WO2009016935A1 - 汚泥脱水方法 - Google Patents

汚泥脱水方法 Download PDF

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Publication number
WO2009016935A1
WO2009016935A1 PCT/JP2008/062461 JP2008062461W WO2009016935A1 WO 2009016935 A1 WO2009016935 A1 WO 2009016935A1 JP 2008062461 W JP2008062461 W JP 2008062461W WO 2009016935 A1 WO2009016935 A1 WO 2009016935A1
Authority
WO
WIPO (PCT)
Prior art keywords
sludge
electro
osmotic dehydration
dewatering method
dewatering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2008/062461
Other languages
English (en)
French (fr)
Inventor
Takaaki Masui
Toru Masaoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kurita Water Industries Ltd
Original Assignee
Kurita Water Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kurita Water Industries Ltd filed Critical Kurita Water Industries Ltd
Priority to CN200880100798XA priority Critical patent/CN101784490B/zh
Publication of WO2009016935A1 publication Critical patent/WO2009016935A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4698—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electro-osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

　繊維質や砂分といった脱水し易い成分を多く含まない汚泥であっても、電気浸透脱水により、含水率６０％以下にまで脱水することができる汚泥脱水方法。排水の生物処理で発生する汚泥を電気浸透脱水装置で脱水処理する方法において、鉄系無機凝集剤を該汚泥に添加して調質した後に該電気浸透脱水装置で脱水処理する。鉄系無機凝集剤としては硫酸第二鉄が好ましく、その添加量は汚泥のＳＳに対してＦｅ換算で５～２０重量％とすることが好ましい。
PCT/JP2008/062461 2007-07-27 2008-07-10 汚泥脱水方法 Ceased WO2009016935A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200880100798XA CN101784490B (zh) 2007-07-27 2008-07-10 污泥脱水方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007196304A JP5369399B2 (ja) 2007-07-27 2007-07-27 汚泥脱水方法
JP2007-196304 2007-07-27

Publications (1)

Publication Number Publication Date
WO2009016935A1 true WO2009016935A1 (ja) 2009-02-05

Family

ID=40304171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062461 Ceased WO2009016935A1 (ja) 2007-07-27 2008-07-10 汚泥脱水方法

Country Status (3)

Country Link
JP (1) JP5369399B2 (ja)
CN (1) CN101784490B (ja)
WO (1) WO2009016935A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018164885A (ja) * 2017-03-28 2018-10-25 巴工業株式会社 回転加圧脱水機
CN111646670A (zh) * 2020-05-19 2020-09-11 上海凌逍环保科技有限公司 一种多级脱水方法及装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5256261B2 (ja) * 2010-08-24 2013-08-07 水ｉｎｇ株式会社 有機性汚泥の脱水方法及び装置
JP5726576B2 (ja) * 2011-03-07 2015-06-03 三菱化工機株式会社 有機性廃棄物の処理方法および処理装置
CN202594924U (zh) * 2012-02-29 2012-12-12 波鹰(厦门)科技有限公司 一种污泥脱水装置
CN104098250B (zh) * 2013-12-30 2016-09-28 北京亿维德曼科技发展有限公司 一种市政污泥化学调理强化初步机械脱水联合电渗透两级深度脱水方法
CN103693842A (zh) * 2014-01-15 2014-04-02 江苏碧诺环保科技有限公司 一种电渗透脱水机添加无机絮凝剂的污泥脱水法
CN103992017A (zh) * 2014-03-13 2014-08-20 浙江海洋学院 一种污泥脱水处理方法
CN105016601A (zh) * 2015-07-03 2015-11-04 天津霍普环保科技有限公司 一种生物污泥的电渗透脱水工艺
CN105859070A (zh) * 2016-04-27 2016-08-17 刘波 一种无臭味的污泥深度处理方法及其系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025596A (ja) * 1983-07-21 1985-02-08 Fuji Electric Corp Res & Dev Ltd 電気浸透式脱水機
JPH0299107A (ja) * 1988-09-13 1990-04-11 Shinko Pantec Co Ltd 電気浸透脱水用電極および電気浸透脱水方法
JPH0326120B2 (ja) * 1985-05-14 1991-04-09 Fuji Electric Co Ltd
JPH08206699A (ja) * 1995-02-06 1996-08-13 Kurita Water Ind Ltd 嫌気性消化汚泥の脱水方法
JP2001300599A (ja) * 2000-04-24 2001-10-30 Kurita Water Ind Ltd 汚泥脱水方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117516B2 (ja) * 1972-09-26 1976-06-02

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025596A (ja) * 1983-07-21 1985-02-08 Fuji Electric Corp Res & Dev Ltd 電気浸透式脱水機
JPH0326120B2 (ja) * 1985-05-14 1991-04-09 Fuji Electric Co Ltd
JPH0299107A (ja) * 1988-09-13 1990-04-11 Shinko Pantec Co Ltd 電気浸透脱水用電極および電気浸透脱水方法
JPH08206699A (ja) * 1995-02-06 1996-08-13 Kurita Water Ind Ltd 嫌気性消化汚泥の脱水方法
JP2001300599A (ja) * 2000-04-24 2001-10-30 Kurita Water Ind Ltd 汚泥脱水方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018164885A (ja) * 2017-03-28 2018-10-25 巴工業株式会社 回転加圧脱水機
CN111646670A (zh) * 2020-05-19 2020-09-11 上海凌逍环保科技有限公司 一种多级脱水方法及装置

Also Published As

Publication number Publication date
JP2009028663A (ja) 2009-02-12
JP5369399B2 (ja) 2013-12-18
CN101784490B (zh) 2012-03-21
CN101784490A (zh) 2010-07-21

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