SE0401234D0 - among Mixing - Google Patents

among Mixing

Info

Publication number
SE0401234D0
SE0401234D0 SE0401234A SE0401234A SE0401234D0 SE 0401234 D0 SE0401234 D0 SE 0401234D0 SE 0401234 A SE0401234 A SE 0401234A SE 0401234 A SE0401234 A SE 0401234A SE 0401234 D0 SE0401234 D0 SE 0401234D0
Authority
SE
Sweden
Prior art keywords
dewatering
weight
organic matter
suspensions
mixing
Prior art date
Application number
SE0401234A
Other languages
Swedish (sv)
Other versions
SE0401234L (en
SE527884C2 (en
Inventor
Arne Lindahl
Original Assignee
Arne Lindahl
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 Arne Lindahl filed Critical Arne Lindahl
Priority to SE0401234A priority Critical patent/SE527884C2/en
Publication of SE0401234D0 publication Critical patent/SE0401234D0/en
Priority to RU2006142558/15A priority patent/RU2006142558A/en
Priority to PCT/SE2005/000667 priority patent/WO2005108314A1/en
Priority to CNA2005800185276A priority patent/CN1980865A/en
Priority to JP2007513103A priority patent/JP2007536084A/en
Publication of SE0401234L publication Critical patent/SE0401234L/en
Publication of SE527884C2 publication Critical patent/SE527884C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Treatment Of Sludge (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

This invention relates to a procedure concerning dewatering of suspensions, in particular, suspensions with a relatively low concentration of organic matter or having a dry solid content of less than 15 %. A distinguishing feature of this invention is that dewatering promoting agents are mixed simultaneously with the suspension as thickening occurs. Examples of materials that increases the concentration of organic matter are among others sawdust, synthetic materials that preferably consist of pulverous polyurethane, ground peat or alternatively ground bark. The weight proportion of the additives amounts to at least 5 weight­% and preferably to at least 10 weight-% of the total weight of the organic matter. The simultaneous dewatering and mixing is performed with the aid of known dewatering mechanisms. An example of this is the water extracting screw. After the partial dewatering the material is transferred to a press for further dewatering to solid contents above 45 %.
SE0401234A 2004-05-10 2004-05-10 Process for liquid expulsion from suspensions SE527884C2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE0401234A SE527884C2 (en) 2004-05-10 2004-05-10 Process for liquid expulsion from suspensions
RU2006142558/15A RU2006142558A (en) 2004-05-10 2005-05-08 SUSPENSION DEHYDRATION METHOD
PCT/SE2005/000667 WO2005108314A1 (en) 2004-05-10 2005-05-08 Procedure for dewatering of suspensions
CNA2005800185276A CN1980865A (en) 2004-05-10 2005-05-08 Procedure for dewatering of suspensions
JP2007513103A JP2007536084A (en) 2004-05-10 2005-05-08 Suspension dewatering method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0401234A SE527884C2 (en) 2004-05-10 2004-05-10 Process for liquid expulsion from suspensions

Publications (3)

Publication Number Publication Date
SE0401234D0 true SE0401234D0 (en) 2004-05-10
SE0401234L SE0401234L (en) 2005-11-11
SE527884C2 SE527884C2 (en) 2006-07-04

Family

ID=32390935

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0401234A SE527884C2 (en) 2004-05-10 2004-05-10 Process for liquid expulsion from suspensions

Country Status (5)

Country Link
JP (1) JP2007536084A (en)
CN (1) CN1980865A (en)
RU (1) RU2006142558A (en)
SE (1) SE527884C2 (en)
WO (1) WO2005108314A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012024888A1 (en) 2012-12-19 2014-06-26 Institut za okoljevarstvo in senzorje, d.o.o. Method and device for dewatering waste sludge
CN105384322A (en) * 2015-07-02 2016-03-09 江苏鑫中恒水工业装备有限公司 Sludge drying and sewage treatment method
WO2017219131A1 (en) * 2016-06-23 2017-12-28 Fpinnovations Enhancing dewatering of biosolid slurries using an acid and lignocellulosic materials
CN109574446A (en) * 2018-12-14 2019-04-05 上海交通大学 A method of improving dewatering performance of sludge using ozone/coagulant/hydrophobic polyurethane
SE543633C2 (en) * 2020-03-25 2021-04-27 Valmet Oy Method for utilizing sludges from wood pulping
CN111499148B (en) * 2020-05-13 2021-01-29 扬州纪扬机械设备有限公司 Equipment for separating sludge and sewage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831384A1 (en) * 1978-07-17 1980-01-31 Weiss Geb Kg FILTER TOOLS FOR TREATMENT OF SUSPENSIONS, ESPECIALLY COMMUNAL, INDUSTRIAL AND OTHER SLUDGE FOR THE FOLLOWING DRAINAGE
JPS60147299A (en) * 1984-01-09 1985-08-03 Ebara Infilco Co Ltd Sludge dehydration method and apparatus thereof
SE523787C2 (en) * 2002-01-23 2004-05-18 Arne Lindahl Process for draining liquid from difficult dewatered materials
JP2018032707A (en) * 2016-08-24 2018-03-01 トヨタ自動車株式会社 Rectangular wire for forming reactor coil

Also Published As

Publication number Publication date
SE0401234L (en) 2005-11-11
CN1980865A (en) 2007-06-13
SE527884C2 (en) 2006-07-04
JP2007536084A (en) 2007-12-13
RU2006142558A (en) 2008-06-20
WO2005108314A1 (en) 2005-11-17

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