Detoxification

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 95, 106 96, 106 97, 106DIG1, C04B 702

Patent

active

041167058

ABSTRACT:
A process which comprises treating hazardous waste with an aluminium silicate or aluminosilicate and with a Portland cement in the presence of water to form a slurry and allowing the slurry to set into rock and a crystal matrix having encapsulated therein a hazardous waste and having a permeability of less than 1 .times. 10.sup.-4 cm. sec.sup.-1 and a compressive strength 28 days after preparation of 100 to 1000 psi.

REFERENCES:
patent: 2517993 (1950-08-01), Falco
patent: 3859799 (1975-01-01), Jaco

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