Patent
1974-05-23
1976-04-13
Taylor, Dennis L.
E02D 312
Patent
active
039495604
ABSTRACT:
There is disclosed a method for containing water having a high concentration of water-soluble industrial waste which, when in contact with bentonite, disintegrates the bentonite thereby allowing seepage of water through soil containing said water which comprises intimately admixing with said soil a soil sealant composition consisting essentially of bentonite, a water-soluble dispersing agent, and a water-soluble polymer selected from the group consisting of polyacrylic acid, water-soluble salts of polyacrylic acid, hydrolyzed polyacrylonitrile, polyvinyl acetate, polyvinyl alcohol, copolymers of the foregoing, and a copolymer of acrylic acid and maleic anhydride, the amount of water-soluble polymer being from 0.1% to 3.0%, by weight, and the amount of water-soluble dispersent being from 0.1% to 3.0%, by weight, the weight ratio of water-soluble dispersent to water-soluble polymer being from 6:1-36, intimately admixing an effective amount of said soil sealant composition with soil, forming a water-containing enclosure from said mixture of soil sealant composition and soil, and contacting said enclosure with water containing substantially no industrial waste compounds thereby hydrating the bentonite.
REFERENCES:
patent: 2205950 (1940-06-01), Flett
patent: 2393173 (1946-01-01), Larsen
patent: 3016713 (1962-01-01), Deming
patent: 3111006 (1963-11-01), Caron
patent: 3630937 (1971-12-01), Baum et al.
patent: 3772893 (1973-11-01), Eilers
patent: 3774402 (1973-11-01), Muzychencko et al.
American Colloid Company
Taylor Dennis L.
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