FIELD: the invention refers to modes of processing of oil-sludge including sediments of drainage water by way of dewatering and may be used for receiving an insulating material applied at burial of solid domestics wastes and toxical industrial wastes of the third and the fourth degrees of danger.
SUBSTANCE: oil-sludge is mixed with incomplete burned wastes or with chemical secondary waste materials or with burned grinded commodity lime in correlation 1:1-2 correspondingly, then one layer after another is frozen and thawed out in natural conditions. Partially dewatered clay or drilling cuttings are added into the mixture after its freezing and thawing out in correlation 1:0,5.
EFFECT: allows to reduce dewatering, filtration coefficient and fire danger in processing of oil-sludge into a commodity product.
1 cl, 5 tbl
| Title | Year | Author | Number |
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|
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|
RU2379137C1 |
| METHOD OF DEWATERING OF SEWAGE SLUDGE | 0 |
|
SU1723053A1 |
