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AquaBlok - Composite Particle System
AquaBlok is a patented, composite-aggregate technology resembling small stones that is typically comprised of a dense aggregate core. In this application of the technology, a powdered high-swell sodium bentonite coating is utilized (Figure 1) with varying percentages of additive (bentonite) layer by percent of total weight.
AquaBlok – 2080FW is a freshwater formulation which is approximately 20% Bentonite by weight based on the total quantity of material used in production. This product will provide a low permeability seal in the water without mechanical compaction.
AquaBlok® and its broader family of products allow fine-grained (i.e. powdered) materials of high value to be applied uniformly and efficiently in and around both freshwater and saltwater environments.
- Efficient delivery of high value materials at low concentrations
- No field mixing or blending
- Low cost handling & installation
- Unique geotechnical attributes: self-compacting; high shear strength
- Highly versatile: custom-formulate for project-specific need
Environmental Remediation Products:
- Trade Names: AquaBlok®, AquaGate™, HoleBlok™+ZVI
- Particle Size: 1/4 - 3/4"
- Coating Material: Various (bentonite, attapulgite, organoclays, activated carbon, etc.)
- Core Material: Limestone or other chemically/physically stable earthen aggregate
- Coating to Core Ratio: Various (5% coating, 95% core, by weight to 50% coating, 50% core)
- Dry Bulk Density: 83 – 85 lbs/CF, unconsolidated; 85 – 90 lbs/CF, consolidated
- Hydraulic Conductivity: 1 x 10-7 to 1 x 10-9 cm/sec (depending on product thickness & consolidation)
Sealing & Geotechnical Products --
- Trade Names: AquaBlok® 2080FW (or PONDSEAL™)
- Particle Size: 1/4 - 3/8"
- Coating Material: Wyoming-derived sodium bentonite (chemically unaltered)
- Core Material: Limestone or other chemically/physically stable earthen aggregate
- Coating to Core Ratio*: 20% bentonite, 80% aggregate core, by weight
- Dry Bulk Density: 80 – 90 lbs/CF depending on formulation/compostion
- Hydraulic Conductivity: 1 x 10-2 to 5 x 10-9 cm/s depending on formulation/composition
- Aggregate: Nominal AASHTO #8 (1/4-3/8”) or custom-sized to meet project-specific need
- * Limestone or non-calcareous substitute, as deemed project-appropriate
- Bentonite:
- Powdered – Approximate 200 Mesh
- Bentonite Clay; High swell Wyoming Sodium Natural Mineral (Montmorillonite)
- Light Grey Powder; Odorless
- Manufacturers – Product Designation
- Bentonite Performance Minerals – Barakade Standard
- Others that are deemed to meet the manufacturer specification
- Formulation Range from 15 –25% by weight (average)
- Binder: Cellulosic polymer
- Permeability: 1 x 10-7 to 1 x 10-9 cm/sec
- Dry Bulk Density: 75 – 85 lbs/ft3
- Moisture: 10 – 20% (maximum)