HEPA filter dissolution process

Patent · Tue Feb 22 00:00:00 EST 1994

OSTI ID:5210680

Brewer, K N; Murphy, J A

A process is described 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. 4 figures.

• DOE Contract Number: AC07-84ID12435
• Assignee: Dept. of Energy, Washington, DC ()
• Patent Number(s): US 5288434; A
• Application Number: PPN: US 7-933144
• OSTI ID: 5210680
• Resource Relation: Patent File Date: 21 Aug 1992
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
AIR FILTERS
DISSOLUTION
RADIOACTIVE WASTES
CALCINATION
EFFICIENCY
MIXTURES
RADIOACTIVE WASTE PROCESSING
CHEMICAL REACTIONS
DECOMPOSITION
DISPERSIONS
EQUIPMENT
FILTERS
MANAGEMENT
MATERIALS
POLLUTION CONTROL EQUIPMENT
PROCESSING
PYROLYSIS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE MANAGEMENT
THERMOCHEMICAL PROCESSES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
052001* - Nuclear Fuels- Waste Processing