JP2008272667A - 逆浸透膜処理剤およびそれを用いた逆浸透膜処理方法 - Google Patents
逆浸透膜処理剤およびそれを用いた逆浸透膜処理方法 Download PDFInfo
- Publication number
- JP2008272667A JP2008272667A JP2007119377A JP2007119377A JP2008272667A JP 2008272667 A JP2008272667 A JP 2008272667A JP 2007119377 A JP2007119377 A JP 2007119377A JP 2007119377 A JP2007119377 A JP 2007119377A JP 2008272667 A JP2008272667 A JP 2008272667A
- Authority
- JP
- Japan
- Prior art keywords
- reverse osmosis
- osmosis membrane
- membrane treatment
- organic solvent
- membrane
- 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.)
- Granted
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 75
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- -1 halo cyanoacetamide compound Chemical class 0.000 claims abstract description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 56
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Chemical group 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 32
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 11
- 229910021642 ultra pure water Inorganic materials 0.000 abstract description 9
- 239000012498 ultrapure water Substances 0.000 abstract description 9
- 239000003899 bactericide agent Substances 0.000 abstract description 8
- 239000000645 desinfectant Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 230000001476 alcoholic effect Effects 0.000 abstract description 2
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 239000012466 permeate Substances 0.000 description 8
- UUIVKBHZENILKB-UHFFFAOYSA-N 2,2-dibromo-2-cyanoacetamide Chemical compound NC(=O)C(Br)(Br)C#N UUIVKBHZENILKB-UHFFFAOYSA-N 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 230000000855 fungicidal effect Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- 239000000417 fungicide Substances 0.000 description 6
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 6
- 239000011976 maleic acid Substances 0.000 description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 125000001477 organic nitrogen group Chemical group 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 description 1
- NPBBKHBCJWFQRJ-UHFFFAOYSA-N 2,2-dibromo-2-cyano-n-methylacetamide Chemical compound CNC(=O)C(Br)(Br)C#N NPBBKHBCJWFQRJ-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- CMGUQBVAFUHNCK-UHFFFAOYSA-N 2-bromo-2-chloro-2-cyanoacetamide Chemical class NC(=O)C(Cl)(Br)C#N CMGUQBVAFUHNCK-UHFFFAOYSA-N 0.000 description 1
- ABBGMXMPOCXVNL-UHFFFAOYSA-N 2-bromo-2-cyanoacetamide Chemical compound NC(=O)C(Br)C#N ABBGMXMPOCXVNL-UHFFFAOYSA-N 0.000 description 1
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- CTIMRTHKCITIKI-UHFFFAOYSA-N C(CC)NC(C(C#N)(Br)Cl)=O Chemical compound C(CC)NC(C(C#N)(Br)Cl)=O CTIMRTHKCITIKI-UHFFFAOYSA-N 0.000 description 1
- MDQGNRKMEFBLEF-UHFFFAOYSA-N ClC(C(=O)N)(C#N)Cl.ClC(C(=O)N)C#N Chemical compound ClC(C(=O)N)(C#N)Cl.ClC(C(=O)N)C#N MDQGNRKMEFBLEF-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000001614 effect on membrane Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- CRUISIDZTHMGJT-UHFFFAOYSA-L zinc;dichloride;hydrochloride Chemical compound Cl.[Cl-].[Cl-].[Zn+2] CRUISIDZTHMGJT-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
【解決手段】ハロシアノアセトアミド化合物等の殺菌剤と、RO膜を透過しにくい特定の構造1または構造2を含むアルコールまたはグリコール系有機溶剤を含有することを特徴とする逆浸透膜処理剤、およびそれを用いた逆浸透膜処理方法。
【選択図】なし
Description
本発明においては、RO膜の殺菌処理剤として、特定の化合物、代表的にはハロシアノアセトアミド化合物を使用する。このハロシアノアセトアミド化合物は、前述の一般式1で表される。このようなハロシアノアセトアミド化合物として、具体的には2-ブロモ-3-ニトリロプロピオンアミド、2,2-ジブロモ-3-ニトリロプロピオンアミド(DBNPA)、2-クロロ-2-ブロモ-3-ニトリロプロピオンアミド、2-クロロ-3-ニトリロプロピオンアミド2,2-ジクロロ-3-ニトリロプロピオンアミド、N-メチル-2,2-ジブロモ-3-ニトリロプロピオンアミド、N-プロピル-2- クロロ-2-ブロモ-3-ニトリロプロピオンアミド等が挙げられる。これらは単独で用いてもよいし、2種以上を組み合わせて用いてもよい。
(RO膜の透過率)
表1に示すような組成の殺菌剤(殺菌剤の組成(重量%))の実施例1と比較例1、2、3を用意した。これらを超純水にそれぞれ100mg/Lとなるよう添加し、RO膜装置(RO膜:日東電工社製逆浸透膜ES-10)に通水し運転を行った。この運転において、循環水と透過水のTOC(全有機炭素)を測定し、TOC成分としての薬剤のRO膜透過率を比較した結果を表2に示す。
(RO膜への影響)
超純水に塩化ナトリウム、シリカを添加した試験水に、参考実施例1としてハロシアノアセトアミド系殺菌剤であるDBNPAを60mg/Lとなるよう添加したもの、参考比較例1として1日10分間のみ、次亜塩素酸Na(有効塩素12%)を遊離塩素で1mg/Lとなるよう添加したものをRO膜装置に通水して運転を行い、500時間後のイオンの除去率を比較した。結果を表5に示す。なお、RO膜は日東電工社製逆浸透膜ES-10を使用した。
(殺菌効果の比較)
菌を培養し、菌数が104 程度存在する試験水に対し、参考実施例2としてDBNPAを5mg/L、参考比較例2として代表的な有機窒素系殺菌剤であるCMI(5-クロロ-2-メチル-4-イソチアゾリン-3-オン)を5mg/Lをそれぞれ添加し、所定時間後の菌数を測定した。結果を表6に示す。
Claims (5)
- 前記アルコールまたはグリコール系有機溶剤の分子量が70〜200の範囲内にある、請求項1〜3のいずれかに記載の逆浸透膜処理剤。
- 請求項1〜4のいずれかに記載の逆浸透膜処理剤を用いて、ポリアミド系複合膜からなる逆浸透膜を処理することを特徴とする逆浸透膜処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007119377A JP5507038B2 (ja) | 2007-04-27 | 2007-04-27 | 逆浸透膜用の殺菌剤およびそれを用いた逆浸透膜の殺菌処理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007119377A JP5507038B2 (ja) | 2007-04-27 | 2007-04-27 | 逆浸透膜用の殺菌剤およびそれを用いた逆浸透膜の殺菌処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008272667A true JP2008272667A (ja) | 2008-11-13 |
JP5507038B2 JP5507038B2 (ja) | 2014-05-28 |
Family
ID=40051330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007119377A Active JP5507038B2 (ja) | 2007-04-27 | 2007-04-27 | 逆浸透膜用の殺菌剤およびそれを用いた逆浸透膜の殺菌処理方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5507038B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101633343B1 (ko) | 2015-10-16 | 2016-06-24 | (주)프라임 텍 인터내쇼날 | 비산화성 살균제를 대체하는 역삼투막용 기능성 살균제 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04126524A (ja) * | 1990-07-31 | 1992-04-27 | Asahi Glass Co Ltd | 拡散透析法 |
JPH04193333A (ja) * | 1990-11-27 | 1992-07-13 | Kurita Water Ind Ltd | 油分汚染膜用洗浄剤 |
JPH08133910A (ja) * | 1994-09-13 | 1996-05-28 | Takeda Chem Ind Ltd | 殺菌剤および殺菌方法 |
JP2002226307A (ja) * | 2001-02-06 | 2002-08-14 | Tokyo Fine Chem Kk | 殺菌剤組成物および殺菌剤の安定化方法 |
JP2002226308A (ja) * | 2000-12-28 | 2002-08-14 | Rohm & Haas Co | ハロシアノアセトアミド抗微生物組成物 |
JP2002320968A (ja) * | 2001-04-27 | 2002-11-05 | Japan Organo Co Ltd | 膜分離方法 |
JP2003026524A (ja) * | 2001-07-11 | 2003-01-29 | Takeda Chem Ind Ltd | 工業用殺菌組成物 |
JP2005041858A (ja) * | 2003-07-24 | 2005-02-17 | Rohm & Haas Co | 殺微生物組成物 |
JP2006022097A (ja) * | 2004-07-02 | 2006-01-26 | Rohm & Haas Co | 殺菌組成物 |
JP2006089402A (ja) * | 2004-09-22 | 2006-04-06 | Nomura Micro Sci Co Ltd | 殺菌剤及び殺菌剤を用いた純水及び超純水の製造方法 |
-
2007
- 2007-04-27 JP JP2007119377A patent/JP5507038B2/ja active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04126524A (ja) * | 1990-07-31 | 1992-04-27 | Asahi Glass Co Ltd | 拡散透析法 |
JPH04193333A (ja) * | 1990-11-27 | 1992-07-13 | Kurita Water Ind Ltd | 油分汚染膜用洗浄剤 |
JPH08133910A (ja) * | 1994-09-13 | 1996-05-28 | Takeda Chem Ind Ltd | 殺菌剤および殺菌方法 |
JP2002226308A (ja) * | 2000-12-28 | 2002-08-14 | Rohm & Haas Co | ハロシアノアセトアミド抗微生物組成物 |
JP2002226307A (ja) * | 2001-02-06 | 2002-08-14 | Tokyo Fine Chem Kk | 殺菌剤組成物および殺菌剤の安定化方法 |
JP2002320968A (ja) * | 2001-04-27 | 2002-11-05 | Japan Organo Co Ltd | 膜分離方法 |
JP2003026524A (ja) * | 2001-07-11 | 2003-01-29 | Takeda Chem Ind Ltd | 工業用殺菌組成物 |
JP2005041858A (ja) * | 2003-07-24 | 2005-02-17 | Rohm & Haas Co | 殺微生物組成物 |
JP2006022097A (ja) * | 2004-07-02 | 2006-01-26 | Rohm & Haas Co | 殺菌組成物 |
JP2006089402A (ja) * | 2004-09-22 | 2006-04-06 | Nomura Micro Sci Co Ltd | 殺菌剤及び殺菌剤を用いた純水及び超純水の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101633343B1 (ko) | 2015-10-16 | 2016-06-24 | (주)프라임 텍 인터내쇼날 | 비산화성 살균제를 대체하는 역삼투막용 기능성 살균제 |
Also Published As
Publication number | Publication date |
---|---|
JP5507038B2 (ja) | 2014-05-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5720964B2 (ja) | 結合塩素剤、その製造および使用方法 | |
JP6533056B2 (ja) | ろ過処理システムおよびろ過処理方法 | |
JP2009247992A (ja) | 純水製造方法および純水製造装置 | |
JP2010063998A (ja) | 分離膜用スライム防止剤組成物および膜分離方法 | |
JP2016120457A (ja) | ろ過処理システムおよびろ過処理方法 | |
JP5807634B2 (ja) | 逆浸透膜処理方法 | |
JP2010201312A (ja) | 膜分離方法 | |
JP2009165949A (ja) | 抗菌性分離膜、その製造方法、および抗菌性分離膜の製造装置 | |
JP2009183825A (ja) | 水処理装置 | |
JP5635596B2 (ja) | ハロゲン化アミド殺生物化合物および中性近傍から高pHで水系を処理する方法 | |
TW201827347A (zh) | 利用逆滲透膜的水處理方法及水處理裝置 | |
JP5507038B2 (ja) | 逆浸透膜用の殺菌剤およびそれを用いた逆浸透膜の殺菌処理方法 | |
WO2021192583A1 (ja) | 水回収システムおよび水回収方法 | |
JP6823401B2 (ja) | 低分子有機物含有水の処理方法および逆浸透膜の改質方法 | |
WO2021192582A1 (ja) | 水処理方法、水処理装置、および膜用のスライム抑制剤 | |
JP2021151966A (ja) | 殺菌剤、殺菌剤の製造方法、殺菌方法、分離膜用スライム抑制剤、および分離膜のスライム抑制方法 | |
JP5281465B2 (ja) | 殺菌殺藻剤組成物、水系の殺菌殺藻方法および殺菌殺藻剤組成物の製造方法 | |
JP2006089402A (ja) | 殺菌剤及び殺菌剤を用いた純水及び超純水の製造方法 | |
JP7250612B2 (ja) | 水系の殺菌方法、および水系のニトロソアミン化合物の除去方法 | |
JP2022055644A (ja) | 逆浸透膜のファウリング判定方法、判定装置、水処理方法、および水処理装置 | |
CN111184023A (zh) | 一种氧化性粘泥剥离及杀菌剂及其制备方法和应用 | |
JP2015181983A (ja) | 逆浸透膜処理用スライムコントロール剤及び逆浸透膜 | |
JP2020032395A (ja) | 分離膜のファウリング防止剤及びファウリング防止方法 | |
JP7492876B2 (ja) | 水処理方法および水処理装置 | |
JP7141919B2 (ja) | 逆浸透膜処理方法、逆浸透膜処理システム、水処理方法、および水処理システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20091022 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110127 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120622 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120815 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120911 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121004 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130730 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20131015 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20130927 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131220 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20140106 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140318 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140319 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5507038 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |