Aug 12, 2026, 10:29 ET Metallium Reports Successful Testing of its Proprietary Flash Joule Heating Technology on Rare Earth Elements, Germanium, PGMs and Red Mud/Gallium Advances Multiple Commercial Opportunities Metallium Limited (ASX: MTM; OTCQX: MTMCF; OTCQX ADR: MTMLY) reported results from a series of tests to demonstrate application of its proprietary...

Original announcement by prnewswire on

Company
Metallium Limited
Ticker
MTM
Exchange
Unavailable
Region
Texas
Primary commodity
Rare earth elements
Secondary commodities
Germanium, Platinum, Palladium, Rhodium, Gallium, Aluminum, Iron ore, Silicon
Document categories
Metallurgy
Extracted
2026-08-20 06:36:42 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Metallium reported successful testing of its proprietary Flash Joule Heating (FJH) technology on various feedstocks, including rare earth ores, germanium-bearing waste, and spent catalytic converters. The tests demonstrated significant enrichment capabilities, such as 280x germanium enrichment and the ability to convert raw REE ore into a high-purity chloride product.

Reasoning: The company demonstrated high-value recovery and enrichment across a diverse range of critical metal feedstocks using its proprietary FJH technology.

Positive factors

  • Successful demonstration of proprietary technology across multiple distinct feedstocks
  • Significant enrichment factors reported for germanium and REE
  • High selectivity in red mud processing (99% Fe removal)
  • Single-cycle PGM recovery from catalytic converters

Negative factors

  • Testing results are described as 'unoptimized'
  • Technology is proprietary and likely at a bench or pilot scale rather than commercial scale

Facts used in scoring: 9

Classification and evidence

Mill Routeneutral

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

Why it applies: The technology involves processing mineral concentrates and waste streams through a proprietary heating process.

Evidence · text

“recovering critical and precious metals from mineral concentrates and high-grade waste streams”

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Metallurgical Results (9)

Fact 1rare earth elementsRecovery: 83 %Head Grade: 12Head Grade Unit: % TREOView all details
Link to this fact

Identity

Commodity
rare earth elements
Ticker
MTM

Test Work

Sample
raw, unbeneficiated REE ore

Recovery

Recovery
83 %
Recovery Basis
actual_test
Head Grade
12
Head Grade Unit
% TREO

Reagents

Reagent Notes
converted into a more than 83 wt% mixed REE chloride product; achieved more than 4x enrichment of NdPr in an initial unoptimized test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Significant enrichment from raw ore to a high-purity chloride product.

Positive factors

  • High enrichment of NdPr
  • Direct conversion to high-purity chloride

Negative factors

  • Unoptimized test

Evidence · text

“Successfully converting raw, unbeneficiated REE ore containing approximately 12% TREO directly into a more than 83 wt% mixed REE chloride product”
Fact 2germaniumRecovery: 280 %View all details
Link to this fact

Identity

Commodity
germanium
Ticker
MTM

Test Work

Sample
germanium-bearing industrial wastes

Recovery

Recovery
280 %
Recovery Basis
actual_test

Reagents

Reagent Notes
enrichment factors: 280x from zinc smelter waste, 240x from semiconductor manufacturing waste and 35x from defense-related industrial waste

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Demonstrated massive enrichment potential across multiple waste streams.

Positive factors

  • Extremely high enrichment factors

Evidence · text

“Successfully enriching germanium by up to 280x from zinc smelter waste, 240x from semiconductor manufacturing waste and 35x from defense-related industrial waste”
Fact 3platinumRecovery: 60 %View all details
Link to this fact

Identity

Commodity
platinum
Ticker
MTM

Test Work

Sample
spent automotive catalytic converters

Recovery

Recovery
60 %
Recovery Basis
actual_test

Reagents

Reagent Notes
produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium in a single, unoptimized treatment cycle

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Demonstrated ability to produce a PGM-rich product in a single step.

Positive factors

  • Single treatment cycle
  • Simplified recycling pathway

Negative factors

  • Unoptimized cycle

Evidence · text

“Successfully produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium from spent automotive catalytic converters in a single, unoptimized treatment cycle”
Fact 4palladiumRecovery: 60 %View all details
Link to this fact

Identity

Commodity
palladium
Ticker
MTM

Test Work

Sample
spent automotive catalytic converters

Recovery

Recovery
60 %
Recovery Basis
actual_test

Reagents

Reagent Notes
produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium in a single, unoptimized treatment cycle

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Part of the PGM-rich product recovery.

Positive factors

  • Single treatment cycle

Evidence · text

“Successfully produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium”
Fact 5rhodiumRecovery: 60 %View all details
Link to this fact

Identity

Commodity
rhodium
Ticker
MTM

Test Work

Sample
spent automotive catalytic converters

Recovery

Recovery
60 %
Recovery Basis
actual_test

Reagents

Reagent Notes
produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium in a single, unoptimized treatment cycle

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Part of the PGM-rich product recovery.

Positive factors

  • Single treatment cycle

Evidence · text

“Successfully produced a more than 60% purity PGM-rich product containing platinum, palladium and rhodium”
Fact 6iron_oreRecovery: 99 %View all details
Link to this fact

Identity

Commodity
iron_ore
Ticker
MTM

Test Work

Sample
red mud

Recovery

Recovery
99 %
Recovery Basis
actual_test

Reagents

Reagent Notes
testing removed approximately 99% of iron and 94% of silicon while retaining approximately 95% of aluminum

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: High selectivity in removing iron from red mud.

Positive factors

  • Extremely high removal efficiency of iron

Evidence · text

“testing removed approximately 99% of iron and 94% of silicon while retaining approximately 95% of aluminum”
Fact 7siliconRecovery: 94 %View all details
Link to this fact

Identity

Commodity
silicon
Ticker
MTM

Test Work

Sample
red mud

Recovery

Recovery
94 %
Recovery Basis
actual_test

Reagents

Reagent Notes
testing removed approximately 99% of iron and 94% of silicon while retaining approximately 95% of aluminum

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: High selectivity in removing silicon from red mud.

Positive factors

  • High removal efficiency of silicon

Evidence · text

“testing removed approximately 99% of iron and 94% of silicon”
Fact 8aluminumRecovery: 95 %View all details
Link to this fact

Identity

Commodity
aluminum
Ticker
MTM

Test Work

Sample
red mud

Recovery

Recovery
95 %
Recovery Basis
actual_test

Reagents

Reagent Notes
testing removed approximately 99% of iron and 94% of silicon while retaining approximately 95% of aluminum

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: High selectivity in retaining aluminum while removing impurities.

Positive factors

  • High retention of aluminum

Evidence · text

“retaining approximately 95% of aluminum”
Fact 9galliumView all details
Link to this fact

Identity

Commodity
gallium
Ticker
MTM

Test Work

Sample
red mud

Recovery

Recovery Basis
actual_test

Reagents

Reagent Notes
gallium concentrated into a separate product stream

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-18T00:00:00.000Z

Reasoning: Demonstrated ability to concentrate gallium from red mud.

Positive factors

  • Successful concentration into a separate stream

Evidence · text

“gallium concentrated into a separate product stream”

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.