KR930011451B1 - 무기이온교환물질에 의한 세슘과 스트론튬의 흡착과 고화체 제조방법 - Google Patents
무기이온교환물질에 의한 세슘과 스트론튬의 흡착과 고화체 제조방법 Download PDFInfo
- Publication number
- KR930011451B1 KR930011451B1 KR1019920014375A KR920014375A KR930011451B1 KR 930011451 B1 KR930011451 B1 KR 930011451B1 KR 1019920014375 A KR1019920014375 A KR 1019920014375A KR 920014375 A KR920014375 A KR 920014375A KR 930011451 B1 KR930011451 B1 KR 930011451B1
- Authority
- KR
- South Korea
- Prior art keywords
- strontium
- cesium
- adsorption
- ion exchange
- inorganic ion
- Prior art date
Links
- 229910052712 strontium Inorganic materials 0.000 title claims description 38
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 title claims description 38
- 229910052792 caesium Inorganic materials 0.000 title claims description 31
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 34
- 229910001410 inorganic ion Inorganic materials 0.000 claims description 31
- 238000005342 ion exchange Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 8
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 8
- 230000002285 radioactive effect Effects 0.000 claims description 8
- 239000010457 zeolite Substances 0.000 claims description 8
- 239000010808 liquid waste Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 8
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Chemical compound [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 4
- 239000002927 high level radioactive waste Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002901 radioactive waste Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229910001427 strontium ion Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001744 pollucite Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims (2)
- 고준위 방사성액체폐기물의 처리공정에서 흡착선택도가 각기 다른 무기이온교환물질의 특성을 이용하여 스트론튬을 흡착처리하는 단계에서 첫번째 흡착처리층에는 흡착능이 우수한 티타늄옥사이드를, 두번째 흡착처리층에는 저농도에서도 흡착능이 우수한 제올라이트 A를 충전하여 스트론튬을 흡착처리하며, 세슘의 경우 몰덴나이트를 사용하여 처리하되, 스트론튬과 세슘이 흡착된 무기이온교환물질은 여과공정에서 여분의 물을 제거하고, 건조온도를 초기에 50℃로 한후 80℃ 그리고 최종적으로 120℃에서 온도와 시간을 단계별로 구분하여 24시간 동안 수분의 건조를 실시함을 특징으로 하는 "무기이온교환물질에 의한 세슘과 스트론튬의 흡착법."
- 고준위 방사성액체폐기물의 처리공정에서 흡착선택도가 각기 다른 무기이온교환물질의 특성을 이용하여 스트론튬을 흡착처리하는 단계에서 첫번째 흡착처리층에는 흡착능이 우수한 티타늄옥사이드를, 두번째 흡착처리층에는 저농도에서도 흡착능이 우수한 제올라이트 A를 충전하여 스트론튬을 흡착처리하며, 세슘의 경우 몰덴나이트를 사용하여 처리하되, 스트론튬과 세슘이 흡착되어 있고 건조된 무기이온교환물질을 성형몰더에 넣고 100-750㎏/㎠의 압력으로 2분-60분 동안 압축.성형한후, 공기분위기하의 소결공정에서는 200℃에서 30분간, 500℃에서 30분 동안 일정온도로 유지한 다음 가열하여 최고 1200℃에서 60분 동안 다시 일정온도로 소결시켜 서서히 냉각시켜 고화체를 제조함을 특징으로 하는 "무기이온교환물질에 의한 세슘과 스트론튬의 고화체 제조방법."
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920014375A KR930011451B1 (ko) | 1992-08-11 | 1992-08-11 | 무기이온교환물질에 의한 세슘과 스트론튬의 흡착과 고화체 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920014375A KR930011451B1 (ko) | 1992-08-11 | 1992-08-11 | 무기이온교환물질에 의한 세슘과 스트론튬의 흡착과 고화체 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR930011451B1 true KR930011451B1 (ko) | 1993-12-08 |
Family
ID=19337775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920014375A KR930011451B1 (ko) | 1992-08-11 | 1992-08-11 | 무기이온교환물질에 의한 세슘과 스트론튬의 흡착과 고화체 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930011451B1 (ko) |
-
1992
- 1992-08-11 KR KR1019920014375A patent/KR930011451B1/ko not_active IP Right Cessation
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