Microwave-assisted pyrolysis of waste polyaromatic hydrocarbons

Details Microwave-assisted pyrolysis of waste polyaromatic hydrocarbons Microwave-assisted pyrolysis of waste polyaromatic hydrocarbons

1994-12-09

1997-12-16

Tsang, Cecilia J.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588210, 588212, 588219, 588225, 588237, 219678, 20415715, 20415743, 2041582, 20415821, 110346, A62D 300

Patent

active

056987625

ABSTRACT:
Polyaromatic hydrocarbons are highly carcinogenic ubiquitous industrial wastes. In this Invention, concentrations of said wastes are diminished by microwave-assisted pyrolysis. Prior to exposure to microwave radiation, said wastes are covered with a non-combustible material consisting of loose, discrete particles like sand. Susceptors may be added to the waste prior to radiation. Volatiles from the process can be absorbed in a susceptor like granulated activated charcoal. When saturated, this granulated activated charcoal is added to the said wastes in a subsequent treatment.

REFERENCES:
patent: 4345983 (1982-08-01), Wan
patent: 4935114 (1990-06-01), Varma
patent: 5280149 (1994-01-01), Schneider et al.

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