JP2021096186A - 有機よう素除去剤および有機よう素除去装置 - Google Patents
有機よう素除去剤および有機よう素除去装置 Download PDFInfo
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- JP2021096186A JP2021096186A JP2019228420A JP2019228420A JP2021096186A JP 2021096186 A JP2021096186 A JP 2021096186A JP 2019228420 A JP2019228420 A JP 2019228420A JP 2019228420 A JP2019228420 A JP 2019228420A JP 2021096186 A JP2021096186 A JP 2021096186A
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- JP
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- Prior art keywords
- organic iodine
- cation
- group
- remover
- organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 title claims abstract description 252
- 229910052740 iodine Inorganic materials 0.000 title claims abstract description 252
- 239000011630 iodine Substances 0.000 title claims abstract description 252
- 239000003795 chemical substances by application Substances 0.000 title abstract description 21
- 150000001768 cations Chemical class 0.000 claims abstract description 91
- 150000001450 anions Chemical class 0.000 claims abstract description 61
- -1 sulfonium cation Chemical class 0.000 claims abstract description 38
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 17
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 15
- 125000004434 sulfur atom Chemical group 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 9
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 claims abstract description 9
- 125000004437 phosphorous atom Chemical group 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
- 125000003277 amino group Chemical group 0.000 claims abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 4
- 125000001424 substituent group Chemical group 0.000 claims description 64
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 11
- 125000005843 halogen group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 150000002892 organic cations Chemical class 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims description 2
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical group NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 claims description 2
- 125000001302 tertiary amino group Chemical group 0.000 claims description 2
- 125000003396 thiol group Chemical group [H]S* 0.000 abstract description 2
- 125000004429 atom Chemical group 0.000 description 42
- 239000007789 gas Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 238000005201 scrubbing Methods 0.000 description 26
- 125000000962 organic group Chemical group 0.000 description 20
- 238000000354 decomposition reaction Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 150000002891 organic anions Chemical class 0.000 description 12
- 239000000941 radioactive substance Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 11
- 238000013022 venting Methods 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 9
- 239000002608 ionic liquid Substances 0.000 description 9
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- 238000002955 isolation Methods 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000001721 carbon Chemical group 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
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- 150000002500 ions Chemical class 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PYVOHVLEZJMINC-UHFFFAOYSA-N trihexyl(tetradecyl)phosphanium Chemical group CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC PYVOHVLEZJMINC-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000013626 chemical specie Substances 0.000 description 3
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- 238000009792 diffusion process Methods 0.000 description 3
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- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000003444 phase transfer catalyst Substances 0.000 description 3
- 150000003839 salts Chemical group 0.000 description 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 3
- 235000019345 sodium thiosulphate Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- XREPTGNZZKNFQZ-UHFFFAOYSA-M 1-butyl-3-methylimidazolium iodide Chemical compound [I-].CCCCN1C=C[N+](C)=C1 XREPTGNZZKNFQZ-UHFFFAOYSA-M 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- HYNYWFRJHNNLJA-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;trihexyl(tetradecyl)phosphanium Chemical class FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC HYNYWFRJHNNLJA-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 230000000269 nucleophilic effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 150000003140 primary amides Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000012857 radioactive material Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910016467 AlCl 4 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 208000035404 Autolysis Diseases 0.000 description 1
- IVRMZWNICZWHMI-UHFFFAOYSA-N Azide Chemical compound [N-]=[N+]=[N-] IVRMZWNICZWHMI-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- XGCHUMGYLZBNCV-UHFFFAOYSA-N CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)N Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)N XGCHUMGYLZBNCV-UHFFFAOYSA-N 0.000 description 1
- PRPVLLYSFUUWCP-UHFFFAOYSA-M CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)N.[Cl-] Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)N.[Cl-] PRPVLLYSFUUWCP-UHFFFAOYSA-M 0.000 description 1
- KBFXYOAUZXZMJH-UHFFFAOYSA-N CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)O Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)O KBFXYOAUZXZMJH-UHFFFAOYSA-N 0.000 description 1
- SHCSQWMTEYQQOX-UHFFFAOYSA-M CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)O.[Cl-] Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)O.[Cl-] SHCSQWMTEYQQOX-UHFFFAOYSA-M 0.000 description 1
- RPKHFMVPWSROIB-UHFFFAOYSA-N CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)P Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)P RPKHFMVPWSROIB-UHFFFAOYSA-N 0.000 description 1
- ZAVHMDMUZURTJO-UHFFFAOYSA-M CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)P.[Cl-] Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)P.[Cl-] ZAVHMDMUZURTJO-UHFFFAOYSA-M 0.000 description 1
- OTRXDBWWCDZWET-UHFFFAOYSA-N CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)S Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)S OTRXDBWWCDZWET-UHFFFAOYSA-N 0.000 description 1
- 206010057248 Cell death Diseases 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- NQRYJNQNLNOLGT-UHFFFAOYSA-O Piperidinium(1+) Chemical compound C1CC[NH2+]CC1 NQRYJNQNLNOLGT-UHFFFAOYSA-O 0.000 description 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-O Pyrrolidinium ion Chemical compound C1CC[NH2+]C1 RWRDLPDLKQPQOW-UHFFFAOYSA-O 0.000 description 1
- OKJPEAGHQZHRQV-UHFFFAOYSA-N Triiodomethane Natural products IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000006193 alkinyl group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- HYGWNUKOUCZBND-UHFFFAOYSA-N azanide Chemical compound [NH2-] HYGWNUKOUCZBND-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- INDFXCHYORWHLQ-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-butyl-3-methylimidazol-3-ium Chemical compound CCCCN1C=C[N+](C)=C1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F INDFXCHYORWHLQ-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229940006460 bromide ion Drugs 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000000480 butynyl group Chemical group [*]C#CC([H])([H])C([H])([H])[H] 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
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- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
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- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical compound [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YNAVUWVOSKDBBP-UHFFFAOYSA-O morpholinium Chemical compound [H+].C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-O 0.000 description 1
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
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- SEJMVYAYDWPQBJ-UHFFFAOYSA-N tetradecylphosphanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[PH3+] SEJMVYAYDWPQBJ-UHFFFAOYSA-N 0.000 description 1
- 238000001089 thermophoresis Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- JCQGIZYNVAZYOH-UHFFFAOYSA-M trihexyl(tetradecyl)phosphanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC JCQGIZYNVAZYOH-UHFFFAOYSA-M 0.000 description 1
- WRTMQOHKMFDUKX-UHFFFAOYSA-N triiodide Chemical compound I[I-]I WRTMQOHKMFDUKX-UHFFFAOYSA-N 0.000 description 1
- 229940006158 triiodide ion Drugs 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
Description
図1には、有機よう素除去剤を、原子炉施設のフィルタベント装置に適用した例を示す。図1に示すフィルタベント装置100は、原子炉格納容器2から放出されるベントガスを、フィルタベント容器1に注入される有機よう素除去剤120に通気させて処理する構成とされている。
有機よう素除去剤としては、カチオンとアニオンから構成される物質が用いられる。有機よう素除去剤は、「有機よう素の溶解」、「有機よう素の分解」、「有機よう素の分解物の保持」を行う。これらの3段階によって、ベントガス中の有機よう素が効率的に除去される。
X+−Y− + RI → X+−I− + R+−Y−・・・(1)
有機よう素除去剤を構成するカチオンとしては、正電荷を帯びるリン原子(P)、窒素原子(N)または硫黄原子(S)に電子供与基が結合した分子構造を有する有機カチオンが用いられる。なお、このような分子構造は、カチオンのうちの少なくとも一部が有していればよい。
有機よう素除去剤を構成するアニオンとしては、有機よう素に対する求核性を示し、前記のカチオンとの組み合わせにおいて、有機よう素除去剤に要求される不揮発性や、有機よう素の溶解能力が得られる限り、適宜のアニオンを用いることができる。アニオンとしては、有機アニオンおよび無機アニオンのいずれを用いることもできる。
図2には、有機よう素を含むガスを有機よう素除去剤に通気し、通気後に測定された有機よう素の量を、初期量に対する割合(除去効率)として計算した結果を示している。有機よう素除去剤としては、A〜Gの7種を用いた。D〜Gの除去効率の結果は、CとD〜Gとを混合した混合剤の結果である。混合剤に入れたD〜Gの量は9%である。
図2のBは、トリヘキシル(テトラデシル)ホスホニウムジシアナミドである。
図2のCは、トリヘキシル(テトラデシル)ホスホニウムクロリドである。
図2のDは、ホスファニルジヘキシル(テトラデシル)ホスホニウムクロリドである。
図2のEは、アミノジヘキシル(テトラデシル)ホスホニウムクロリドである。
図2のFは、チオールジヘキシル(テトラデシル)ホスホニウムクロリドである。
図2のGは、ヒドロキシジヘキシル(テトラデシル)ホスホニウムクロリドである。
2 原子炉格納容器
3 ドライウェルベント配管(導入配管)
4 ウェットウェルベント配管(導入配管)
5 隔離弁
6 隔離弁
7 入口配管(導入配管)
8 金属フィルタ
9 出口配管
10 排気筒
12 保管容器
13 注入配管
14 注入弁
20 原子炉圧力容器
21 ドライウェル
22 ウェットウェル
100 フィルタベント装置(有機よう素除去装置)
110 スクラビング水
120 有機よう素除去剤
Claims (14)
- 有機よう素を除去する有機よう素除去剤であって、前記有機よう素除去剤は、カチオンとアニオンから構成される物質であり、前記カチオンは、リン原子、窒素原子または硫黄原子に電子供与基が結合した分子構造を有する有機よう素除去剤。
- 請求項1に記載の有機よう素除去剤であって、
前記有機よう素除去剤は、前記カチオンを有するカチオン分子と、前記アニオンを有するアニオン分子と、からなる有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記有機よう素除去剤は、前記カチオンと前記アニオンを有する双性分子からなる有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記カチオンは、ホスホニウムカチオン、アンモニウムカチオン、または、スルホニウムカチオンである有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記カチオンは、前記電子供与基が結合した分子構造を有するカチオン分子のみからなる有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記カチオンは、前記電子供与基が結合した分子構造を有するカチオン分子と、前記電子供与基が結合していない分子構造を有するカチオン分子と、からなる有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記電子供与基は、前記リン原子、前記窒素原子または前記硫黄原子に一以上結合している有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記電子供与基は、置換基を有していてもよい第1級ホスフィノ基、置換基を有していてもよい第2級ホスフィノ基、または、置換基を有していてもよい第3級ホスフィノ基である有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記電子供与基は、置換基を有していてもよい第1級アミノ基、置換基を有していてもよい第2級アミノ基、または、置換基を有していてもよい第3級アミノ基である有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記電子供与基は、スルファニル基、または、置換基を有していてもよいアルキルスルファニル基である有機よう素除去剤。 - 請求項1に記載の有機よう素除去剤であって、
前記電子供与基は、ヒドロキシ基、または、置換基を有していてもよいアルコキシ基である有機よう素除去剤。 - 請求項8から請求項12のいずれか一項に記載の有機よう素除去剤であって、
前記置換基は、炭素原子、水素原子、酸素原子、窒素原子、硫黄原子およびハロゲン原子のうちの一以上で構成された置換基である有機よう素除去剤。 - 請求項8から請求項12のいずれか一項に記載の有機よう素除去剤であって、
前記置換基は、単結合、二重結合および三重結合のうちの一以上で構成された置換基である有機よう素除去剤。 - 有機よう素を除去する有機よう素除去装置であって、
有機よう素を除去する有機よう素除去剤を入れる容器と、
有機よう素を含む流体を前記有機よう素除去剤に導入するための導入配管と、を備え、
前記有機よう素除去剤は、カチオンとアニオンから構成される物質であり、前記カチオンは、リン原子、窒素原子または硫黄原子に電子供与基が結合した分子構造を有する有機よう素除去装置。
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JP2002350588A (ja) * | 2001-05-25 | 2002-12-04 | Ebara Corp | ヨウ素除去フィルタ及びヨウ素除去装置 |
JP2012250198A (ja) * | 2011-06-03 | 2012-12-20 | Kaneka Corp | ヨウ素酸イオンの除去・吸着方法 |
WO2016045980A1 (en) * | 2014-09-22 | 2016-03-31 | Westinghouse Electric Sweden Ab | A method for cleaning contaminated gas |
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KR20190105459A (ko) * | 2018-03-05 | 2019-09-17 | 국방과학연구소 | 개질된 금속-유기 골격체의 방사성 가스 제거 용도 |
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US3471544A (en) * | 1966-12-22 | 1969-10-07 | Dow Chemical Co | Phosphonium zwitterion |
GB9919606D0 (en) | 1999-08-19 | 1999-10-20 | British Nuclear Fuels Plc | Process for recycling ionic liquids |
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US4695561A (en) * | 1983-06-22 | 1987-09-22 | Deitz Victor R | Chemically impregnated in situ regeneration of the efficiency of activated carbon filters for trapping radioactive iodine |
JP2002350588A (ja) * | 2001-05-25 | 2002-12-04 | Ebara Corp | ヨウ素除去フィルタ及びヨウ素除去装置 |
JP2012250198A (ja) * | 2011-06-03 | 2012-12-20 | Kaneka Corp | ヨウ素酸イオンの除去・吸着方法 |
WO2016045980A1 (en) * | 2014-09-22 | 2016-03-31 | Westinghouse Electric Sweden Ab | A method for cleaning contaminated gas |
CN106554272A (zh) * | 2015-09-24 | 2017-04-05 | 中国石油化工股份有限公司 | 一种脱除有机酸中碘离子的方法 |
KR20190105459A (ko) * | 2018-03-05 | 2019-09-17 | 국방과학연구소 | 개질된 금속-유기 골격체의 방사성 가스 제거 용도 |
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