JP5608988B2 - 活性炭用スライムコントロール剤、活性炭装置への通水方法、有機物含有水の処理方法及び処理装置 - Google Patents
活性炭用スライムコントロール剤、活性炭装置への通水方法、有機物含有水の処理方法及び処理装置 Download PDFInfo
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- JP5608988B2 JP5608988B2 JP2009046619A JP2009046619A JP5608988B2 JP 5608988 B2 JP5608988 B2 JP 5608988B2 JP 2009046619 A JP2009046619 A JP 2009046619A JP 2009046619 A JP2009046619 A JP 2009046619A JP 5608988 B2 JP5608988 B2 JP 5608988B2
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- activated carbon
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- containing water
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- 239000003795 chemical substances by application Substances 0.000 title claims description 86
- 238000000034 method Methods 0.000 title claims description 31
- 239000005416 organic matter Substances 0.000 title claims description 25
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- 239000000126 substance Substances 0.000 claims description 51
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 50
- 239000000460 chlorine Substances 0.000 claims description 50
- 229910052801 chlorine Inorganic materials 0.000 claims description 50
- 238000000926 separation method Methods 0.000 claims description 41
- 239000002455 scale inhibitor Substances 0.000 claims description 33
- -1 sulfamic acid compound Chemical class 0.000 claims description 31
- 239000007800 oxidant agent Substances 0.000 claims description 21
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 16
- 229910001424 calcium ion Inorganic materials 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 238000001223 reverse osmosis Methods 0.000 claims description 14
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- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 11
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
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- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical class ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 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
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- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- MYMDOKBFMTVEGE-UHFFFAOYSA-N methylsulfamic acid Chemical compound CNS(O)(=O)=O MYMDOKBFMTVEGE-UHFFFAOYSA-N 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 239000011824 nuclear material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 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
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001444 polymaleic acid Polymers 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- VISKNDGJUCDNMS-UHFFFAOYSA-M potassium;chlorite Chemical compound [K+].[O-]Cl=O VISKNDGJUCDNMS-UHFFFAOYSA-M 0.000 description 1
- BTAAXEFROUUDIL-UHFFFAOYSA-M potassium;sulfamate Chemical compound [K+].NS([O-])(=O)=O BTAAXEFROUUDIL-UHFFFAOYSA-M 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 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
- 238000000108 ultra-filtration Methods 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
Images
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Description
<実施例1>
TOC1mg/LasCを含む工業用水に、次亜塩素酸ナトリウムとスルファミン酸化合物(具体的にはスルファミン酸ナトリウム)との結合塩素剤(有効塩素1モルに対するスルファミン化合物のモル比1.5)よりなるスライムコントロール剤を結合塩素濃度として5mg−Cl2/Lとなるよう添加した後、PAC(ポリ塩化アルミニウム)添加量10mg/L、pH6の条件で凝集濾過処理を行った。凝集濾過処理水を活性炭塔にSV20hr−1の条件で通水した後、RO膜分離装置(日東電工製超低圧芳香族ポリアミド型RO膜「ES−20」)に通水量60L/hr、回収率80%の条件で通水した。RO給水のpHは5.5であった。
TOC1mg/LasCを含む工業用水に、次亜塩素酸ナトリウムとアンモニアとの反応物よりなるクロラミンを結合塩素濃度として8〜10mg−Cl2/Lとなるよう添加した以外は実施例1と同条件で処理を行った。
<実施例2>
非イオン性界面活性剤を含むTOC濃度20mg/L、カルシウム濃度5mg/Lの排水に、実施例1と同じスライムコントロール剤を結合塩素濃度として1mg−Cl2/Lとなるよう添加した後、PAC(ポリ塩化アルミニウム)添加量20mg/L、pH6.5の条件で凝集濾過処理を行った。凝集濾過処理水を固定床式活性炭塔にSV20hr−1の条件で通水した後、軟化塔にSV15hr−1の条件で通水し、その後、キレート系スケール防止剤(栗田工業(株)製ウェルクリンA801)を10mg/L(軟化塔処理水のカルシウムイオン濃度の5重量倍)添加し、NaOHを添加してpH10.5とした後、RO膜分離装置(日東電工製超低圧芳香族ポリアミド型RO膜「ES−20」)で通水量60L/h、回収率80%の条件でRO膜分離処理を行った。なお、RO給水のpHは9.5であった。
非イオン性界面活性剤を含むTOC濃度20mg/L、カルシウム濃度5mg/Lを含む排水に、上記スライムコントロール剤の代りに、NaClOを遊離塩素濃度として1mg−Cl2/Lとなるよう添加した以外は、実施例2と同条件で処理を行った。
実施例2及び比較例2において、各ポイントにおける生菌数を調べ、結果を表1に示した。
実施例2及び比較例2において、RO膜分離装置のモジュール間差圧の経日変化を調べ、結果を表2に示した。
2 凝集槽
3 圧力濾過塔
4 活性炭塔
5 濾過処理水槽
6 保安フィルター
7 RO膜分離装置
8 軟化塔
9 中間タンク
Claims (6)
- 塩素系酸化剤とスルファミン酸化合物とからなる結合塩素剤を含有することを特徴とする活性炭用スライムコントロール剤。
- 活性炭装置への給水又は洗浄水中に、請求項1に記載のスライムコントロール剤を存在させることを特徴とする活性炭装置への通水方法。
- 有機物含有水にスライムコントロール剤を添加するスライムコントロール剤添加工程と、
該スライムコントロール剤添加工程を経た有機物含有水を活性炭で処理する活性炭処理工程と、
該活性炭処理工程を経た有機物含有水を逆浸透膜分離手段に通水する逆浸透膜分離工程と
を有する有機物含有水の処理方法において、
前記スライムコントロール剤として請求項1に記載のスライムコントロール剤を用いることを特徴とする有機物含有水の処理方法。 - 請求項3において、
前記活性炭処理工程を経た有機物含有水をカチオン交換手段に通水して硬度を低減させる硬度成分除去工程と、
該硬度成分除去工程を経た有機物含有水に、該硬度成分除去工程を経た有機物含有水中に含まれるカルシウムイオンの5重量倍以上のスケール防止剤を添加するスケール防止剤添加工程と、
該スケール防止剤添加工程の前、後又は同時に、有機物含有水にアルカリを添加して、後段の逆浸透膜分離手段に導入される有機物含有水のpHが9.5以上となるように調整するpH調整工程と
をさらに有することを特徴とする有機物含有水の処理方法。 - 有機物含有水にスライムコントロール剤を添加するスライムコントロール剤添加手段と、
該スライムコントロール剤添加手段を経た有機物含有水を活性炭で処理する活性炭処理手段と、
該活性炭処理手段を経た有機物含有水を逆浸透膜分離処理する逆浸透膜分離手段と
を有する有機物含有水の処理装置において、
前記スライムコントロール剤が請求項1に記載のスライムコントロール剤であることを特徴とする有機物含有水の処理装置。 - 請求項5において、
該活性炭処理手段を経た有機物含有水が通水されるカチオン交換手段を備えた硬度成分除去手段と、
該硬度成分除去手段を経た有機物含有水に、該硬度成分除去手段を経た有機物含有水中のカルシウムイオンの5重量倍以上のスケール防止剤を添加するスケール防止剤添加手段と、
該スケール防止剤添加手段の前、後又は同時に、有機物含有水にアルカリを添加して後段の逆浸透膜分離手段に導入される有機物含有水のpHが9.5以上となるように調整するpH調整手段と
をさらに有することを特徴とする有機物含有水の処理装置。
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JP2009046619A JP5608988B2 (ja) | 2009-02-27 | 2009-02-27 | 活性炭用スライムコントロール剤、活性炭装置への通水方法、有機物含有水の処理方法及び処理装置 |
PCT/JP2010/050607 WO2010098158A1 (ja) | 2009-02-27 | 2010-01-20 | 活性炭用スライムコントロール剤、活性炭装置への通水方法、有機物含有水の処理方法及び処理装置 |
BRPI1009754-6A BRPI1009754B1 (pt) | 2009-02-27 | 2010-01-20 | Método para tratar água que contém matéria orgânica |
US13/138,248 US9598297B2 (en) | 2009-02-27 | 2010-01-20 | Method for treating organic-matter-containing water |
KR1020117019620A KR101671168B1 (ko) | 2009-02-27 | 2010-01-20 | 활성탄용 슬라임 컨트롤제, 활성탄 장치에 대한 통수 방법, 유기물 함유수의 처리 방법 및 처리 장치 |
CN201080003945.9A CN102271519B (zh) | 2009-02-27 | 2010-01-20 | 活性炭用黏质控制剂、对活性炭装置的通水方法、含有机物的水的处理方法及处理装置 |
TW099104170A TWI504572B (zh) | 2009-02-27 | 2010-02-10 | A method for treating water for activated carbon, a method for treating water containing organic matter, and a treatment device |
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JP2015097990A (ja) * | 2013-11-19 | 2015-05-28 | 栗田工業株式会社 | 逆浸透膜の阻止率向上方法、逆浸透膜、及び水処理方法 |
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US10155203B2 (en) * | 2016-03-03 | 2018-12-18 | Lg Nanoh2O, Inc. | Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents |
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