manga--7acc7e00-1cc9-4bf5-977c-9aa5a6ca7711#fact-metallurgical-facts-0)

South Woodie Woodie Manganese Project · manganese

#### Identity

- Project: South Woodie Woodie Manganese Project
- Commodity: manganese
- Region: australia\_wa
- Reported Region: Western Australia
- Ticker: AEF

#### Test Work

- Program Status: detailed
- Test Type: solvent extraction
- Processing Route: beneficiation, reduction and leaching, solvent extraction \(SX\) purification
- Sample: Stage 3 research agreement with CSIRO targeting scalable purification pathway for HPMSM and EMM

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-17T00:00:00.000Z

Reasoning: Commencement of Stage 3 testwork is a significant technical milestone for the project's purification pathway.

- Positive factor: Advanced stage testwork \(Stage 3\)

- Positive factor: Collaboration with CSIRO

- Positive factor: Focus on high-purity battery-grade products

Evidence · text

> undertake testwork aimed at progressing a scalable purification pathway for battery-grade, high-purity manganese sulphate monohydrate \(" HPMSM "\)

## 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.