JP2010149033A5 - - Google Patents

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JP2010149033A5
JP2010149033A5 JP2008328880A JP2008328880A JP2010149033A5 JP 2010149033 A5 JP2010149033 A5 JP 2010149033A5 JP 2008328880 A JP2008328880 A JP 2008328880A JP 2008328880 A JP2008328880 A JP 2008328880A JP 2010149033 A5 JP2010149033 A5 JP 2010149033A5
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JP5224370B2 (en
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請求項６の発明は、前記脱水機がスクリュープレスあるいはロータリープレスであることを特徴とする請求項１〜５のいずれかに記載の製紙汚泥の処理方法である。
The invention according to claim 6 is the paper sludge treatment method according to any one of claims 1 to 5, wherein the dehydrator is a screw press or a rotary press .

Claims (6)

製紙汚泥に対し、下記酸化剤群より選択される一種以上の無機系酸化剤により消臭処理及び改質処理を施した後、アクリルアミドを主体とした非イオン性水溶性高分子、ビニル重合系カチオン性水溶性及び／またはビニル重合系両性水溶性高分子をこの順に逐次添加し凝集処理し、その後脱水機により脱水することを特徴とする製紙汚泥の処理方法。
酸化剤群：亜塩素酸塩、次亜塩素酸塩、臭素酸塩、亜臭素酸塩、次亜臭素酸塩、過酸化水素。 Paper sludge is subjected to deodorization treatment and modification treatment with one or more inorganic oxidants selected from the following oxidizer group, and then a nonionic water-soluble polymer mainly composed of acrylamide, a vinyl polymerization cation. Water-soluble and / or vinyl polymerization-based amphoteric water-soluble polymers are sequentially added in this order, agglomerated, and then dehydrated by a dehydrator.
Oxidizing agent group: chlorite, hypochlorite, bromate, bromite, hypobromite, hydrogen peroxide. 前記ビニル重合系水溶性カチオン性高分子が、下記一般式（１）および／または下記一般式（２）で表される単量体を１０〜１００モル％共重合して得られるカチオン性水溶性高分子、下記一般式（４）および／または下記一般式（５）で表される構造単位を１０〜９０モル％有するカチオン性水溶性高分子から選択される一種以上、前記ビニル重合系両性水溶性高分子が、下記一般式（１）および／または下記一般式（２）で表される単量体を２０〜１００モル％、下記一般式（３）で表される単量体を５〜５０モル％共重合して得られる両性水溶性高分子であることを特徴とする請求項１に記載の製紙汚泥の処理方法。
一般式（１）
Ｒ１は水素又はメチル基、Ｒ２、Ｒ３は炭素数１〜３のアルキル基、アルコキシ基あるいはベンジル基、Ｒ４は水素、炭素数１〜３のアルキル基、アルコキシル基あるいはベンジル基であり、同種でも異種でも良い。Ａは酸素またはＮＨ、Ｂは炭素数２〜４のアルキレン基またはアルコキシレン基、Ｘ１は陰イオンをそれぞれ表わす。
一般式（２）
Ｒ５は水素又はメチル基、Ｒ６、Ｒ７は炭素数１〜３のアルキル基、アルコキシル基あるいはベンジル基、Ｘ２は陰イオンをそれぞれ表わす。
一般式（３）
Ｒ８は水素またはＣＨ２ＣＯＯＹ２、ＱはＳＯ３、Ｃ６Ｈ４ＳＯ３、
ＣＯＮＨＣ（ＣＨ３）２ＣＨ２ＳＯ３、Ｃ６Ｈ４ＣＯＯあるいはＣＯＯ、Ｒ９は水素、メチル基またはＣＯＯＹ３であり、Ｙ１、Ｙ２は水素または陽イオンをそれぞれ表わす。
式中Ｒ１０，Ｒ１１は水素原子またはメチル基を、Ｘ- は陰イオンを表わす。 The cationic water-soluble cationic polymer obtained by copolymerizing the monomer represented by the following general formula (1) and / or the following general formula (2) with 10 to 100 mol%. At least one selected from a polymer, a cationic water-soluble polymer having 10 to 90 mol% of a structural unit represented by the following general formula (4) and / or the following general formula (5), 20 to 100 mol% of the monomer represented by the following general formula (1) and / or the following general formula (2), and the monomer represented by the following general formula (3) to 5 to 2. The paper sludge treatment method according to claim 1, which is an amphoteric water-soluble polymer obtained by copolymerization at 50 mol%.
General formula (1)
R 1 is hydrogen or a methyl group, R 2 and R 3 are an alkyl group having 1 to 3 carbon atoms, an alkoxy group or a benzyl group, and R 4 is hydrogen, an alkyl group having 1 to 3 carbon atoms, an alkoxyl group or a benzyl group. , Same or different. A represents oxygen or NH, B represents an alkylene group or alkoxylene group having 2 to 4 carbon atoms, and X 1 represents an anion.
General formula (2)
R 5 represents hydrogen or a methyl group, R 6 and R 7 each represent an alkyl group having 1 to 3 carbon atoms, an alkoxyl group or a benzyl group, and X 2 represents an anion.
General formula (3)
R 8 is hydrogen or CH 2 COOY 2 , Q is SO 3 , C 6 H 4 SO 3 ,
CONHC (CH 3 ) 2 CH 2 SO 3 , C 6 H 4 COO or COO, R 9 is hydrogen, a methyl group or COOY 3 , and Y 1 and Y 2 each represent hydrogen or a cation.
In the formula, R 10 and R 11 represent a hydrogen atom or a methyl group, and X − represents an anion. 前記非イオン性水溶性高分子が、塩水溶液中で可溶な高分子分散剤を共存させる塩水溶液中分散重合法により製造した高分子分散液からなる非イオン性水溶性高分子であることを特徴とする請求項１に記載の製紙汚泥の処理方法。 The nonionic water-soluble polymer is a nonionic water-soluble polymer composed of a polymer dispersion prepared by a dispersion polymerization method in a salt solution in which a polymer dispersant soluble in the salt solution coexists. The paper sludge treatment method according to claim 1, wherein the paper sludge treatment method is characterized. 前記非イオン性水溶性高分子の重量平均分子量が５００万以上、２０００万以下であることを特徴とする請求項１あるいは３に記載の製紙汚泥の処理方法。 The paper sludge treatment method according to claim 1 or 3, wherein the nonionic water-soluble polymer has a weight average molecular weight of 5 million or more and 20 million or less. 前記ビニル重合系カチオン性水溶性及び／またはビニル重合系両性水溶性高分子の重量平均分子量が１００万以上、２０００万以下であることを特徴とする請求項１あるいは２に記載の製紙汚泥の処理方法。 3. The papermaking sludge treatment according to claim 1, wherein the vinyl polymerized cationic water-soluble and / or vinyl polymer-based amphoteric water-soluble polymer has a weight average molecular weight of 1 million or more and 20 million or less. Method. 前記脱水機がスクリュープレスあるいはロータリープレスであることを特徴とする請求項１〜５のいずれかに記載の製紙汚泥の処理方法。 6. The paper sludge treatment method according to claim 1, wherein the dehydrator is a screw press or a rotary press.
JP2008328880A 2008-12-25 2008-12-25 Paper sludge treatment method Active JP5224370B2 (en)

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JP5273723B2 (en) * 2009-02-06 2013-08-28 ハイモ株式会社 Processing method of livestock sludge
JP5732818B2 (en) * 2010-11-05 2015-06-10 栗田工業株式会社 Sludge dewatering agent and sludge dewatering method
CN108249732B (en) * 2018-02-12 2019-01-22 山鹰国际控股股份公司 A kind of paper mill sludge conditioning, dehydration, desiccation, incineration treatment technology

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JPH0655320B2 (en) * 1987-09-02 1994-07-27 満郎 齋藤 Waste treatment agent and waste treatment method
JP2001205273A (en) * 2000-01-27 2001-07-31 Ekomu Kk Sewage treatment method and sewage treatment agent
JP4425406B2 (en) * 2000-02-09 2010-03-03 ハイモ株式会社 Paper sludge dewatering method
WO2003045851A1 (en) * 2001-11-29 2003-06-05 Corporation Biolix Method for stabilizing and conditioning town and industrial wastewater sludge
JP3819766B2 (en) * 2001-11-29 2006-09-13 ハイモ株式会社 Paper sludge dewatering method
JP4047120B2 (en) * 2002-09-25 2008-02-13 ハイモ株式会社 Flocculant and method of using the same
JP2004195425A (en) * 2002-12-20 2004-07-15 Daio Paper Corp Removing method of malodorous substance in paper/pulp mill
JP2005000764A (en) * 2003-06-10 2005-01-06 Ebara Engineering Service Co Ltd Sludge slurry dehydration method and equipment
JP2006291024A (en) * 2005-04-11 2006-10-26 Hymo Corp Sludge dehydrating agent composition and method for dehydrating sludge
JP4742367B2 (en) * 2006-03-17 2011-08-10 ハイモ株式会社 Deodorant for waste water or sludge and its use
JP5283253B2 (en) * 2007-01-17 2013-09-04 ハイモ株式会社 Method for dewatering paper sludge
JP5273723B2 (en) * 2009-02-06 2013-08-28 ハイモ株式会社 Processing method of livestock sludge

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