JP6852205B2 - 次亜塩素酸系水溶液 - Google Patents
次亜塩素酸系水溶液 Download PDFInfo
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- JP6852205B2 JP6852205B2 JP2020031932A JP2020031932A JP6852205B2 JP 6852205 B2 JP6852205 B2 JP 6852205B2 JP 2020031932 A JP2020031932 A JP 2020031932A JP 2020031932 A JP2020031932 A JP 2020031932A JP 6852205 B2 JP6852205 B2 JP 6852205B2
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- hypochlorous acid
- aqueous solution
- based aqueous
- effective chlorine
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- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 title claims description 99
- 239000007864 aqueous solution Substances 0.000 title claims description 78
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 57
- 239000000460 chlorine Substances 0.000 claims description 57
- 229910052801 chlorine Inorganic materials 0.000 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 27
- 230000008859 change Effects 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 17
- 238000001223 reverse osmosis Methods 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 238000000354 decomposition reaction Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000012153 distilled water Substances 0.000 claims description 4
- 241000700605 Viruses Species 0.000 description 29
- 239000007789 gas Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 230000001954 sterilising effect Effects 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- 238000005507 spraying Methods 0.000 description 12
- 238000001704 evaporation Methods 0.000 description 11
- 230000008020 evaporation Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 11
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- -1 alkali metal salts Chemical class 0.000 description 7
- 230000001877 deodorizing effect Effects 0.000 description 7
- 239000003002 pH adjusting agent Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000008399 tap water Substances 0.000 description 7
- 235000020679 tap water Nutrition 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000005708 Sodium hypochlorite Substances 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000588724 Escherichia coli Species 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000036962 time dependent Effects 0.000 description 4
- 229920001817 Agar Polymers 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 3
- 239000008272 agar Substances 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 235000019645 odor Nutrition 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000702315 Escherichia virus phiX174 Species 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- HPEWZLCIOKVLBZ-UHFFFAOYSA-N barium hypochlorite Chemical compound [Ba+2].Cl[O-].Cl[O-] HPEWZLCIOKVLBZ-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002953 phosphate buffered saline Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
12%次亜塩素酸ナトリウム1質量部を、室温(25±1.0℃)で逆浸透膜処理水(導電率の測定値:0.51mS/m、全有機炭素の測定値:0.06mg/L)1700質量部に混合し、炭酸ガスを加えることによって、pH6.3に調整した。得られた次亜塩素酸系水溶液の有効塩素濃度は、70mg/Lであった。調製した次亜塩素酸系水溶液をアルミパウチ容器(アルミニウムフィルムの両面に樹脂フィルムを積層した4層構造)に収容し、密閉した。
実施例1と同様にして調製した次亜塩素酸系水溶液をバッグインボックス(BIB)容器(ポリエチレン製内装容器をダンボール製外装容器に収納した複合容器)に収容し、密閉した。BIB容器に収容した未開封の次亜塩素酸系水溶液について、実施例1と同様にして、197日後の有効塩素濃度およびpHの経時変化を測定した。有効塩素分解速度、pH変化量の結果を表1に示す。また、有効塩素濃度の経時変化を図1に示し、pHの経時変化を図2に示す。
12%次亜塩素酸ナトリウム1質量部を、室温(25±1.0℃)で逆浸透膜処理水(導電率の測定値:0.51mS/m、全有機炭素の測定値:0.06mg/L)1700質量部に混合し、炭酸ガスを加えることによって、pH5.8に調整した。得られた次亜塩素酸系水溶液の有効塩素濃度は、268mg/Lであった。調製した次亜塩素酸系水溶液をアルミパウチ容器(アルミニウムフィルムの両面に樹脂フィルムを積層した4層構造)に収容し、密閉した。
12%次亜塩素酸ナトリウム1質量部を、室温(25±1.0℃)で逆浸透膜処理水(導電率の測定値:0.51mS/m、全有機炭素の測定値:0.06mg/L)1700質量部に混合し、塩酸(1+2)を加えることによって、pH5.8に調整した。得られた次亜塩素酸系水溶液の有効塩素濃度は、275mg/Lであった。調製した次亜塩素酸系水溶液をアルミパウチ容器(アルミニウムフィルムの両面に樹脂フィルムを積層した4層構造)に収容し、密閉した。
[白色塩類の析出について]
次亜塩素酸系水溶液を超音波噴霧した場合、机等に白色塩類が析出することがある。その白色塩類を定量するため、逆浸透膜処理水(実施例3)および水道水(比較例3)を原料にした次亜塩素酸系水溶液を製造し、その蒸発残留物を調べることで検証した。蒸発残留物は、上水試験方法(2011年版)II.理化学編 II−3.11.2により測定した。超音波噴霧器を用いて、逆浸透膜処理水を原料にした次亜塩素酸系水溶液、水道水を原料にした次亜塩素酸系水溶液それぞれについて、噴霧前の次亜塩素酸系水溶液の蒸発残留物と、80分間噴霧後に超音波噴霧器のタンクに残った次亜塩素酸系水溶液の蒸発残留物の量を、測定した。結果を表3に示す。なお、用いた水道水の導電率の測定値は、27.5mS/m、全有機炭素の測定値は、0.28mg/Lであった。
[浮遊ウイルスの抑制試験]
次亜塩素酸系水溶液を噴霧することによって、浮遊ウイルスをどの程度抑制できるかを、一般社団法人日本電機工業会規格 JEM1467「家庭用空気清浄機」の附属書D「浮遊ウイルスに対する除去性能評価試験」に準じて、6畳の空間に相当する25m3試験チャンバーを用いて評価した。
対数減少値=Log10(初期ウイルス数÷経過時間ごとのウイルス数)
正味の対数減少値=試験品運転時の対数減少値−コントロールの対数減少値
減少率(%)=(1−1/10(対数減少値))×100(%)
Claims (4)
- 次亜塩素酸またはその塩と、炭酸ガスと、導電率が1mS/m以下、全有機炭素が0.1mg/L以下である水と、を含み、
pHが4〜7の範囲であり、有効塩素濃度が50〜300mg/Lの範囲であり、
アルミパウチ容器に収容されていることを特徴とする次亜塩素酸系水溶液。 - 請求項1に記載の次亜塩素酸系水溶液であって、
前記水が、逆浸透膜処理水、イオン交換水、蒸留水、またはこれらのうちの2つ以上の組み合わせのうちの1つであることを特徴とする次亜塩素酸系水溶液。 - 請求項1または2に記載の次亜塩素酸系水溶液であって、
製造後25℃保管における有効塩素の分解速度が、0.20mg/L/日以下であることを特徴とする次亜塩素酸系水溶液。 - 請求項1〜3のいずれか1項に記載の次亜塩素酸系水溶液であって、
製造後25℃保管におけるpH変化量が、1.0以下であることを特徴とする次亜塩素酸系水溶液。
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AU2022297975A1 (en) * | 2021-06-25 | 2024-01-25 | Ttd Global Pty Ltd | Stabilised hypohalous acid solutions |
US20230248001A1 (en) * | 2022-02-09 | 2023-08-10 | Zep, Inc. | Storage stable solution comprising hypochlorous acid and/or hypochlorite |
SE546097C2 (en) * | 2023-01-20 | 2024-05-21 | Bactiguard Ab | An antimicrobial gel composition comprising sodium hypochlorite and having a ph of 8-10 |
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JP2004305472A (ja) * | 2003-04-08 | 2004-11-04 | Mitsubishi Rayon Co Ltd | 弱酸性殺菌剤の製造装置および製造方法 |
JP2005000238A (ja) * | 2003-06-09 | 2005-01-06 | Hiromaito Co Ltd | 殺菌剤水溶液充填容器の製造方法 |
JP2005245964A (ja) * | 2004-03-08 | 2005-09-15 | Hiromaito Co Ltd | 殺菌剤水溶液充填容器 |
JP3153227U (ja) * | 2009-06-16 | 2009-08-27 | 株式会社電興社 | 次亜塩素酸水用パウチ |
JP6214855B2 (ja) * | 2012-05-18 | 2017-10-18 | 石橋 隆二 | 微細気泡含有の微酸性次亜塩素酸水、その製造方法及び使用方法 |
WO2017047169A1 (ja) * | 2015-09-16 | 2017-03-23 | 株式会社Nibm | 次亜塩素酸水溶液 |
JP2018075535A (ja) * | 2016-11-10 | 2018-05-17 | 株式会社ナノジェットジャパン | 次亜塩素酸分子と水素分子を含む混合水の製造方法 |
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