Giyani Produces High Purity Manganese Sulphate Monohydrate from Demo Plant
Original announcement by tmx on
- Company
- Giyani Metals Corp.
- Ticker
- EMM
- Exchange
- TSX
- Region
- Botswana
- Primary commodity
- Manganese
- Secondary commodities
- None reported
- Document categories
- Metallurgy, Other
- Extracted
- 2026-08-21 05:44:51 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Giyani Metals Corp. has successfully produced High Purity Manganese Sulphate Monohydrate (HPMSM) from its demonstration plant in South Africa. This milestone, following previous HPMO production, demonstrates the company's dual product capability and provides technical data to optimize the full-scale commercial plant in Botswana.
Reasoning: The company achieved a significant technical milestone by producing high-purity manganese sulphate monohydrate at a demonstration scale, which de-risks the commercial flowsheet and moves the project toward off-taker qualification.
Positive factors
- Successful production of HPMSM at demo plant
- Demonstrated dual product capability (HPMSM and HPMO)
- De-risking of process flowsheet for commercial plant
- QP sign-off provided
Facts used in scoring: 1

Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The company uses a bespoke hydrometallurgical process at a demonstration plant.
Evidence · text
“developed a bespoke hydrometallurgical process to produce battery-grade manganese products”
QP/CP Signedpositive · Story-specific tag
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: Jeffrey Stevens, a Qualified Person (NI 43-101), has reviewed and approved the technical information.
Evidence · text
“Jeffrey Stevens... is a Qualified Person as defined by National Instrument 43-101”
Extracted facts
Stored fact records: 1. Some facts used in scoring do not have a stored record.
Metallurgical Results (1)
hydrometallurgicalmanganeseView all detailsHide details
Identity
- Commodity
- manganese
- Ticker
- EMM
Test Work
- Program Status
- optimization
- Test Type
- hydrometallurgical
- Processing Route
- bespoke hydrometallurgical process
- Sample
- High Purity Manganese Sulphate Monohydrate (HPMSM) from Demo Plant
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-06T00:00:00.000Z
Reasoning: Successful production of a high-purity battery-grade product at demonstration scale is a key de-risking event.
Positive factors
- Successful production of high-purity product
Evidence · text
“successfully produced High Purity Manganese Sulphate Monohydrate (" HPMSM ") from its Demonstration Plant”
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.