EP0946435A4 - Sludge dewatering control system - Google Patents

Sludge dewatering control system

Info

Publication number
EP0946435A4
EP0946435A4 EP97909064A EP97909064A EP0946435A4 EP 0946435 A4 EP0946435 A4 EP 0946435A4 EP 97909064 A EP97909064 A EP 97909064A EP 97909064 A EP97909064 A EP 97909064A EP 0946435 A4 EP0946435 A4 EP 0946435A4
Authority
EP
European Patent Office
Prior art keywords
control system
sludge dewatering
dewatering control
sludge
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.)
Withdrawn
Application number
EP97909064A
Other languages
German (de)
French (fr)
Other versions
EP0946435A1 (en
Inventor
David Waite
Rose Amal
Jing Guan
Heriberto Alejandro Bustamante
Ronald F Wukasch
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.)
Unisearch Ltd
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Publication of EP0946435A1 publication Critical patent/EP0946435A1/en
Publication of EP0946435A4 publication Critical patent/EP0946435A4/en
Withdrawn legal-status Critical Current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
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Sludge (AREA)
EP97909064A 1996-10-29 1997-10-29 Sludge dewatering control system Withdrawn EP0946435A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPO328596 1996-10-29
AUPO3285A AUPO328596A0 (en) 1996-10-29 1996-10-29 Sludge dewatering control system
PCT/AU1997/000723 WO1998018730A1 (en) 1996-10-29 1997-10-29 Sludge dewatering control system

Publications (2)

Publication Number Publication Date
EP0946435A1 EP0946435A1 (en) 1999-10-06
EP0946435A4 true EP0946435A4 (en) 2000-01-26

Family

ID=3797594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909064A Withdrawn EP0946435A4 (en) 1996-10-29 1997-10-29 Sludge dewatering control system

Country Status (7)

Country Link
EP (1) EP0946435A4 (en)
JP (1) JP2001502601A (en)
KR (1) KR20000052923A (en)
AU (1) AUPO328596A0 (en)
CA (1) CA2270207A1 (en)
NO (1) NO992070L (en)
WO (1) WO1998018730A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10115179B4 (en) * 2001-03-27 2005-12-15 Clausthaler Umwelttechnikinstitut Gmbh, (Cutec-Institut) Method and measuring arrangement for automatically determining the concentration factor of conditioned sewage sludge
CN108693775A (en) * 2018-05-24 2018-10-23 株洲时代新材料科技股份有限公司 A kind of full-automatic, adaptive, ratio regulation and control sludge conditioning method
NL2021302B1 (en) 2018-07-13 2020-01-20 Haskoningdhv Nederland Bv Method for dewatering watery biomass
CN112777918B (en) * 2020-12-11 2022-08-12 北京林业大学 Online control method for sludge oxidation conditioning based on fractal dimension and granularity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752131A (en) * 1984-04-04 1988-06-21 Basf Aktiengesellschaft Laser-optical arrangement for measuring the degree of dispersion in flowing systems
US5037559A (en) * 1986-12-22 1991-08-06 Passavant-Werke Ag Process for conditioning and dewatering sludges
US5366622A (en) * 1990-09-20 1994-11-22 Passavant-Werke Ag Procedure and installation for conditioning and subsequent dewatering of sludge
DE4442418A1 (en) * 1994-11-29 1996-05-30 Joachim Friedrich Knauer Dosing unit for batch addn. of flocculant to aq. sludge from storage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2033421T3 (en) * 1987-11-19 1993-03-16 Calgon Corporation SYSTEM AND METHOD TO MONITOR AND / OR CONTROL LIQUID-SOLID SEPARATION PROCEDURES.
US5380440A (en) * 1992-06-09 1995-01-10 Anikem Pty. Limited Two dewatering of slurries controlled by video system
AT401112B (en) * 1993-11-12 1996-06-25 Andritz Patentverwaltung METHOD AND DEVICE FOR CONTROLLING OR CONTROL OF A SOLID-LIQUID SEPARATION PROCESS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752131A (en) * 1984-04-04 1988-06-21 Basf Aktiengesellschaft Laser-optical arrangement for measuring the degree of dispersion in flowing systems
US5037559A (en) * 1986-12-22 1991-08-06 Passavant-Werke Ag Process for conditioning and dewatering sludges
US5366622A (en) * 1990-09-20 1994-11-22 Passavant-Werke Ag Procedure and installation for conditioning and subsequent dewatering of sludge
DE4442418A1 (en) * 1994-11-29 1996-05-30 Joachim Friedrich Knauer Dosing unit for batch addn. of flocculant to aq. sludge from storage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9818730A1 *

Also Published As

Publication number Publication date
CA2270207A1 (en) 1998-05-07
JP2001502601A (en) 2001-02-27
EP0946435A1 (en) 1999-10-06
KR20000052923A (en) 2000-08-25
NO992070D0 (en) 1999-04-29
NO992070L (en) 1999-06-11
WO1998018730A1 (en) 1998-05-07
AUPO328596A0 (en) 1996-11-21

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Legal Events

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