JP5659487B2 - 廃水の凝集処理方法 - Google Patents
廃水の凝集処理方法 Download PDFInfo
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- JP5659487B2 JP5659487B2 JP2009293189A JP2009293189A JP5659487B2 JP 5659487 B2 JP5659487 B2 JP 5659487B2 JP 2009293189 A JP2009293189 A JP 2009293189A JP 2009293189 A JP2009293189 A JP 2009293189A JP 5659487 B2 JP5659487 B2 JP 5659487B2
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- 239000002351 wastewater Substances 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 16
- 238000005345 coagulation Methods 0.000 title description 4
- 230000015271 coagulation Effects 0.000 title description 4
- 229920006317 cationic polymer Polymers 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 18
- 229920006318 anionic polymer Polymers 0.000 claims description 10
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 claims description 9
- -1 dimethylaminoethyl Chemical group 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- 150000003839 salts Chemical group 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- RALSLOFDSXVHKF-UHFFFAOYSA-N chloromethane;prop-2-enoic acid Chemical compound ClC.OC(=O)C=C RALSLOFDSXVHKF-UHFFFAOYSA-N 0.000 claims description 4
- 230000004931 aggregating effect Effects 0.000 claims description 3
- VEYCPJGKKJULEP-UHFFFAOYSA-N prop-2-enoic acid sulfuric acid Chemical compound OC(=O)C=C.OS(O)(=O)=O VEYCPJGKKJULEP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000000701 coagulant Substances 0.000 description 13
- 230000002776 aggregation Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000005189 flocculation Methods 0.000 description 7
- 230000016615 flocculation Effects 0.000 description 7
- 229940048053 acrylate Drugs 0.000 description 6
- 238000004220 aggregation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 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 1
- 150000001409 amidines Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- ADWWPMVBHMYTOQ-UHFFFAOYSA-N chloromethylbenzene;prop-2-enoic acid Chemical compound OC(=O)C=C.ClCC1=CC=CC=C1 ADWWPMVBHMYTOQ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002761 deinking Substances 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
- 238000012674 dispersion polymerization Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012673 precipitation polymerization Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Description
固有粘度は、1N硝酸ナトリウム水溶液中、温度30℃の条件で、ウベローデ希釈型毛細管粘度計を使用し、定法に基づき測定した。(高分子学会編,「新版高分子辞典」,朝倉書店,p.107)
凝集フロックのフロック径は、目視により全体の平均を測定した。
高分子凝集剤の所定量を添加し、所定時間攪拌混合した後に攪拌を停止する。そして、生成した凝集フロックが500mlのビーカーの底に沈降する迄の時間を測定した。
濁度は、JIS K 0101に基づき測定した。濁度は、フロック径、沈降時間を測定した後、2分間静置し、表面から5cmの深さより処理水を採取して測定した。
廃水としてA製紙工場の総合廃水を採取して使用した。廃水の性状はpH=7.2、濁度=479NTUであった。
次いで、無機凝集剤として硫酸バンドを200mg/l添加し、150rpmの回転数で1分間攪拌した。無機凝集剤は水で10倍に希釈して使用した。
実施例1〜7における添加順序と逆に、先に硫酸バンドを添加し攪拌、混合した後、次いで水溶性カチオン重合体を添加し攪拌、混合した。次いで、アニオン性高分子凝集剤添加して上記と同様の試験条件で凝集性能試験を実施した。結果を表2に示す。
水溶性カチオン重合体を使用せず、表2に示す条件で無機凝集剤とアニオン性高分子凝集剤だけを添加し、上記と同様の試験条件で凝集性能試験を実施した。結果を表2に示す。
Claims (2)
- 廃水に、ジアルキルアミノアルキル(メタ)アクリレートがジメチルアミノエチル(メタ)アクリレート塩化メチル4級塩またはジメチルアミノエチル(メタ)アクリレート硫酸塩の重合物であり、ジアルキルアミノアルキル(メタ)アクリレートの含有量が20〜100モル%であり且つ固有粘度が1〜15dl/gである水溶性カチオン系重合体を添加混合した後、無機凝集剤を添加混合し、次いで、アニオン系高分子凝集剤を添加して凝集フロックを生成させ、固液分離することを特徴とする廃水の凝集処理方法。
- 廃水が製紙廃水である請求項1記載の廃水の凝集処理方法。
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Publication number | Priority date | Publication date | Assignee | Title |
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EP1820372B1 (en) * | 2004-09-24 | 2016-04-27 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device |
JP5621260B2 (ja) * | 2010-01-07 | 2014-11-12 | 三菱レイヨン株式会社 | 廃水の凝集処理方法 |
JP5952593B2 (ja) * | 2012-03-02 | 2016-07-13 | Mtアクアポリマー株式会社 | 廃水処理方法 |
KR101489136B1 (ko) * | 2013-01-04 | 2015-02-03 | 쿠리타 고교 가부시키가이샤 | 실트 함유수의 응집 처리 방법 및 장치 |
JP6464716B2 (ja) * | 2014-12-16 | 2019-02-06 | 王子ホールディングス株式会社 | 大腸菌群含有排水の処理方法及び大腸菌群含有排水の処理装置 |
CN104692510B (zh) * | 2015-04-02 | 2016-09-21 | 湖南科技大学 | 一种固体聚合硫酸铁锌絮凝剂的制备方法 |
CN104944549B (zh) * | 2015-06-08 | 2017-05-17 | 湖南科技大学 | 一种除氨氮固体絮凝剂的制备方法 |
Family Cites Families (21)
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JP2668711B2 (ja) * | 1988-07-29 | 1997-10-27 | ダイヤフロック株式会社 | 紙・パルプ廃水の凝集処理方法 |
JPH1147758A (ja) * | 1997-08-06 | 1999-02-23 | Ebara Corp | 微細懸濁物含有水の処理方法 |
JP2000084568A (ja) * | 1998-09-11 | 2000-03-28 | Fuji Heavy Ind Ltd | 樹脂含有廃水の処理方法 |
JP3702938B2 (ja) * | 1999-08-04 | 2005-10-05 | 栗田工業株式会社 | 有機凝結剤及び排水の凝集処理方法 |
JP3731454B2 (ja) * | 2000-07-17 | 2006-01-05 | 栗田工業株式会社 | 凝結剤の薬注量決定方法及び薬注制御装置 |
JP4004016B2 (ja) * | 2001-05-22 | 2007-11-07 | 株式会社荏原製作所 | 浄水の処理方法 |
JP2004075784A (ja) * | 2002-08-13 | 2004-03-11 | Mitsubishi Rayon Co Ltd | 水溶性重合体 |
JP4498762B2 (ja) * | 2004-01-29 | 2010-07-07 | 友岡化研株式会社 | 有機凝結剤および高分子凝集剤 |
JP4616108B2 (ja) * | 2005-07-22 | 2011-01-19 | 三洋化成工業株式会社 | 有機凝結剤および廃水または汚泥の処理法 |
JP5512068B2 (ja) * | 2006-03-24 | 2014-06-04 | 三菱レイヨン株式会社 | 水処理方法 |
JP4786569B2 (ja) * | 2006-03-29 | 2011-10-05 | 三洋化成工業株式会社 | 有機凝結剤 |
JP4937779B2 (ja) * | 2007-02-08 | 2012-05-23 | ダイヤニトリックス株式会社 | 有機質汚泥の脱水処理方法 |
JP2008246372A (ja) * | 2007-03-30 | 2008-10-16 | Kurita Water Ind Ltd | 排水処理方法 |
JP5145823B2 (ja) * | 2007-08-31 | 2013-02-20 | 栗田工業株式会社 | 有機系凝集剤と該薬剤を用いる廃水凝集処理方法 |
JP2009125649A (ja) * | 2007-11-22 | 2009-06-11 | Japan Organo Co Ltd | 有機凝結剤及び脱色方法 |
JP2009154095A (ja) * | 2007-12-26 | 2009-07-16 | Kurita Water Ind Ltd | 水処理方法 |
JP5228520B2 (ja) * | 2008-02-19 | 2013-07-03 | 栗田工業株式会社 | 凝集沈殿処理方法 |
JP5364298B2 (ja) * | 2008-06-10 | 2013-12-11 | オルガノ株式会社 | 分散剤含有水の処理方法 |
JP2010089073A (ja) * | 2008-09-11 | 2010-04-22 | Kurita Water Ind Ltd | 有機凝結剤及び排水処理方法並びに汚泥脱水方法 |
JP5464315B2 (ja) * | 2008-09-24 | 2014-04-09 | 栗田工業株式会社 | 汚泥脱水方法 |
JP5310180B2 (ja) * | 2009-03-26 | 2013-10-09 | 栗田工業株式会社 | 製紙方法 |
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