JP2011050889A - 両性有機凝結剤および廃水処理方法 - Google Patents
両性有機凝結剤および廃水処理方法 Download PDFInfo
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- 239000000701 coagulant Substances 0.000 title claims abstract description 75
- 238000004065 wastewater treatment Methods 0.000 title claims description 14
- 239000000178 monomer Substances 0.000 claims abstract description 35
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 229920001577 copolymer Polymers 0.000 claims abstract description 24
- 125000002091 cationic group Chemical group 0.000 claims abstract description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 5
- 150000001450 anions Chemical class 0.000 claims abstract description 5
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims abstract description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 238000007334 copolymerization reaction Methods 0.000 claims description 8
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
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- 150000002500 ions Chemical class 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
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- 239000003344 environmental pollutant Substances 0.000 claims description 2
- 231100000719 pollutant Toxicity 0.000 claims description 2
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 claims 1
- 238000005345 coagulation Methods 0.000 abstract description 5
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- -1 diallyldimethylammonium halide Chemical class 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
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- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- 239000012986 chain transfer agent Substances 0.000 description 3
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 3
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- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- SSOLNOMRVKKSON-UHFFFAOYSA-N proguanil Chemical compound CC(C)\N=C(/N)N=C(N)NC1=CC=C(Cl)C=C1 SSOLNOMRVKKSON-UHFFFAOYSA-N 0.000 description 3
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002518 Polyallylamine hydrochloride Polymers 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 2
- 229940073608 benzyl chloride Drugs 0.000 description 2
- 229920006317 cationic polymer Polymers 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- BHDFTVNXJDZMQK-UHFFFAOYSA-N chloromethane;2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound ClC.CN(C)CCOC(=O)C(C)=C BHDFTVNXJDZMQK-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
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- 239000000017 hydrogel Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000010812 mixed waste Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 1
- XCENPWBBAXQVCG-UHFFFAOYSA-N 4-phenylpiperidine-4-carbaldehyde Chemical compound C=1C=CC=CC=1C1(C=O)CCNCC1 XCENPWBBAXQVCG-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000694440 Colpidium aqueous Species 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000001502 aryl halides Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
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- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
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- 229940050176 methyl chloride Drugs 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- 238000001556 precipitation Methods 0.000 description 1
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- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
製造例1−1;
水溶性カチオン性モノマーとしてジメチルアミノエチルメタクリレート塩化メチル4級塩水溶液(以下「DMC」と略す)(大阪有機化学工業社製、純度80%)1287.0g及び2−メチル−2−プロペン−1−スルホン酸ナトリウム(以下「SMS」と略す)(旭化成ファインケム社製)10.4gを、2000mL褐色耐熱瓶に投入し、全モノマー濃度80%、総質量1300gになるように蒸留水2.6gを加え、pHが4.5になるように1mol/L硫酸で調整し、モノマー反応液(DMC:SMS=99:1(質量%比))を調製した。
添加するSMSの量を表1に示す量とした以外は、製造例1−1と同様な操作を行い、有機凝結剤(A−2)〜(A−6)、(B−2)、(B−3)を得た。表1に共重合体のモノマー比率および10%塩粘度の測定結果を示す。
DMC1300.0gを2000mL褐色耐熱瓶に投入し、pHが4.5になるように1mol/L硫酸で調整し、モノマー反応液(DMC:SMS=100:0(質量%))を調整した。更に、D−1173を、モノマー反応液の総質量に対して、500ppmとなるように投入した。以下、製造例1と同様の操作を行い、有機凝結剤(B−1)を得た。表1に共重合体のモノマー比率および5%塩粘度の測定結果を示す。5%塩粘度は、有機凝結剤を25.0g、脱イオン水を475.0gとした以外は、前記10%塩粘度と同様にして測定した値である。
DMC1300.0gを2000mL褐色耐熱瓶に投入し、連鎖移動剤として次亜リン酸(和光純薬製試薬特級)1%を加えた後にpHが4.5になるように1mol/L硫酸で調整し、モノマー反応液(DMC:SMS=100:0(質量%))を調整した。更に、D−1173を、モノマー反応液の総質量に対して、500ppmとなるように投入した。以下、製造例1と同様の操作を行い、有機凝結剤(B−4)を得た。表1に共重合体のモノマー比率および5%塩粘度の測定結果を示す。
ダイヤニトリックス社製のダイヤフロックK415(DMC100%:製品濃度40%)を濃度10%となるように4倍希釈し、有機凝結剤(B−5)を得た。表1に10%塩粘度の測定結果を示す。
製紙工業廃水処理場(I)から採取したDIP廃水、冷却廃水などから成る総合廃水(I)(pH:6.85、SS分:2500ppm)を使用した。混合廃水(I)500mLを500mLのビーカーに採取した。これに、硫酸バンド600ppmを加えた後に表1に示す有機凝結剤の1%溶液を添加し、30秒間攪拌する。その後に表2記載のアニオン性凝集剤A(ダイヤニトリックス社製「AP741B」)を2ppm加えてフロックを形成させ、フロック径を計測した。アニオン性凝集剤を加えた後、2分間の攪拌時間が経過したら攪拌を停止、更に、その2分後に処理液の上澄みをシリンジにて採取し、濁度計(ラコムテスター濁度計「N−100」)にて上澄み濁度(NTU)を計測した。
製紙工業廃水処理場(II)から採取したDIP廃水、冷却廃水などから成る総合廃水(II)(pH:6.7、SS分:3100ppm)を使用した。混合廃水(II)500mLを500mLのビーカーに採取した。これに、硫酸バンド450ppmを加えた後に表1に示す有機凝結剤の1%溶液を添加し、ジャーテスターにより30秒間攪拌した。その後、表2記載のアニオン性凝集剤B(ダイヤニトリックス社製「AP335B」)を5ppm加えてフロックを形成させ、目視によりフロック径を計測した。アニオン性凝集剤を加えた後、2分間の攪拌時間が経過したら攪拌を停止、更に、その2分後に処理液の上澄みをシリンジにて採取し、濁度計(ラコムテスター濁度計「TN−100」)にて上澄み濁度(NTU)を計測した。
<有機凝結剤の評価−1>にて有機凝結剤(A−1)〜(A−6)を評価した。表3に結果を示す。
<有機凝結剤の評価−2>にて有機凝結剤(A−1)〜(A−6)を評価した。表3に結果を示す。
<有機凝結剤の評価−1>にて有機凝結剤(B−1)〜(B−5)を評価した。表3に結果を示す。
<有機凝結剤の評価−2>にて有機凝結剤(B−1)〜(B−5)を評価した。表3に結果を示す。
Claims (6)
- カチオン性モノマーに対するアニオン性モノマーの共重合比率が0.1〜3質量%の範囲である請求項1記載の両性有機凝結剤。
- 共重合体が粉末状である請求項1又は2に記載の両性有機凝結剤。
- 10質量%塩粘度(有機凝結剤50.0gを脱イオン水450.0gに溶解し、更に食塩20gを溶解した25℃の水溶液の粘度)が10〜3000mPa・sである請求項1〜3の何れかに記載の両性有機凝結剤。
- 廃水に請求項1〜4の何れかに記載の両性有機凝結剤を添加し、廃水中の汚濁物質を凝結して固液分離を行うことを特徴とする廃水処理方法。
- 両性有機凝結剤を添加した後にアニオン性高分子凝集剤を添加する請求項5に記載の廃水処理方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011167656A (ja) * | 2010-02-22 | 2011-09-01 | Daiyanitorikkusu Kk | 無機物質懸濁廃水の処理方法 |
JP2011224420A (ja) * | 2010-04-15 | 2011-11-10 | Daiyanitorikkusu Kk | 汚泥脱水剤及び汚泥脱水処理方法 |
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JP2011167656A (ja) * | 2010-02-22 | 2011-09-01 | Daiyanitorikkusu Kk | 無機物質懸濁廃水の処理方法 |
JP2011224420A (ja) * | 2010-04-15 | 2011-11-10 | Daiyanitorikkusu Kk | 汚泥脱水剤及び汚泥脱水処理方法 |
JP2012091079A (ja) * | 2010-10-25 | 2012-05-17 | Daiyanitorikkusu Kk | 有機凝結剤 |
EP2905264A1 (en) * | 2014-02-10 | 2015-08-12 | ABB France | Method of treatment of the effluents of coating |
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