JP5692657B2 - 弱酸性次亜塩素酸、並びにその製造装置および製造方法 - Google Patents
弱酸性次亜塩素酸、並びにその製造装置および製造方法 Download PDFInfo
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- 230000002378 acidificating effect Effects 0.000 title claims description 162
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 title claims description 99
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 90
- 150000002500 ions Chemical class 0.000 claims description 71
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 41
- 239000000243 solution Substances 0.000 description 106
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 48
- 239000005708 Sodium hypochlorite Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 40
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 38
- 239000003456 ion exchange resin Substances 0.000 description 36
- 229920003303 ion-exchange polymer Polymers 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 24
- 239000002253 acid Substances 0.000 description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 16
- 230000000844 anti-bacterial effect Effects 0.000 description 14
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 13
- 239000000460 chlorine Substances 0.000 description 13
- 229910052801 chlorine Inorganic materials 0.000 description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 12
- 238000005507 spraying Methods 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 11
- 238000005342 ion exchange Methods 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000004061 bleaching Methods 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 235000010755 mineral Nutrition 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 238000007865 diluting Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 7
- 230000002087 whitening effect Effects 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- -1 hydrogen ions Chemical class 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 239000011575 calcium Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229960005069 calcium Drugs 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 3
- 239000001527 calcium lactate Substances 0.000 description 3
- 229960002401 calcium lactate Drugs 0.000 description 3
- 235000011086 calcium lactate Nutrition 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 229920001429 chelating resin Polymers 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 238000001139 pH measurement Methods 0.000 description 2
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000006174 pH buffer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Description
特に明記しない限り、実験には以下の材料を使用した。弱酸性イオン交換樹脂は、アンバーライトIRC-76(オルガノ株式会社)を使用した。500mlの量の弱酸性イオン交換樹脂を1lのカラムに充填して使用した。次亜塩素酸ナトリウム溶液は、市販の12%次亜塩素酸ナトリウム溶液(ツルクロンスーパー、鶴見曹達株式会社を希釈して、または希釈せずに使用した。次亜塩素酸カルシウムは、市販の顆粒剤(東ソー株式会社)を使用した。重炭酸ナトリウムは、市販の重炭酸ナトリウム(高杉製薬株式会社)を使用した。乳酸カルシウムは、市販の乳酸カルシウム(株式会社内藤商店)を使用した。
上記12%次亜塩素酸ナトリウム溶液を水で200ppmの濃度に希釈し、弱酸性イオン交換樹脂カラムを通した後のpHを測定した。樹脂通過水量は、2.3リットル/分であった。カラムに導入されるときの次亜塩素酸ナトリウム溶液の濃度は、約150〜200ppmの濃度であり、pHは、8.7であった。弱酸性イオン交換樹脂を通過した後の弱酸性次亜塩素酸の濃度は、約150〜200ppmであり、pHは、6.1〜7.4であった。以下の表1に一部の結果を示した。
上記12%次亜塩素酸ナトリウム溶液100mlに、小さじ一杯(約5g)の炭酸水素ナトリウムを添加して混合した。このとき、溶解していない炭酸水素ナトリウムが残っているため、飽和溶液であることを確認した。この溶液を希釈して、200ppmの濃度の炭酸水素ナトリウム飽和次亜塩素酸ナトリウム溶液を作製し、弱酸性イオン交換樹脂カラムを通した後のpHを測定した。樹脂通過水量は、2.3リットル/分であった。以下の表6に示すように、カラムに導入されるときの次亜塩素酸ナトリウム溶液の濃度は、約200ppmの濃度であり、pHは、8.8〜8.9であった。弱酸性イオン交換樹脂を通過した後の弱酸性次亜塩素酸の濃度は、約200ppmであり、pHは、5.8〜6.1であった。
以下の3つの実験を行った。
1.顆粒剤の次亜塩素酸カルシウム0.03gを不織布の袋に入れ100mlの精製水中に入れた。遊離残留塩素濃度は、約200ppmであり、PHは、8.6であった。
2.顆粒剤の次亜塩素酸カルシウム0.03gと弱酸性イオン交換樹脂0.6gを不織布の袋に入れ100mlの精製水中に入れた。遊離残留塩素濃度は、約200ppmであり、PHは、7.3であった。
3.顆粒剤の次亜塩素酸カルシウム0.03g、弱酸性イオン交換樹脂0.6g、および乳酸カルシウム0.6gを不織布の袋に入れ100mlの精製水中に入れた。遊離残留塩素濃度は、約200ppmであり、PHは、5.2であった。
本発明の方法によって得られた弱酸性次亜塩素酸が漂白効果を有するか否かを調べた。着色した綿の糸を、上記12%次亜塩素酸ナトリウム溶液を500ppmおよび1000ppmの濃度に希釈した溶液に浸した場合は、漂白されてしまった。一方、上記実験で得られた500ppmおよび1000ppmの濃度の弱酸性次亜塩素酸に、着色した綿の糸を浸して1日置いた。1日後でも布は、漂白されにくかった。
2・・・次亜塩素酸カルシウム
3・・・弱酸性イオン交換樹脂
4・・・弱酸性次亜塩素酸の製造装置
5・・・希釈装置
6・・・イオン交換体充填容器
7・・・流路
8・・・流路
9・・・噴霧手段
Claims (2)
- 弱酸性次亜塩素酸溶液の製造方法であって、
次亜塩素酸塩溶液を、弱酸性イオン交換体が充填された容器を通過させる工程であって、前記次亜塩素酸塩溶液は、前記容器を通過するときに塩素ガスが発生するpH以下に低下することなく通過する工程を含み、
前記次亜塩素酸塩溶液は、10000ppm以上であってもよい、製造方法。 - 前記弱酸性イオン交換体が充填された容器を通過した後の弱酸性次亜塩素酸溶液のpHは、pH3.5〜pH7.5であることを特徴とする、請求項1に記載の製造方法。
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JPPCT/JP2010/057333 | 2010-04-26 | ||
PCT/JP2010/057333 WO2011135645A1 (ja) | 2010-04-26 | 2010-04-26 | 弱酸性次亜塩素酸、並びにその製造装置および製造方法 |
JP2011544716A JP5692657B2 (ja) | 2010-04-26 | 2011-04-19 | 弱酸性次亜塩素酸、並びにその製造装置および製造方法 |
PCT/JP2011/059641 WO2011136091A1 (ja) | 2010-04-26 | 2011-04-19 | 弱酸性次亜塩素酸、並びにその製造装置および製造方法 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0410919B2 (ja) * | 1984-07-31 | 1992-02-26 | ||
JPH05237478A (ja) * | 1991-11-07 | 1993-09-17 | Omuko:Kk | 殺菌水製造方法 |
JPH06206076A (ja) * | 1992-09-04 | 1994-07-26 | Tatsuo Okazaki | 殺菌水の製造方法及び装置 |
JP2005245964A (ja) * | 2004-03-08 | 2005-09-15 | Hiromaito Co Ltd | 殺菌剤水溶液充填容器 |
JP2007007502A (ja) * | 2005-06-28 | 2007-01-18 | Noritsu Koki Co Ltd | 低食塩電解水の製造方法とその製造装置 |
JP2008229555A (ja) * | 2007-03-22 | 2008-10-02 | Sumitomo Heavy Ind Ltd | 次亜塩素酸水生成装置 |
WO2009087188A2 (en) * | 2008-01-09 | 2009-07-16 | Industrie De Nora S.P.A. | Biocide combination for use in agricultural applications |
JP2009274950A (ja) * | 2009-06-29 | 2009-11-26 | Toyohiko Doi | 分子状次亜塩素酸溶液の調製法 |
-
2011
- 2011-04-19 JP JP2011544716A patent/JP5692657B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0410919B2 (ja) * | 1984-07-31 | 1992-02-26 | ||
JPH05237478A (ja) * | 1991-11-07 | 1993-09-17 | Omuko:Kk | 殺菌水製造方法 |
JPH06206076A (ja) * | 1992-09-04 | 1994-07-26 | Tatsuo Okazaki | 殺菌水の製造方法及び装置 |
JP2005245964A (ja) * | 2004-03-08 | 2005-09-15 | Hiromaito Co Ltd | 殺菌剤水溶液充填容器 |
JP2007007502A (ja) * | 2005-06-28 | 2007-01-18 | Noritsu Koki Co Ltd | 低食塩電解水の製造方法とその製造装置 |
JP2008229555A (ja) * | 2007-03-22 | 2008-10-02 | Sumitomo Heavy Ind Ltd | 次亜塩素酸水生成装置 |
WO2009087188A2 (en) * | 2008-01-09 | 2009-07-16 | Industrie De Nora S.P.A. | Biocide combination for use in agricultural applications |
JP2009274950A (ja) * | 2009-06-29 | 2009-11-26 | Toyohiko Doi | 分子状次亜塩素酸溶液の調製法 |
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