JPS5391468A - Dehydrator for pretreatment of concentrated sludge - Google Patents

Dehydrator for pretreatment of concentrated sludge

Info

Publication number
JPS5391468A
JPS5391468A JP547177A JP547177A JPS5391468A JP S5391468 A JPS5391468 A JP S5391468A JP 547177 A JP547177 A JP 547177A JP 547177 A JP547177 A JP 547177A JP S5391468 A JPS5391468 A JP S5391468A
Authority
JP
Japan
Prior art keywords
dehydrator
pretreatment
concentrated sludge
sludge
voltage
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
JP547177A
Other languages
Japanese (ja)
Inventor
Shigeru Oguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi Plant Engineering and Construction Co 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 Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Plant Engineering and Construction Co Ltd
Priority to JP547177A priority Critical patent/JPS5391468A/en
Publication of JPS5391468A publication Critical patent/JPS5391468A/en
Pending legal-status Critical Current

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  • Electrostatic Separation (AREA)

Abstract

PURPOSE: To accomplish effective separation of water contained by means of a grounded conductive sludge layer, an electrode submerged in a concentrated sludge in a sludge tank, a means of applying AC voltage to the electrode, and a means of removing water separated by the AC voltage thus applied.
COPYRIGHT: (C)1978,JPO&Japio
JP547177A 1977-01-20 1977-01-20 Dehydrator for pretreatment of concentrated sludge Pending JPS5391468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP547177A JPS5391468A (en) 1977-01-20 1977-01-20 Dehydrator for pretreatment of concentrated sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP547177A JPS5391468A (en) 1977-01-20 1977-01-20 Dehydrator for pretreatment of concentrated sludge

Publications (1)

Publication Number Publication Date
JPS5391468A true JPS5391468A (en) 1978-08-11

Family

ID=11612148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP547177A Pending JPS5391468A (en) 1977-01-20 1977-01-20 Dehydrator for pretreatment of concentrated sludge

Country Status (1)

Country Link
JP (1) JPS5391468A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802964A (en) * 1986-12-08 1989-02-07 Battelle Memorial Institute Liquid separation process for suspensions by a pulsating electrical current
US5695650A (en) * 1995-11-02 1997-12-09 Held; Jeffery S. Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
US5893979A (en) * 1995-11-02 1999-04-13 Held; Jeffery S. Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
US6030538A (en) * 1995-11-02 2000-02-29 Held; Jeffery S. Method and apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltages
US7001520B2 (en) 1995-11-02 2006-02-21 Opencel Llc. Method for treating waste-activated sludge using elecroporation
US7507341B2 (en) 1999-01-13 2009-03-24 Opencel Llc Method of and apparatus for converting biological materials into energy resources
US7572369B2 (en) 2007-02-16 2009-08-11 Opencel Llc System for supporting denitrification

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802964A (en) * 1986-12-08 1989-02-07 Battelle Memorial Institute Liquid separation process for suspensions by a pulsating electrical current
US5695650A (en) * 1995-11-02 1997-12-09 Held; Jeffery S. Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
US5893979A (en) * 1995-11-02 1999-04-13 Held; Jeffery S. Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
US6030538A (en) * 1995-11-02 2000-02-29 Held; Jeffery S. Method and apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltages
US7001520B2 (en) 1995-11-02 2006-02-21 Opencel Llc. Method for treating waste-activated sludge using elecroporation
US7645382B2 (en) 1995-11-02 2010-01-12 Opencell Llc Apparatus for converting biological materials into energy resources
US7507341B2 (en) 1999-01-13 2009-03-24 Opencel Llc Method of and apparatus for converting biological materials into energy resources
US7572369B2 (en) 2007-02-16 2009-08-11 Opencel Llc System for supporting denitrification
US7695621B2 (en) 2007-02-16 2010-04-13 Opencel Llc Method of supporting denitrification

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