Slurry Walls


Application Description

A slurry wall is a non-structural, low permeability vertical barriers used to contain or direct the flow of groundwater. Most slurry walls are constructed of native soils, bentonite clay and water mixture. Portland cement and other self hardening components are also often used if the design requires lower permeability or higher compressive strength.


While these engineered barriers have long been used in construction applications to control seepage, they continue to gain popularity in remedial applications for thecontainment and redirection of contaminated groundwater. When constructing slurry walls, permeability is the critical parameter for designers and regulators. However, incompatibilities between traditional construction materials and site contaminants have lead to the development of new compositions of traditional soil-bentonite slurry walls. These new designs include specialty sorbents to more effectively contain shorter chain hydrocarbons and other organic matter that may be capable of passing through barriers.

CETCO Provides

  • CETCO Organoclays®
  • Premium Gel® API Bentonite
  • Technical service and jobsite assistance

Benefits of Utilizing CETCO Technologies

  • Organoclay® Media, used as a sorbent additive, decreases organic mobility and hydraulic conductivity
  • Premium Gel® API Bentonite is treated for a higher yield than standard bentonite providing lower costs and better performance
  • High quality sodium bentonite for consistent performance


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