MetaFLO Technologies · Solidification Reagents

MF GeoDry™ - Cost-Optimized EPB-TBM Muck Solidification and Free-Water Control

MetaFLO Technologies proudly introduces the MF GeoDry™ family, a next-generation line of engineered dry reagents developed specifically for EPB-TBM tunneling operations requiring spoils solidification, reduced free-water release, improved excavated material handling, and cost-optimized spoils management performance.

ENGINEERED FOR MODERN EPB TBM OPERATIONS

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

Unlike traditional spoils solidification approaches such as lime, cement, sawdust, or generic SAP powders, the MF GeoDry™ family represents engineered reagent technology developed specifically for modern EPB-TBM muck management operations.

0.1% to 0.35%

Typical dosage rates

10 min

To solidify liquid waste

Up to 67%

Lower disposal logistics costs*

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

Built for EPB-TBM Muck Management Operations

The MF GeoDry™ family was developed for EPB-TBM operations requiring spoils solidification and free-water reduction under variable tunneling conditions.

The platform is designed to support:

Reduced free-water release

Reduced flowable spoils behavior

Improved spoils stackability

Improved spoils handling during hauling and temporary storage

Improved spoils transportability

Reduced spoils handling constraints

Cost-optimized spoils management operations

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

The MF GeoDry™ Family

MF GeoDry™ 001 — 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 30% clay content or greater*
Stable EPB-TBM muck handling conditions

Typical dosage rates

Between 0.15–0.35%

Key Advantages

Low operational cost
Simplified field implementation
Reduced tendency for free-flowing spoils behavior
Improved hauling conditions
Improved temporary spoils storage characteristics
Reduced free-water release during transport
Improved spoils handling efficiency

MF GeoDry™ 002 — Flexible EPB-TBM Muck Solidification Performance

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

Typical dosage rates

Between 0.1–0.30%

Key Advantages

Improved free-water control
Broader moisture handling capability
Improved performance under variable field conditions
Improved spoils consistency
Improved hauling and stockpiling performance
Reduced spoils flowability
Supports lower spoils handling and disposal costs

MF GeoDry™ vs Traditional EPB-TBM Muck Solidification Additives

Unlike conventional mineral-based spoils solidification additives, the MF GeoDry™ family was developed specifically for EPB-TBM muck management operations requiring improved handling efficiency and cost-optimized solidification performance.

Traditional Additives	Common Limitations in EPB-TBM Operations	MF GeoDry™ Advantage
Lime-Based Powders	Dust generation, alkaline handling concerns, and elevated mineral consumption	Engineered safe dry reagent technology
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 GeoDry™ products are typically evaluated for EPB-TBM muck streams presenting:

Flowable spoils behavior

Free-water release during hauling or stockpiling

Spoils handling or disposal challenges associated with wet spoils conditions

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 GeoDry™ 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 GeoDry™ platform may be more suitable for specific EPB-TBM muck conditions and operational objectives.

Frequently Asked Questions

What is MF GeoDry™?

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

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

MF GeoDry™ 001 is designed for tunneling spoils with relatively stable moisture conditions and lower levels of free water, where consistent material conditioning and basic solidification performance are required.

MF GeoDry™ 002 was developed for more demanding and variable tunneling conditions, including spoils with higher moisture fluctuations, elevated free-water content, and more difficult handling characteristics. It provides enhanced free-water absorption and broader operational flexibility under changing field conditions.

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

Unlike traditional lime or cement-based spoils solidification additives, MF GeoDry™ was specifically engineered for EPB-TBM spoils solidification applications requiring improved handling efficiency and cost-optimized performance. MF GeoDry™ typically achieves effective solidification at significantly lower dosage rates and with faster reaction times, helping reduce material consumption, simplify logistics, and accelerate spoils handling operations.

What tunneling conditions is MF GeoDry™ designed for?

MF GeoDry™ products were specifically engineered for EPB-TBM spoils solidification applications, taking into account the unique rheological behavior and variable moisture characteristics commonly associated with tunneling spoils and conditioned excavated materials. The products are typically evaluated for spoils streams presenting flowable behavior, free-water release during hauling or stockpiling, and spoils handling challenges associated with wet spoils conditions.

What are the typical dosage rates for MF GeoDry™?

Discuss your project

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

Contact MetaFLO