EP4731584A1 - Verfahren zum ausflocken von festen teilchen und verwendung einer behandlung mit hoher scherung - Google Patents

Verfahren zum ausflocken von festen teilchen und verwendung einer behandlung mit hoher scherung

Info

Publication number
EP4731584A1
EP4731584A1 EP24737490.3A EP24737490A EP4731584A1 EP 4731584 A1 EP4731584 A1 EP 4731584A1 EP 24737490 A EP24737490 A EP 24737490A EP 4731584 A1 EP4731584 A1 EP 4731584A1
Authority
EP
European Patent Office
Prior art keywords
cationic
high shear
biopolymer
shear treatment
weight
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
EP24737490.3A
Other languages
English (en)
French (fr)
Inventor
Jonni Ahlgren
Lenita Lindberg
Petteri SUOMINEN
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Publication of EP4731584A1 publication Critical patent/EP4731584A1/de
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
    • 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
    • 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
    • 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
    • C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
EP24737490.3A 2023-06-21 2024-06-20 Verfahren zum ausflocken von festen teilchen und verwendung einer behandlung mit hoher scherung Pending EP4731584A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20235696 2023-06-21
PCT/FI2024/050338 WO2024261404A1 (en) 2023-06-21 2024-06-20 Method for flocculating solid particles and use of high shear treatment

Publications (1)

Publication Number Publication Date
EP4731584A1 true EP4731584A1 (de) 2026-04-29

Family

ID=91758914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24737490.3A Pending EP4731584A1 (de) 2023-06-21 2024-06-20 Verfahren zum ausflocken von festen teilchen und verwendung einer behandlung mit hoher scherung

Country Status (3)

Country Link
EP (1) EP4731584A1 (de)
CN (1) CN121358699A (de)
WO (1) WO2024261404A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2827832T3 (es) * 2015-06-01 2021-05-24 Dupont Ind Biosciences Usa Llc Fíbridos de poli alfa-1,3-glucano y usos de los mismos y procesos para hacer fíbridos de poli alfa-1,3-glucano
BR112022024705A2 (pt) 2020-06-04 2023-02-28 Nutrition & Biosciences Usa 4 Inc Composição, método para produzir um composto de éter ou éster de copolímero de enxerto, método de floculação e método de absorção
CN117083306A (zh) * 2021-03-18 2023-11-17 凯米拉公司 生产改性阳离子化多糖的方法、改性阳离子化多糖及其用途

Also Published As

Publication number Publication date
WO2024261404A1 (en) 2024-12-26
CN121358699A (zh) 2026-01-16

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