METHOD FOR LOCALIZING RADIOACTIVE CONTAMINANTS OF SOIL AND GROUND WATER Russian patent published in 1996 - IPC

FIELD: environment control. SUBSTANCE: method involves construction of sodium silicate and calcium barrier around contaminated area and boring holes inside this area in hexagonal order. Holes of odd-numbered rows are sequentially filled with 0.1% salt solutions containing calcium ions, phosphor acid anions, and ferric or manganese sulfate. Holes of even- numbered rows are first filled with salt solution of ferric or manganese sulfate and then with salt solutions containing calcium ions and phosphor acid anions. EFFECT: improved degree of radioactive contaminants localization and prevention of their emission to environment. 1 dwg, 3 tbl