High Efficiency Particulate Air (HEPA) Filter Generation, Characterization, and Disposal Experiences at the Oak Ridge National Laboratory

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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis High Efficiency Particulate Air (HEPA) Filter Generation, Characterization, and Disposal Experiences at the Oak Ridge National Laboratory by :

Download or read book High Efficiency Particulate Air (HEPA) Filter Generation, Characterization, and Disposal Experiences at the Oak Ridge National Laboratory written by and published by . This book was released on 2002 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Efficiency Particulate Air filtration is an essential component of the containment and ventilation systems supporting the research and development activities at the Oak Ridge National Laboratory. High Efficiency Particulate Air filters range in size from 7.6cm (3 inch) by 10.2 cm (4 inch) cylindrical shape filters to filter array assemblies up to 2.1 m (7 feet) high by 1.5 m (5 feet) wide. Spent filters are grouped by contaminates trapped in the filter media and become one of the components in the respective waste stream. Waste minimization and pollution prevention efforts are applied for both radiological and non-radiological applications. Radiological applications include laboratory hoods, glove boxes, and hot cells. High Efficiency Particulate Air filters also are generated from intake or pre-filtering applications, decontamination activities, and asbestos abatement applications. The disposal avenues include sanitary/industrial waste, Resource Conservation and Recovery Act and Toxic Substance Control Act, regulated waste, solid low-level waste, contact handled transuranic, and remote handled transuranic waste. This paper discusses characterization and operational experiences associated with the disposal of the spent filters across multiple applications.

In-place HEPA (high Efficiency, Particulate Air) Filter Testing at Hanford

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis In-place HEPA (high Efficiency, Particulate Air) Filter Testing at Hanford by :

Download or read book In-place HEPA (high Efficiency, Particulate Air) Filter Testing at Hanford written by and published by . This book was released on 1989 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Efficiency, Particulate Air (HEPA) Filters provide a minimum of 99.97% removal efficiency for particles greater than or equal to .3 microns in diameter. Each HEPA filter installation at Hanford is, at specified intervals, functionally tested for leaks. The test procedure involves a dioctylphthalate (DOP) smoke generator and a calibrated airborne particle detector. The DOP generator produces smoke of a known quantitative particle size distribution upstream of the filter. The airborne particle detector is first placed upstream, and then downstream of the filter to determine percent penetration. The smoke generator is characterized using a calibrated laser spectrometer, and the particle detector is calibrated using a calibrated picoammeter. 2 refs., 4 figs.

Phase I Characterization of the HEPA (High Efficiency Particulate Air) Filter Media Used in the Airborne Activity Confinement System at the Savannah River Site

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Book Synopsis Phase I Characterization of the HEPA (High Efficiency Particulate Air) Filter Media Used in the Airborne Activity Confinement System at the Savannah River Site by :

Download or read book Phase I Characterization of the HEPA (High Efficiency Particulate Air) Filter Media Used in the Airborne Activity Confinement System at the Savannah River Site written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this report was to characterize the HEPA filter media material. This work consisted of two major tasks. First, the pressure drop characteristics of the HEPA filter material were measured as a function of the aerosol mass loading. Particle size effects were studied by using three different particle size distributions to load the filter material. The second task was to determine the filtration efficiency spectrum for solid particles as a function of particle diameter. The filtration efficiency was measured at two different media velocities, one corresponding to the equivalent flow rate under normal operating conditions, the other corresponding to the minimum equivalent flow rate expected through the filter compartments. These tests were conducted at the Argonne National Laboratory between September 1988 and February 1989. 20 refs., 31 figs., 10 tabs.

Requirements for Fire-Resistant High-Efficiency Particulate Air Filters

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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Requirements for Fire-Resistant High-Efficiency Particulate Air Filters by :

Download or read book Requirements for Fire-Resistant High-Efficiency Particulate Air Filters written by and published by . This book was released on 1966 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-03 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Science Abstracts

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ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Radioactive Waste Management

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ISBN 13 :
Total Pages : 726 pages
Book Rating : 4.X/5 (2 download)

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Book Synopsis Radioactive Waste Management by :

Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2015: National Nuclear Security Administration: energy weapons activities; defense nuclear nonproliferation and naval reactors

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ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Energy and Water Development Appropriations for 2015: National Nuclear Security Administration: energy weapons activities; defense nuclear nonproliferation and naval reactors by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2015: National Nuclear Security Administration: energy weapons activities; defense nuclear nonproliferation and naval reactors written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2014 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

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ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1987 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.

Design and Characterization of an Accelerated Aging Humidity Chamber for Aging Nuclear Grade HEPA Filter Media

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ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Design and Characterization of an Accelerated Aging Humidity Chamber for Aging Nuclear Grade HEPA Filter Media by : Taylor B. Burch

Download or read book Design and Characterization of an Accelerated Aging Humidity Chamber for Aging Nuclear Grade HEPA Filter Media written by Taylor B. Burch and published by . This book was released on 2020 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique accelerated aging chamber for experimentally determining the life of nuclear grade high efficiency particulate air (HEPA) filters was designed, implemented, and characterized. A design document was developed under the Nuclear Quality Assurance program (NQA-1). The aging process is achieved by sustaining an elevated humidity condition inside the chamber for an extended period of time. Elevated humidity conditions expose the media to commonly occurring stressors that mimic the degradation a typical filter in practical applications would experience. The aged media may then be analyzed using autopsy methodology resulting in data that can be used to better understand the useful life of HEPA filters. The chamber allows age studies to be conducted in a fraction of the time. The industry requires a more complete understanding of the useful life of HEPA filters as opposed to the rule of thumb which states to dispose filters 10 years after the manufacture date.

Government Reports Annual Index: Keyword A-L

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ISBN 13 :
Total Pages : 1060 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Government Reports Annual Index: Keyword A-L by :

Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1987 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ERDA Energy Research Abstracts

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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration

Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

INIS Atomindex

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ISBN 13 :
Total Pages : 794 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis INIS Atomindex by :

Download or read book INIS Atomindex written by and published by . This book was released on 1996 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 900 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1985 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.

Radioactive Waste Processing and Disposal

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ISBN 13 :
Total Pages : 908 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Radioactive Waste Processing and Disposal by : U.S. Nuclear Regulatory Commission

Download or read book Radioactive Waste Processing and Disposal written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1980 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy and Water Development Appropriations for 2013

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ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Energy and Water Development Appropriations for 2013 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development

Download or read book Energy and Water Development Appropriations for 2013 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2012 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ALTERNATE HIGH EFFICIENCY PARTICULATE AIR (HEPA) FILTRATION SYSTEM.

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ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis ALTERNATE HIGH EFFICIENCY PARTICULATE AIR (HEPA) FILTRATION SYSTEM. by :

Download or read book ALTERNATE HIGH EFFICIENCY PARTICULATE AIR (HEPA) FILTRATION SYSTEM. written by and published by . This book was released on 2002 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Phase IIA of this project, CeraMem has further developed and scaled up ceramic HEPA filters that are appropriate for use on filtration of vent gas from HLW tanks at DOE sites around the country. This work included procuring recrystallized SiC monoliths, developing membrane and cement materials, and defining a manufacturing process for the production of prototype full sizes HEPA filters. CeraMem has demonstrated that prototype full size filters can be manufactured by producing 9 full size filters that passed DOP aerosol testing at the Oak Ridge Filter Test Facility. One of these filters was supplied to the Savannah River Technical Center (SRTC) for process tests using simulated HLW tank waste. SRTC has reported that the filter was regenerable (with some increase in pressure drop) and that the filter retained its HEPA retention capability. CeraMem has also developed a Regenerable HEPA Filter System (RHFS) design and acceptance test plan that was reviewed by DOE personnel. The design and acceptance test plan form the basis of the system proposal for follow-on work in Phase IIB of this project.