Abstract
A laboratory study is conducted to evaluate the' long‐term resistance to percolation of grouted sands, using chemicals that represent the more common industrial waste effluents. Such performance data is necessary if grouts are to be considered for sealing off hazardous waste sites. Six different grouts are tested: acrylate, urethane, Pene‐grout, sodium silicate, glyoxal‐modified sodium silicate, and sodium aluminate‐modified sodium silicate. Water, eight chemicals, and two real‐site wastes are used as permeants. The acrylate grout exhibits very low permeability with water, has excellent resistance to the paint and refinery wastes and sodium hydroxide, and performs satisfactorily with cupric sulfate, ethylene glycol, and xylene. The urethane grout has low permeability with water, remains relatively impervious with acetone, aniline, ethylene glycol, methanol, paint and refinery wastes, and performs marginally well with cupric sulfate and hydrochloric acid. The Pene‐grout has moderately low permeability with...
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