System for in-situ treatment of underwater contaminated material

Details System for in-situ treatment of underwater contaminated material System for in-situ treatment of underwater contaminated material

1991-07-25

1992-07-07

Reese, Randolph A.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405223, 405233, 405266, B09B 500, E02D 540

Patent

active

051277654

ABSTRACT:
System including method and apparatus for treating contaminated underwater sediment by lowering a hollow casing to an underbed, lowering a power driven Kelly bar with injecting and mixing blade fed with treatment material such as solidifying cement and flyash, providing a top 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 to adjacent treatment locations.

REFERENCES:
patent: 1089184 (1914-03-01), Bolen
patent: 1856604 (1932-05-01), Upson
patent: 4072016 (1978-02-01), Seki et al.
patent: 4072017 (1978-02-01), Shiraki
patent: 4084383 (1978-04-01), Kukino et al.
patent: 4402630 (1983-09-01), Miura et al.
patent: 4566825 (1986-01-01), Hirai et al.
patent: 4643617 (1987-02-01), Kanno et al.
patent: 4776409 (1988-10-01), Manchak
patent: 4834194 (1989-05-01), Manchak

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