EP4054985A4 - Drying method and device for sludge - Google Patents

Drying method and device for sludge Download PDF

Info

Publication number
EP4054985A4
EP4054985A4 EP20884881.2A EP20884881A EP4054985A4 EP 4054985 A4 EP4054985 A4 EP 4054985A4 EP 20884881 A EP20884881 A EP 20884881A EP 4054985 A4 EP4054985 A4 EP 4054985A4
Authority
EP
European Patent Office
Prior art keywords
sludge
drying method
drying
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.)
Pending
Application number
EP20884881.2A
Other languages
German (de)
French (fr)
Other versions
EP4054985A1 (en
Inventor
Timo RAHIKAINEN
Juha KUUTTI
Harry PIIRAINEN
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.)
Eco Wws Oy
Original Assignee
Eco Wws Oy
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 Eco Wws Oy filed Critical Eco Wws Oy
Publication of EP4054985A1 publication Critical patent/EP4054985A1/en
Publication of EP4054985A4 publication Critical patent/EP4054985A4/en
Pending 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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/56—Electro-osmotic dewatering
    • 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
    • C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
    • 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
    • F26B5/02—Drying solid materials or objects by processes not involving the application of heat by using ultrasonic vibrations
    • 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
    • F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • 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
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • 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
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • C02F11/131—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves
    • 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
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • 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
    • 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
    • C02F11/15—Treatment of sludge; Devices therefor by de-watering, drying or thickening by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves
    • 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 good
    • F26B2200/02—Biomass, e.g. waste vegetative matter, straw
    • 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 good
    • 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)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Combustion & Propulsion (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Urology & Nephrology (AREA)
  • Treatment Of Sludge (AREA)
EP20884881.2A 2019-11-08 2020-11-06 Drying method and device for sludge Pending EP4054985A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20195958A FI20195958A1 (en) 2019-11-08 2019-11-08 Drying method and device for sludge
PCT/FI2020/050736 WO2021089924A1 (en) 2019-11-08 2020-11-06 Drying method and device for sludge

Publications (2)

Publication Number Publication Date
EP4054985A1 EP4054985A1 (en) 2022-09-14
EP4054985A4 true EP4054985A4 (en) 2023-11-08

Family

ID=75848286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20884881.2A Pending EP4054985A4 (en) 2019-11-08 2020-11-06 Drying method and device for sludge

Country Status (3)

Country Link
EP (1) EP4054985A4 (en)
FI (1) FI20195958A1 (en)
WO (1) WO2021089924A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112408889B (en) * 2020-12-07 2022-04-05 湖北文理学院 Preparation method of modified municipal sludge and application of modified municipal sludge in ecological slope protection
CN113983764A (en) * 2021-11-22 2022-01-28 上海牧融机械设备有限公司 Spiral secondary extrusion dehydrator
CN116495960B (en) * 2023-06-27 2023-10-20 中铁建工集团有限公司 Sludge pretreatment equipment and treatment process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040084380A1 (en) * 2002-11-04 2004-05-06 Kicinski Andrew J. Method and system for treating waste by application of energy waves
CN108911472A (en) * 2018-08-23 2018-11-30 河海大学 A kind of acoustic-electric composite multifunction sludge reduction system and its working method
EP3539932A1 (en) * 2018-03-16 2019-09-18 Ulrich Kubinger Method for optimizing the dewatering of sludge from a biological purification process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874199A (en) * 1981-10-26 1983-05-04 Meidensha Electric Mfg Co Ltd Dehydrating method for waterworks sludge
FI103108B1 (en) * 1994-08-29 1999-04-30 Valmet Flootek Oy Process for separating water from sludge
CN100390080C (en) * 2005-12-08 2008-05-28 扬子石油化工股份有限公司 Process for facilitating sludge decrement
WO2011063512A1 (en) * 2009-11-26 2011-06-03 Gl&V Canada Inc. Increasing dewatering efficiency by combining electro-osmosis and aeration
CN106277693A (en) * 2015-06-05 2017-01-04 天津达川环保科技有限公司 A kind of high mass dryness fraction sludge treater
CN108083611A (en) * 2016-11-23 2018-05-29 天津达川环保科技有限公司 A kind of method for sludge treatment
FI127626B (en) * 2017-06-22 2018-10-31 Lappeenrannan Teknillinen Yliopisto A method and a device for removing liquid from material
CN109293219A (en) * 2018-11-19 2019-02-01 吉林建筑大学 Sludge dehydration device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040084380A1 (en) * 2002-11-04 2004-05-06 Kicinski Andrew J. Method and system for treating waste by application of energy waves
EP3539932A1 (en) * 2018-03-16 2019-09-18 Ulrich Kubinger Method for optimizing the dewatering of sludge from a biological purification process
CN108911472A (en) * 2018-08-23 2018-11-30 河海大学 A kind of acoustic-electric composite multifunction sludge reduction system and its working method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QIAN XU ET AL: "Characterization of the structure and interaction of sludge biosolids during the conditioning-electro-dewatering pro", COLLOIDS AND SURFACES A : PHYSIOCHEMICAL AND ENGINEERINGS ASPECTS, ELSEVIER, AMSTERDAM, NL, vol. 484, 31 July 2015 (2015-07-31), pages 108 - 117, XP029271965, ISSN: 0927-7757, DOI: 10.1016/J.COLSURFA.2015.07.056 *

Also Published As

Publication number Publication date
FI20195958A1 (en) 2021-05-09
WO2021089924A1 (en) 2021-05-14
EP4054985A1 (en) 2022-09-14

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RIC1 Information provided on ipc code assigned before grant

Ipc: C02F 11/123 20190101ALN20231002BHEP

Ipc: C02F 9/00 20060101ALI20231002BHEP

Ipc: G01N 21/3563 20140101ALI20231002BHEP

Ipc: B01D 61/56 20060101ALI20231002BHEP

Ipc: F26B 3/347 20060101ALI20231002BHEP

Ipc: F26B 5/14 20060101ALI20231002BHEP

Ipc: F26B 5/02 20060101ALI20231002BHEP

Ipc: F26B 1/00 20060101ALI20231002BHEP

Ipc: C02F 11/147 20190101ALI20231002BHEP

Ipc: C02F 11/143 20190101ALI20231002BHEP

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Ipc: C02F 11/15 20190101AFI20231002BHEP