Title:
RADIOACTIVE SUBSTANCE FILTER
Document Type and Number:
Japanese Patent JP2013003055
Kind Code:
A
Abstract:
To provide a radioactive substance filter which is capable of reducing disassembly work and reducing the volume of waste regarding problems in radioactive waste storage and radioactive waste processing.
A radioactive substance filter is comprised of only combustible materials including combustible filter media comprised of only a laminate of polypropylene melt blow unwoven fabric, a combustible frame comprised of veneer plywood and a combustible separator comprised of polyethylene or polypropylene coating paper. A pressure loss under a filter unit rating air capacity 50.0 m3/min is 300 Pa or less and collection efficiency of 0.15 μm particles according to JISZ4812 is 99.97% or more.
Inventors:
ISHIYAMA SHINTARO
ASANO MASAHARU
CHIN SHINKA
SAITO YOSHIHARU
KOYAMA MASAHIRO
ASANO MASAHARU
CHIN SHINKA
SAITO YOSHIHARU
KOYAMA MASAHIRO
Application Number:
JP2011136720A
Publication Date:
January 07, 2013
Filing Date:
June 20, 2011
Export Citation:
Assignee:
JAPAN ATOMIC ENERGY AGENCY
NIPPON HOSHASEN ENGINEERING KK
KANKEI CORP
NIPPON HOSHASEN ENGINEERING KK
KANKEI CORP
International Classes:
G21F9/02; B01D39/16; B01D46/52; D06M13/224; D06M14/28; D06M101/20
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Minako Matsuyama
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Minako Matsuyama
Previous Patent: WAVEFORM MEASUREMENT DEVICE
Next Patent: OXIDATIVE CONSUMPTION TEST APPARATUS AND TEST METHOD FOR CARBON MATERIAL
Next Patent: OXIDATIVE CONSUMPTION TEST APPARATUS AND TEST METHOD FOR CARBON MATERIAL