Cylindrical system for in-situ treatment of underwater contamina

Details Cylindrical system for in-situ treatment of underwater contamina Cylindrical system for in-situ treatment of underwater contamina

1993-01-28

1993-10-26

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405223, 405269, 588252, B09B 500, E02D 312

Patent

active

052560015

ABSTRACT:
System including method and apparatus for treating contaminated underwater sediment by lowering a cylindrical casing to an underbed, lowering a power driven Kelly bar with plural blade injecting and mixing tool fed with treatment material such as solidifying cement and flyash, providing a top circular cover for confining the sediment to be treated within the casing, injecting and mixing the treatment material through the Kelly bar and sequentially moving the casing with Kelly bar and top cover to adjacent treatment locations having full coverage provided with minimum overlap.

REFERENCES:
patent: 3023585 (1962-03-01), Liver
patent: 4844839 (1989-07-01), Manchak
patent: 4902172 (1990-02-01), Fukuda
patent: 5127765 (1992-07-01), Millgard
patent: 5135058 (1992-08-01), Millgard et al.

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