Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Patent
1990-08-08
1992-06-16
Lovering, Richard D.
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
134 2214, 134 40, 210909, 252158, 252312, 252351, B08B 308, B08B 700, B08B 900, C11D 706
Patent
active
051221942
ABSTRACT:
A method and compositions for removal of polychlorinated biphenyls (PCBs) from a surface by treatment of the surface with an extraction solvent, and encapsulating solution and an aqueous wash are disclosed. The extraction solvent includes a mixture of kerosene and a surfactant. The encapsulating solution includes a mixture of a metal hydroxide, a solvent dispersion agent, a coupling agent and water.
REFERENCES:
patent: 2697674 (1954-12-01), Eisen
patent: 3239467 (1966-03-01), Lipinski
patent: 3551204 (1970-12-01), Bolger et al.
patent: 4349448 (1982-09-01), Steele
patent: 4351978 (1982-09-01), Hatano et al.
patent: 4353793 (1982-10-01), Brunelle
patent: 4405448 (1983-09-01), Googin et al.
patent: 4430208 (1984-02-01), Pytlewski et al.
patent: 4483717 (1984-11-01), Olmsted et al.
patent: 4610729 (1986-09-01), Keane
patent: 4792413 (1988-12-01), Nash et al.
patent: 4832833 (1989-05-01), Keane
patent: 4844745 (1989-07-01), Nash et al.
patent: 4869825 (1989-09-01), Steiner
patent: 4921628 (1990-05-01), Nash et al.
Chemical Abstracts 102:134015s (N. Honma).
Miller Melvin N.
Rucker Thomas J.
Burlington Environmental Inc.
Lovering Richard D.
LandOfFree
Methods and compositions for removing polychlorinated biphenyls does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods and compositions for removing polychlorinated biphenyls , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and compositions for removing polychlorinated biphenyls will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1751308