JP2012144451A - 殺藻・殺菌剤及び殺藻・殺菌方法 - Google Patents
殺藻・殺菌剤及び殺藻・殺菌方法 Download PDFInfo
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- JP2012144451A JP2012144451A JP2011002059A JP2011002059A JP2012144451A JP 2012144451 A JP2012144451 A JP 2012144451A JP 2011002059 A JP2011002059 A JP 2011002059A JP 2011002059 A JP2011002059 A JP 2011002059A JP 2012144451 A JP2012144451 A JP 2012144451A
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- Prior art keywords
- chloro
- water
- algicidal
- dichloro
- formula
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- 238000000034 method Methods 0.000 title claims description 11
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- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- VLDHWMAJBNWALQ-UHFFFAOYSA-M sodium;1,3-benzothiazol-3-ide-2-thione Chemical compound [Na+].C1=CC=C2SC([S-])=NC2=C1 VLDHWMAJBNWALQ-UHFFFAOYSA-M 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/46—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
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Abstract
Description
(1)N−クロロ−2−ピロリジノンを含有することを特徴とする殺藻剤、
(2)水又は水と水溶性有機溶剤の混合溶液を更に含む、水溶性の液体製剤であることを特徴とする(1)記載の殺藻剤、
(3)式(I):
で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物(但し、N−クロロ−2−ピロリジノンを除く)から選ばれる1種以上を含有することを特徴とする殺藻・殺菌剤、
(4)式(I)で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物が、N−クロロ−2−ピペリドン、N−クロロ−ε−カプロラクタム、N−クロロ−ω−ヘプタラクタム、N−クロロ−2−イミダゾリジノン、N,N’−ジクロロ−2−イミダゾリジノン、N−クロロ−テトラヒドロ−2−ピリミジノン、及びN,N’−ジクロロ−テトラヒドロ−2−ピリミジノンから選ばれる1種以上であることを特徴とする(3)記載の殺藻・殺菌剤、
(5)水又は水と水溶性有機溶剤の混合溶液を更に含む、水溶性の液体製剤であることを特徴とする(3)又は(4)記載の殺藻・殺菌剤、
(6)腐食が望まれない金属部材と接触している水系中に、式(I):
で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物から選ばれる1種以上を含有する殺藻・殺菌剤を、残留塩素濃度(Cl2換算)として0.2〜10mg/Lとなるように添加する殺藻・殺菌方法、
(7)式(I)で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物が、N−クロロ−2−ピロリジノン、N−クロロ−2−ピペリドン、N−クロロ−ε−カプロラクタム、N−クロロ−ω−ヘプタラクタム、N−クロロ−2−イミダゾリジノン、N,N’−ジクロロ−2−イミダゾリジノン、N−クロロ−テトラヒドロ−2−ピリミジノン、及びN,N’−ジクロロ−テトラヒドロ−2−ピリミジノンから選ばれる1種以上であることを特徴とする(6)記載の殺藻・殺菌方法
に関する。
2.28(m、4H)、4.21(t、2H)
IR(KBr、cm−1):
2968、1708、1385、1254、1135、820
1.78(br.s、6H)、2.45(d、2H)、3.21(t、2H)
IR(NaCl、cm−1):
2933、2858、1672、1452、1191、980
1.98(m、4H)、2.98(t、2H)
IR(KBr、cm−1):
2966、2887、1697、1475、1277、1172
3367、2887、1676、1490、1278、1172、724
3230、1736、1715、1440、1380、1214、1054
緑藻類としてChlorella vulgaris C−135(以下、クロレラという)を、藍藻類としてMicrocystis aeruginosa Lemmermann NIES−44(以下、ミクロキスティスという)を用いて、実施例及び比較例の殺藻・殺菌剤の殺藻効果を評価した。クロレラは、MDM培地による前培養液を吸光度O.D.420での値が0.5になるように蒸留水で希釈し、これにHEPES(N−2−ヒドロキシエチルピペラジン−N’−2−エタンスルホン酸)を50mMになるように投入して溶解させ、苛性ソーダにてpHを8.5に調整した。ミクロキスティスは、CB培地による前培養液を吸光度O.D.440での値が0.5になるように蒸留水で希釈し、Bicine(N,N−ビス(2−ヒドロキシエチル)グリシン)を100mMになるように投入して溶解させ、苛性ソーダにてpHを9.0に調整した。これらを試験液とし、各10mlをL字型試験管に分注し、光照射型振盪−恒温水槽に設置した。実施例及び比較例の殺藻・殺菌剤を有効塩素濃度として所定濃度になるようにそれぞれ添加し、30℃、10KLx(明:12h、暗:12h)の条件で振盪培養し、1日おきに目視観察し、3日間観察を行った。殺藻・殺菌剤の殺藻効果は表1に記載の判定基準にて評価し、試験結果を表2に示す。
試験水として、某病院空調用冷却塔の冷却水を用いた。冷却水の水質を表3に示す。
蓋付きガラス製容器中にステンレス鋼SUS304(片面#400研磨仕上、2.5×15×50mm)、鉄(SS−400、2.3×15×30mm)及び銅(C122OP、2.0×20×50mm)の試験片を立て掛け、気相部と溶液浸積部とが形成できる位置にまで上水(静岡県磐田市市水)を所定量計り込み、実施例1及び3、比較例1及び3の殺藻・殺菌剤を有効塩素濃度として2.5mg/L及び5mg/Lとなるように添加し、30℃下で試験片の腐食の程度を観察した。試験液は1週間に一度交換し、8週間後に試験片を取り出し、腐食度(gmd;g/m2・day)を求め下表5のA〜Eの判定基準による評価結果と、外観観察にて薬剤未添加区(上水のみ)での腐食程度に対して各殺藻・殺菌剤の腐食の程度を下表6の判定基準により評価した。結果を組み合わせた記号にて表7に示した。
Claims (7)
- N−クロロ−2−ピロリジノンを含有することを特徴とする殺藻剤。
- 水又は水と水溶性有機溶剤の混合溶液を更に含む、水溶性の液体製剤であることを特徴とする請求項1記載の殺藻剤。
- 式(I)で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物が、N−クロロ−2−ピペリドン、N−クロロ−ε−カプロラクタム、N−クロロ−ω−ヘプタラクタム、N−クロロ−2−イミダゾリジノン、N,N’−ジクロロ−2−イミダゾリジノン、N−クロロ−テトラヒドロ−2−ピリミジノン、及びN,N’−ジクロロ−テトラヒドロ−2−ピリミジノンから選ばれる1種以上であることを特徴とする請求項3記載の殺藻・殺菌剤。
- 水又は水と水溶性有機溶剤の混合溶液を更に含む、水溶性の液体製剤であることを特徴とする請求項3又は4記載の殺藻・殺菌剤。
- 式(I)で表される環状のN−クロロ化合物又はN,N’−ジクロロ化合物が、N−クロロ−2−ピロリジノン、N−クロロ−2−ピペリドン、N−クロロ−ε−カプロラクタム、N−クロロ−ω−ヘプタラクタム、N−クロロ−2−イミダゾリジノン、N,N’−ジクロロ−2−イミダゾリジノン、N−クロロ−テトラヒドロ−2−ピリミジノン、及びN,N’−ジクロロ−テトラヒドロ−2−ピリミジノンから選ばれる1種以上であることを特徴とする請求項6記載の殺藻・殺菌方法。
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PCT/JP2011/080039 WO2012093608A1 (ja) | 2011-01-07 | 2011-12-26 | 殺藻・殺菌剤及び殺藻・殺菌方法 |
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US3850920A (en) * | 1967-10-30 | 1974-11-26 | Dow Chemical Co | N-halo-3-morpholinone |
US3591601A (en) * | 1967-10-30 | 1971-07-06 | Dow Chemical Co | N-chloro or bromo-2-oxazolidinones |
US3749672A (en) * | 1971-04-19 | 1973-07-31 | Du Pont | Stabilized solutions of n-halo compounds |
US4492619A (en) * | 1984-02-01 | 1985-01-08 | Phan Xuan T | Photochemical process for preparing alkoxy substituted compounds |
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