Hepa filter dissolution process

Details Hepa filter dissolution process Hepa filter dissolution process

1992-08-21

1994-02-22

Walsh, Donald P.

Compositions

Radioactive compositions

134 3, 210769, 210771, G21F 900

Patent

active

052884341

ABSTRACT:
A process for dissolution of spent high efficiency particulate air (HEPA) filters and then combining the complexed filter solution with other radioactive wastes prior to calcining the mixed and blended waste feed. The process is an alternate to a prior method of acid leaching the spent filters which is an inefficient method of treating spent HEPA filters for disposal.

REFERENCES:
patent: 4715992 (1987-12-01), Snyder et al.
patent: 4772430 (1988-09-01), Sauda et al.
patent: 4857211 (1989-08-01), Nineuil et al.
patent: 4995916 (1991-02-01), Meikrantz et al.
patent: 5085709 (1992-02-01), Morris et al.

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