METHOD OF PROTECTION OF GROUND WATERS FROM CONTAMINATION BY IMPURITIES FROM SURFACE LIQUID WASTE STORAGES Russian patent published in 1995 - IPC

FIELD: storage of wastes. SUBSTANCE: method comes to creating antifiltration screen on inner surface of storage. Novelty in design of storage is that after filling storage with liquid wastes clay ground in pulp or powder state is delivered into storage. Particles of clay, settling on inner surfaces of storage form low-penetrability layer which can absorb and hold contaminants contained in wastes. EFFECT: enhanced reliability of protection from contamination. 6 cl, 1 dwg