Clay stabilization in uranium leaching and restoration

Details Clay stabilization in uranium leaching and restoration Clay stabilization in uranium leaching and restoration

1979-03-19

1981-07-14

Purser, Ernest R.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

405263, E21B 4328, E02D 312

Patent

active

042782929

ABSTRACT:
Process for the stabilization of formation clays by the use of aluminum in the in-situ leaching of uranium or the restoration of contaminated formations. The aluminum is added to a lixiviant having a pH in the range of 6-10 or to a restoration fluid having a pH of at least 6 in an amount effective for the stabilization of clays.

REFERENCES:
patent: 4079783 (1978-03-01), Snavely et al.
patent: 4114693 (1978-09-01), Foster et al.
patent: 4134618 (1979-01-01), Kossack
Coppel et al., "Field Results from Wells Treated with Hydroxy-Aluminum", Journal of Petroleum Technology, Sep. 1973, pp. 1108-1112.
Reed, "Stabilization of Formation Clays with Hydroxy-Aluminum Solutions", Journal of Petroleum Technology, Jul. 1972, pp. 860-864.

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