# Andromeda Achieves HPA Breakthrough: Successful Production

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/andromeda-achieves-hpa-breakthrough-successful-production--ffe9c6b0-c1f7-417c-b382-a5e2baa41829

Original source: https://announcements.asx.com.au/asxpdf/20250501/pdf/06j96rzzbn3387.pdf

Publisher: asx

Original announcement: 2025-04-30T18:15:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Andromeda Metals Limited

- Ticker: ADN

- Exchange: ASX

- Region: South Australia

- Primary commodity: Alumina

- Secondary commodities: Kaolin

- Document categories: Metallurgy

- Extracted: 2026-08-05 16:01:01 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Andromeda Metals has successfully produced 99.9985% pure High Purity Alumina \(HPA\) at lab scale using a novel flowsheet and refined kaolin from the Great White Project. The results were independently verified by EAG Eurofins USA and CSIRO, demonstrating a process that is potentially more cost-effective and less carbon-intensive than traditional methods.

Reasoning: Successful lab-scale production of 4N HPA with independent validation and a potentially lower-cost, lower-carbon flowsheet.

- Positive factor: High purity achieved \(99.9985%\)

- Positive factor: Novel flowsheet validated

- Positive factor: Lower carbon intensity reported

- Positive factor: Independent verification by EAG Eurofins and CSIRO

- Negative factor: Lab-scale results only

- Negative factor: Process is commercial-in-confidence

Facts used in scoring: 1

## Classification and evidence

**High Recovery**

Polarity: positive

Definition: Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: While recovery % is not explicitly stated, the purity level achieved is exceptional for the target product.

Evidence · text

> confirmed the HPA sample as 99.9985% pure

**Bench Scale Only**

Polarity: negative

Definition: Only preliminary bench tests completed — no locked-cycle or pilot work.

Why it applies: The results are explicitly described as lab-scale test work.

Evidence · text

> Lab-scale test work undertaken to produce HPA

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: Metallurgical results are based on information under the supervision of Mr Eric Whittaker, a Member of AusIMM.

Evidence · text

> based on information compiled by, or under the supervision of, Mr Eric Whittaker who is a Member of the Australasian Institute of Mining and Metallurgy \(MAusIMM\)

## Extracted facts

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

## Metallurgical Results (1)

### lab-scale test work

[Link to this fact](https://atlas-staging.minestarters.com/news/andromeda-achieves-hpa-breakthrough-successful-production--ffe9c6b0-c1f7-417c-b382-a5e2baa41829#fact-metallurgical-facts-0)

alumina

#### Identity

- Commodity: alumina
- Ticker: ADN

#### Test Work

- Program Status: preliminary
- Test Type: lab-scale test work
- Processing Route: proprietary method using established metallurgical unit operations to refine Al2O3 from kaolin
- Sample: HPA produced from Great White CRM™ through a proprietary method

#### Recovery

- Conc. Grade: 99.9985
- Conc. Grade Unit: %

#### Lab

- Laboratory: EAG Eurofins USA

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-04-30T00:00:00.000Z

Reasoning: Achieved exceptionally high purity \(99.9985%\) verified by independent labs.

- Positive factor: Exceeds 4N purity threshold

Evidence · text

> confirmed the HPA sample as 99.9985% pure

## 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.