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Title: Sintered Stainless Steel pre-filter test report

Abstract

Rotary mode core sampling of waste tanks uses a nitrogen purge gas to remove cuttings from the drill bit. The use of the nitrogen purge gas requires an exhauster to remove the purge gas and maintain a negative pressure inside the tank. The exhauster will experience a high HEPA (High Efficiency Particulate Air) filter loading rate due to the cuttings from the rotary mode core sampling operation. This prompted the investigation of a re-useable pre-filter media that would lower the frequency of HEPA filter change out and reduce personnel exposure. The candidate media for the pre-filter was selected to be Bekipor ST-AL multi-layered metal fiber filter media (Sintered Stainless Steel). This sintered stainless steel media produces a fine mesh filter rated 99% efficient on 5 micron particulate. This media is commonly used in fluid and gas filtration systems. This media was tested to determine its ability to be cleaned and reused. Results of testing as well as a description of the test environment and conclusions are provided in this report.

Authors:
Publication Date:
Research Org.:
Westinghouse Hanford Co., Richland, WA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10116046
Report Number(s):
WHC-SD-WM-TRP-150
ON: DE94005488; BR: 35AF11201/35AF11202
DOE Contract Number:  
AC06-87RL10930
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 24 Aug 1993
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; FILTERS; PERFORMANCE TESTING; RADIOACTIVE WASTES; SAMPLING; TANKS; WASTE STORAGE; DRILL CORES; DRILL BITS; CUTTINGS REMOVAL; SIMULATION; SOLID WASTES; STAINLESS STEELS; EXPERIMENTAL DATA; 052002; WASTE DISPOSAL AND STORAGE

Citation Formats

Austin, D A. Sintered Stainless Steel pre-filter test report. United States: N. p., 1993. Web.
Austin, D A. Sintered Stainless Steel pre-filter test report. United States.
Austin, D A. Tue . "Sintered Stainless Steel pre-filter test report". United States.
@article{osti_10116046,
title = {Sintered Stainless Steel pre-filter test report},
author = {Austin, D A},
abstractNote = {Rotary mode core sampling of waste tanks uses a nitrogen purge gas to remove cuttings from the drill bit. The use of the nitrogen purge gas requires an exhauster to remove the purge gas and maintain a negative pressure inside the tank. The exhauster will experience a high HEPA (High Efficiency Particulate Air) filter loading rate due to the cuttings from the rotary mode core sampling operation. This prompted the investigation of a re-useable pre-filter media that would lower the frequency of HEPA filter change out and reduce personnel exposure. The candidate media for the pre-filter was selected to be Bekipor ST-AL multi-layered metal fiber filter media (Sintered Stainless Steel). This sintered stainless steel media produces a fine mesh filter rated 99% efficient on 5 micron particulate. This media is commonly used in fluid and gas filtration systems. This media was tested to determine its ability to be cleaned and reused. Results of testing as well as a description of the test environment and conclusions are provided in this report.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1993},
month = {8}
}

Technical Report:
Other availability
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