B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/375
B01J 19/00 (2006.01) A62D 3/00 (2006.01)
Patent
CA 1164631
ABSTRACT A system and apparatus therefor for the removal and destruction of harmful toxic polychlorinated biphenyls (PCBs) from a fluid, such as electrical transformer oil. The contami- nated fluid is pumped through heating equipment to raise its temperature to a predetermined level prior to its being fed into a mixing chamber. An injector mechanism feeds a predetermined quantity of a reagent, such as an elemental sodium dispersion, into the mixing chamber where a power-driven impeller thoroughly mixes the two fluids. This mixture is fed into a reaction zone, preferably consisting of a plurality of closely nested back-and- forth tubes of a predetermined length and cross-sectional area wherein a chemical reaction occurs between the PCB-fluid and reagent forming harmless by-products which are insoluble in the now-decontaminated fluid, The solid by-products are removed in a separator, such as a filtering medium or centrifuge, and ally gases and water vapor are removed in a deep vacuum degasser. The trapped, harmless by-products then can be disposed of in a conventional, safe manner and the decontaminated fluid can be returned to its point of origin for reuse.
377662
Macrae & Co.
Sunohio Inc.
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