Homerun Resources Inc. Thermal Pre-Treatment with Acid Leaching Produces Plus 4N Silica Sand Supporting Bulk Sample Distribution and Advanced Materials Development
Original announcement by newsfile on
- Company
- Homerun Resources Inc.
- Ticker
- HMR
- Exchange
- Unavailable
- Region
- Bahia, Brazil
- Primary commodity
- Silica
- Secondary commodities
- None reported
- Document categories
- Metallurgy
- Extracted
- 2026-08-27 12:03:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Homerun Resources has successfully produced +4N (99.99%) purity silica sand through a 2-hour thermal pre-treatment and acid leaching process. The purified material, containing only 81 ppm impurities, has been shipped to prospective customers and research partners for qualification.
Reasoning: The test-work successfully demonstrated a high-purity (+4N) silica product using an optimized, low-energy thermal and acid leaching route, which is a critical milestone for commercialization.
Positive factors
- Successful production of +4N (99.99%) purity silica
- Low impurity levels (81 ppm) achieved with minimal heating duration
- Demonstrated reproducibility of processing at scale
- Bulk samples shipped for customer qualification
Facts used in scoring: 2

Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The process involves thermal pre-treatment and acid leaching, which are part of a processing plant/mill flowsheet.
Evidence · text
“Thermal Pre-Treatment with Acid Leaching”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Metallurgical Results (2)
thermal pre-treatment followed by acid leachingsilicaView all detailsHide details
Identity
- Commodity
- silica
- Ticker
- HMR
Test Work
- Program Status
- detailed
- Test Type
- thermal pre-treatment followed by acid leaching
- Processing Route
- 2-hour thermal pre-treatment followed by acid leaching
- Sample
- bulk purified silica material (+99.99% SiO2) via 2-hour thermal pre-treatment and acid leaching
Recovery
- Conc. Grade
- 99.99
- Conc. Grade Unit
- % SiO2
Lab
- Laboratory
- Dorfner Anzaplan GmbH
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-27T00:00:00.000Z
Reasoning: Achieving 99.99% purity with low impurities (81 ppm) via a short 2-hour thermal cycle is a significant technical success.
Positive factors
- High purity achieved (+4N)
- Low impurity level (81 ppm)
Evidence · text
“successfully produced bulk purified silica material (+99.99% SiO2)”
thermal pre-treatment followed by acid leachingsilicaView all detailsHide details
Identity
- Commodity
- silica
- Ticker
- HMR
Test Work
- Program Status
- detailed
- Test Type
- thermal pre-treatment followed by acid leaching
- Processing Route
- 2-hour thermal pre-treatment followed by acid leaching
- Sample
- impurities in purified silica
Recovery
- Conc. Grade
- 81
- Conc. Grade Unit
- ppm
Lab
- Laboratory
- Dorfner Anzaplan GmbH
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-27T00:00:00.000Z
Reasoning: 81 ppm impurities is a very low level for silica purification processes.
Positive factors
- Low impurity count (81 ppm)
Evidence · text
“delivered the lowest overall impurities at 81 ppm”
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.