Mineral oils: processes and products – Refining – Halogen contaminant removal
Patent
1981-06-01
1982-09-28
Gantz, Delbert E.
Mineral oils: processes and products
Refining
Halogen contaminant removal
585864, C10G 2900, C10G 2906, C10G 2920
Patent
active
043517188
ABSTRACT:
A method is provided for reducing the level of polychlorinated aromatic hydrocarbons, "PCB's", while dissolved in an organic solvent, for example, transformer oil. Removal of the polychlorinated aromatic hydrocarbon, can be accomplished by treating the contaminated solution with a mixture of polyethyleneglycol and an alkali metal hydroxide.
REFERENCES:
patent: 2212105 (1940-08-01), Yabroff
patent: 2481300 (1949-09-01), Engel
The Reaction of PCB's with Sodium, Oxygen, and Polyethylene Glycols, Pytlewski et al, pp. 72-76, Franklyn Research Center, Phila., PA 19103.
Davis Jr. James C.
Gantz Delbert E.
General Electric Company
Maull Helane E.
Teoli William A.
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