JP5621260B2 - 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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- JP5621260B2 JP5621260B2 JP2010002341A JP2010002341A JP5621260B2 JP 5621260 B2 JP5621260 B2 JP 5621260B2 JP 2010002341 A JP2010002341 A JP 2010002341A JP 2010002341 A JP2010002341 A JP 2010002341A JP 5621260 B2 JP5621260 B2 JP 5621260B2
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- JP
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- Prior art keywords
- polymer
- water
- flocculant
- wastewater
- soluble weak
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compositions Of Macromolecular Compounds (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。
CODは、JIS K 0101に基づき測定した。
廃水としてN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=7.5、SS=320mg/l、COD=390mg/lであった。
表1に示す水溶性重合体を使用し又は使用せずに表2に示す条件で薬物を添加し、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。
廃水としてF製紙会社の総合廃水を採取して使用した。廃水の性状はpH=6.8、SS=256mg/l、濁度=450NTU、COD=96mg/lであった。
表1に示す水溶性重合体を使用し又は使用せずに表3に示す条件で薬物を添加し、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3に示す。
Claims (2)
- 製紙廃水に無機凝集剤(A)及び水溶性弱カチオン重合体(B)を同時に又は任意の順序で添加した後、次いで、高分子凝集剤(C)を添加して凝集フロックを生成させ、固液分離する廃水の凝集処理方法であって、水溶性弱カチオン重合体(B)が、カチオン性モノマー単位として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、ノニオン性モノマー単位としてアクリルアミドを必須成分とし、これらの合計含有量が90重量%以上であり且つカチオン性モノマー単位の含有量が5〜30重量%であり、しかも、固有粘度が1〜18dl/gの重合体であり、かつ高分子凝集剤(C)の構成成分及びその比率がアクリル酸/アクリルアミド=1/99〜15/85(重量%)の重合体であるアニオン性高分子凝集剤であり、しかも、無機凝集剤(A)の添加量が50〜100mg/l、水溶性弱カチオン重合体(B)の添加量が0.5〜10mg/lであることを特徴とする製紙廃水の凝集処理方法。
- 水溶性弱カチオン重合体(B)の固有粘度が3〜15dl/gである請求項1記載の廃水の凝集処理方法。
Priority Applications (1)
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JP2010002341A JP5621260B2 (ja) | 2010-01-07 | 2010-01-07 | 廃水の凝集処理方法 |
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JP2010002341A JP5621260B2 (ja) | 2010-01-07 | 2010-01-07 | 廃水の凝集処理方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011139997A JP2011139997A (ja) | 2011-07-21 |
JP5621260B2 true JP5621260B2 (ja) | 2014-11-12 |
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JP2010002341A Active JP5621260B2 (ja) | 2010-01-07 | 2010-01-07 | 廃水の凝集処理方法 |
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JP (1) | JP5621260B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11634345B2 (en) | 2016-11-16 | 2023-04-25 | Organo Corporation | Waste water treatment method and waste water treatment apparatus |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5733677B2 (ja) * | 2010-12-02 | 2015-06-10 | 三菱レイヨン株式会社 | 廃水処理剤 |
JP5874360B2 (ja) * | 2011-12-05 | 2016-03-02 | 栗田工業株式会社 | シルト含有水の凝集処理方法及び装置 |
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 |
JP5878409B2 (ja) * | 2012-03-09 | 2016-03-08 | Mtアクアポリマー株式会社 | 有機凝結剤を用いる廃水処理方法 |
WO2014038537A1 (ja) * | 2012-09-10 | 2014-03-13 | 栗田工業株式会社 | 水処理方法及び装置 |
JP6287009B2 (ja) * | 2013-10-01 | 2018-03-07 | 栗田工業株式会社 | 無機イオン含有排水の処理方法及び装置 |
JP7117101B2 (ja) * | 2017-12-26 | 2022-08-12 | オルガノ株式会社 | 水処理方法及び装置 |
CN115502181A (zh) * | 2022-10-21 | 2022-12-23 | 中海油田服务股份有限公司 | 一种弱固化剂及其制备方法、使用方法和应用 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
JP3937102B2 (ja) * | 1996-10-22 | 2007-06-27 | 栗田工業株式会社 | 脱墨排水の処理方法 |
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 |
JP2002355681A (ja) * | 2001-05-31 | 2002-12-10 | Hymo Corp | 古紙製造排水の処理方法 |
JP2004075784A (ja) * | 2002-08-13 | 2004-03-11 | Mitsubishi Rayon Co Ltd | 水溶性重合体 |
JP4015574B2 (ja) * | 2003-03-07 | 2007-11-28 | 栗田工業株式会社 | 塗工紙製造廃液の処理方法 |
JP4021439B2 (ja) * | 2003-12-26 | 2007-12-12 | 三洋化成工業株式会社 | 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 |
JP2007263856A (ja) * | 2006-03-29 | 2007-10-11 | Kurita Water Ind Ltd | 白水回収工程の薬剤効果監視方法及び注入量制御方法 |
JP5528660B2 (ja) * | 2007-05-31 | 2014-06-25 | 三洋化成工業株式会社 | 高分子凝集剤 |
JP5228520B2 (ja) * | 2008-02-19 | 2013-07-03 | 栗田工業株式会社 | 凝集沈殿処理方法 |
JP5659487B2 (ja) * | 2009-12-24 | 2015-01-28 | 三菱レイヨン株式会社 | 廃水の凝集処理方法 |
JP5621256B2 (ja) * | 2009-12-24 | 2014-11-12 | 三菱レイヨン株式会社 | 廃水の凝集処理方法 |
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2010
- 2010-01-07 JP JP2010002341A patent/JP5621260B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11634345B2 (en) | 2016-11-16 | 2023-04-25 | Organo Corporation | Waste water treatment method and waste water treatment apparatus |
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JP2011139997A (ja) | 2011-07-21 |
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