MetaFLO Technologies  ·  Solidification Reagents

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MF BioDry™ - Engineered Biodegradable Reagents for EPB-TBM Muck Solidification and Free-Water Control

MetaFLO Technologies proudly introduces the MF BioDry™ family, a next-generation line of engineered biodegradable reagents developed specifically for EPB-TBM tunneling operations requiring spoils solidification, reduced free-water release, improved excavated material handling, and more efficient spoils management practices.

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BIODEGRADABLE SOLUTIONS FOR MODERN EPB TUNNELING OPERATIONS

The MF BioDry™ family was developed to support biodegradable spoils solidification and improved free-water control under variable tunneling conditions. The platform is engineered to reduce free-water expression, improve spoils handling efficiency, support temporary spoils storage, and improve spoils transportability while reducing reliance on traditional mineral-based solidification additives in selected applications.

0.1 to 0.25%

Typical dosage rates

100%

Organic derived

< 30 min

To solidify liquid waste*

*Performance depends on spoils rheology, mineralogy, particle size distribution, moisture content, and overall field conditions.

Sustainable Performance for Modern Infrastructure Projects

The MF BioDry™ family was developed for tunneling contractors seeking:

Improved EPB-TBM muck management efficiency

Biodegradable reagent technology for spoils solidification

Reduced free-water release

Reduced free-water release

Improved excavated material handling

Reduced spoils flowability during transport

Typical dosage rates vary depending on moisture content, clay fraction, mineralogy, particle size distribution, spoils rheology, operational objectives, and required spoils handling characteristics. See product specifications bellow for details.

The MF BioDry™ Family

The MF BioDry™ platform operates through engineered moisture interaction mechanisms designed to reduce free-water expression and improve spoils handling characteristics under EPB-TBM tunneling conditions.

Compared to MF BioDry™ 001, the MF BioDry™ 002 platform provides broader moisture handling capability and improved spoils solidification performance under more variable tunneling environments while maintaining biodegradable formulation characteristics.

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MF BioDry™ 001 — Biodegradable Cost-Optimized EPB-TBM Muck Solidification

Optimized Operating Window

  • Moisture conditions up to approximately 40% total moisture*
  • Lower free-water environments
  • Cohesive spoils matrices with approximately 40% clay content or greater*
  • Stable EPB-TBM muck handling conditions

Key Advantages

  • Engineered biodegradable formulation
  • Reduced tendency for free-flowing spoils behavior
  • Improved hauling conditions
  • Reduced free-water release during transport
  • Simplified field implementation
  • More efficient spoils handling and logistics

Typical dosage rates

  • Between 0.1–0.25%

Designed Primarily For

  • Improved excavated material transportability
  • Reduced free-water expression during hauling
  • Biodegradable spoils solidification applications
  • Operational spoils handling improvement
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MF BioDry™ 002 — Advanced Biodegradable Reagent for EPB-TBM Muck Solidification

MF BioDry™ 002 is an engineered dry biodegradable reagent specifically developed for EPB-TBM muck solidification, free-water reduction, and spoils management under more variable tunneling conditions.

Optimized Operating Window

  • Moisture conditions up to approximately 55% total moisture*
  • Variable field and geology conditions
  • Cohesive spoils matrices with approximately 30% clay content or greater*
  • More challenging EPB-TBM muck environments
  • Typically achieves comparable spoils solidification performance at lower dosage rates under similar conditions

Key Advantages

  • Engineered biodegradable chemistry
  • Improved free-water control
  • Broader moisture handling capability
  • Improved spoils consistency
  • Reduced spoils flowability
  • Improved operational flexibility under variable conditions

Developed For

  • Improved stackable spoils characteristics
  • Enhanced spoils management flexibility
  • Reduced spoils handling constraints
  • Improved transport and temporary storage performance
  • Biodegradable spoils solidification under variable EPB spoils conditions

MF BioDry™ vs Traditional EPB Spoils Solidification Additives

Unlike conventional mineral-based spoils solidification additives, the MF BioDry™ family was developed specifically for EPB-TBM operations requiring biodegradable reagent technology for projects with environmental or biodegradability-related requirements.

Traditional Additives Common Limitations in EPB-TBM Operations MF BioDry™ Advantage
Lime-Based Powders Dust generation, alkaline handling concerns, and elevated mineral consumption Safe biodegradable
Cement-Based Additives High material consumption and increased spoils mass generation Lower dosage rates under comparable spoils conditions
Sawdust and Organic Absorbents Variable performance under changing moisture conditions More consistent free-water reduction performance
Generic SAP Powders Non-specialized performance for EPB-TBM muck streams Developed specifically for EPB-TBM muck solidification applications

Typical Field Conditions

MF BioDry™ products are typically evaluated for EPB-TBM muck streams presenting:

Environmental or biodegradability-related disposal requirements

Flowable spoils behavior

Free-water release during hauling or stockpiling

Engineering & Operational Considerations

Performance ranges presented throughout this page are intended to support simplified product selection for typical EPB-TBM tunneling conditions.

Moisture content, spoils behavior, clay content, and operational requirements may influence final product performance and dosage rates.

MF BioDry™ products are intended for spoils solidification and free-water reduction in EPB-TBM operations. Final spoils handling, transportation, and disposal requirements remain dependent on project conditions and local regulations.

The MetaFLO technical team can assist in determining which MF BioDry™ platform may be more suitable for specific EPB-TBM muck conditions and operational objectives.

Frequently Asked Questions

What is MF BioDry™?

How does MF BioDry™ improve EPB-TBM muck management?

What is the difference between MF BioDry™ 001 and MF BioDry™ 002?

Why use MF BioDry™ instead of lime or cement-based additives?

What tunneling conditions is MF BioDry™ designed for?

What are the typical dosage rates for MF BioDry™?

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The MetaFLO technical team can assist in determining which MF BioDry™ platform may be more suitable for your specific EPB-TBM muck conditions and operational objectives.

Contact MetaFLO