Hydrogen-Reduced Iron Powder

Hydrogen-Reduced Iron Powder from Serena Nutrition is produced by applying a controlled hydrogen reduction process to electrolytically refined iron powder.

We manufacture high-purity hydrogen-reduced iron powder for food fortification, nutritional premix, dietary supplements, and chemical applications, where stability, surface condition, and consistency are critical.

This product is not ore-based Direct Reduced Iron (DRI). Instead, it is a post-refinement value-addition process designed to:

  • Stabilize surface chemistry
  • Reduce residual oxides
  • Improve consistency and storage behavior

Hydrogen reduction is applied only after electrolytic purification, ensuring treatment occurs on a clean, impurity-controlled iron base.

Purpose of Hydrogen Reduction

Electrolytic refinement establishes purity and impurity control.
Hydrogen reduction further refines the surface and structural condition of the iron powder.

This process does not change the fundamental purity of iron but enhances:

  • Surface cleanliness
  • Structural stability
  • Predictable material behavior

Reduction of Residual Surface Oxides

During production and handling, iron particles naturally develop thin oxide layers.

Controlled hydrogen reduction:

  • Reduces residual surface oxides
  • Lowers oxygen-related parameters
  • Produces a more uniform and controlled surface

This supports consistent behavior during storage and downstream processing

Electrolytic Iron Powder aStress Relief from Powder Processing

Mechanical processing steps such as crushing and milling introduce internal stresses and lattice defects.

Exposure to elevated temperature in a hydrogen atmosphere enables:

  • Relaxation of mechanically induced stresses
  • Stabilization of particle structure
  • Reduction of internal irregularities

This stress-relief mechanism is a well-established principle in metallurgy and powder science.

Why Stress Relief Matters

Stress-relieved iron particles typically demonstrate:

  • More stable physical behavior
  • Reduced variability in surface reactivity
  • Improved batch-to-batch consistency

Hydrogen reduction enhances predictability and stability, rather than altering chemical identity.

Impact on Stability and Shelf-Life Behavior

Iron naturally oxidizes over time. Hydrogen reduction does not prevent oxidation, but ensures oxidation begins from a cleaner and more uniform baseline.

This supports:

  • Improved storage stability
  • Reduced variability during shelf life
  • More predictable long-term performance

Distinction from Direct Reduced Iron (DRI)

Although both involve reduction processes, the difference lies in the starting material and level of control:

  • Direct Reduced Iron (DRI): Produced from iron ore and influenced by ore variability
  • Hydrogen-Reduced Iron (Serena Nutrition): Derived from electrolytically refined iron, with reduction applied only after purification

This results in superior impurity control, consistency, and reliability.

Typical Applications of Hydrogen-Reduced Iron Powder

Our hydrogen-reduced iron powder is used in:

  • Food fortification applications
  • Nutritional premix manufacturing
  • Dietary supplement formulations
  • Chemical and industrial applications

Relationship to Electrolytic Iron Powder

Hydrogen-reduced iron powder is produced exclusively from electrolytically refined iron powder at Serena Nutrition.

  • Electrolytic refinement establishes purity
  • Hydrogen reduction enhances surface condition and stability

Typical Quality Parameters

Hydrogen-reduced iron powder is evaluated using parameters relevant to reduced iron applications:

  • Iron content (Fe %)
  • Safety-critical heavy metals (Pb, As, Hg, Cd)
  • Oxygen-related parameters
  • Acid insolubles
  • Application-relevant particle size (where required)
  • Batch-to-batch consistency

Detailed specifications and Certificates of Analysis (CoA) are available on request.