Sources: Chryso Group, Paris; CP staff In a partnership with tunnel boring machine (TBM) lubricant specialist Condat SA of France, Chryso has developed a backfill grout solution, TBM SGS (Smart Grout System), exhibiting the potential as a substitute for bentonite. A clay that expands when hydrated, bentonite is commonly used in backfill mix designs but brings environmental impacts tied to…
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Bentonite clay, polymer compounds equal to slurry management, water recovery
Cetco Energy Services’ Concrete Slurry Division offers two Muddog-branded compounds for returned mix and gray water treatment in ready mixed and precast operations.
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