CA2307724C - Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage - Google Patents

Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage Download PDF

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Publication number
CA2307724C
CA2307724C CA002307724A CA2307724A CA2307724C CA 2307724 C CA2307724 C CA 2307724C CA 002307724 A CA002307724 A CA 002307724A CA 2307724 A CA2307724 A CA 2307724A CA 2307724 C CA2307724 C CA 2307724C
Authority
CA
Canada
Prior art keywords
sludge
waste
cellular
waste 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.)
Expired - Fee Related
Application number
CA002307724A
Other languages
English (en)
French (fr)
Other versions
CA2307724A1 (en
Inventor
Jeffrey S. Held
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.)
Opencel LLC
Original Assignee
D-H20 LLC
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 D-H20 LLC filed Critical D-H20 LLC
Priority claimed from PCT/US1997/020631 external-priority patent/WO1999024372A1/en
Publication of CA2307724A1 publication Critical patent/CA2307724A1/en
Application granted granted Critical
Publication of CA2307724C publication Critical patent/CA2307724C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Treatment Of Sludge (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
CA002307724A 1997-11-12 1997-11-12 Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage Expired - Fee Related CA2307724C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/020631 WO1999024372A1 (en) 1995-11-02 1997-11-12 Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage

Publications (2)

Publication Number Publication Date
CA2307724A1 CA2307724A1 (en) 1999-05-20
CA2307724C true CA2307724C (en) 2003-03-18

Family

ID=22262040

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002307724A Expired - Fee Related CA2307724C (en) 1997-11-12 1997-11-12 Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage

Country Status (4)

Country Link
EP (1) EP1028918A1 (ja)
JP (1) JP2001522721A (ja)
AU (1) AU5177698A (ja)
CA (1) CA2307724C (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6344349B1 (en) * 1999-12-06 2002-02-05 Decant Technologies Llc Process and system for electrical extraction of intracellular matter from biological matter
WO2003068691A1 (fr) 2002-02-12 2003-08-21 Les Technologies Elcotech Inc. Procédé de traitement des boues par action combinée de la pression et de l'électro-osmose
CA2437245A1 (fr) 2003-08-11 2005-02-11 Les Technologies Elcotech Inc. Appareil permettant le traitement des boues a forte siccitee
CA2927733A1 (en) * 2013-11-06 2015-05-14 Arc Aroma Pure Ab Method comprising separation and high voltage pulse treatment before digestion or further purification
CN110240379B (zh) * 2019-07-16 2023-11-24 科盛环保科技股份有限公司 一种石油化工污泥处理一体机

Also Published As

Publication number Publication date
EP1028918A1 (en) 2000-08-23
AU5177698A (en) 1999-05-31
JP2001522721A (ja) 2001-11-20
CA2307724A1 (en) 1999-05-20

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Effective date: 20171114