Treating material for polychlorobiphenyl-containing oils

Details Treating material for polychlorobiphenyl-containing oils Treating material for polychlorobiphenyl-containing oils

1996-10-28

1998-04-28

Straub, Gary P.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588205, 588248, 588901, A62D 300

Patent

active

057446890

ABSTRACT:
The treating material for polychlorobiphenyl-containing oil comprises calcium oxide provided with a hydrophobic property by deposition of an oil and capable of taking place water absorbing exothermic reaction upon decomposition of the oil, sepiolite, vermiculite or zeolite as a porous material having an ion exchanging capability, capable of adsorbing the polychlorobiphenyl-containing oil and the hydrophobic calcium oxide and decomposing the oil, and potassium carbonate, sodium carbonate and neutral detergent as an oil decomposing agent for decomposing the oil deposited on calcium oxide. By mixing the treating material with polychlorobiphenyl-containing oil, the oil component is decomposed into a powder at a low temperature and chlorine is liberated from polychlorobiphenyl by the ion exchanging capability and changed to a nontoxic chlorine compound such as calcium chloride or magnesium chloride.

REFERENCES:
patent: Re31267 (1983-06-01), Edgar et al.
patent: 4144162 (1979-03-01), Edgar et al.
patent: 4554002 (1985-11-01), Nicholson
patent: 4654203 (1987-03-01), Mauer et al.
patent: 4855083 (1989-08-01), Kagawa et al.
patent: 5037286 (1991-08-01), Roberts
patent: 5491281 (1996-02-01), Bhat

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