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EP1948365A4 - A method for separating elements and/or their compounds from each other - Google Patents

A method for separating elements and/or their compounds from each other

Info

Publication number
EP1948365A4
EP1948365A4 EP06812970A EP06812970A EP1948365A4 EP 1948365 A4 EP1948365 A4 EP 1948365A4 EP 06812970 A EP06812970 A EP 06812970A EP 06812970 A EP06812970 A EP 06812970A EP 1948365 A4 EP1948365 A4 EP 1948365A4
Authority
EP
European Patent Office
Prior art keywords
compounds
separating elements
separating
elements
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Withdrawn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
EP06812970A
Other languages
German (de)
French (fr)
Other versions
EP1948365A1 (en
Inventor
Erik Baecklund
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.)
AIRGRINDER AB
Original Assignee
AIRGRINDER AB
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 AIRGRINDER AB filed Critical AIRGRINDER AB
Publication of EP1948365A1 publication Critical patent/EP1948365A1/en
Publication of EP1948365A4 publication Critical patent/EP1948365A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/003—Pretreatment of the solids prior to electrostatic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
    • B03C3/15—Centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/006—Charging without electricity supply, e.g. by tribo-electricity or pyroelectricity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/02—Separators
    • B03C7/12—Separators with material falling free
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • B04C2005/133—Adjustable vortex finder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/001—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with means for electrostatic separation
EP06812970A 2005-11-03 2006-11-02 A method for separating elements and/or their compounds from each other Withdrawn EP1948365A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0502431A SE530917C2 (en) 2005-11-03 2005-11-03 Process and apparatus for separating different elements and / or their compounds from each other
PCT/SE2006/001247 WO2007053089A1 (en) 2005-11-03 2006-11-02 A method for separating elements and/or their compounds from each other

Publications (2)

Publication Number Publication Date
EP1948365A1 EP1948365A1 (en) 2008-07-30
EP1948365A4 true EP1948365A4 (en) 2011-02-23

Family

ID=38006131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06812970A Withdrawn EP1948365A4 (en) 2005-11-03 2006-11-02 A method for separating elements and/or their compounds from each other

Country Status (4)

Country Link
EP (1) EP1948365A4 (en)
SE (1) SE530917C2 (en)
WO (1) WO2007053089A1 (en)
ZA (1) ZA200803868B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1400411B1 (en) * 2010-05-31 2013-05-31 Cassani METHOD AND DEVICE TO SEPARATE PARTICLES OF A CERTAIN SYNTHETIC MATERIAL FROM PARTICLES OF DIFFERENT SYNTHETIC MATERIALS
NL2009989C2 (en) * 2012-12-14 2014-06-17 Gerben Hendrikus Zuidam Method and system for mining or extraction of noble metals.
CN103586136B (en) * 2013-11-12 2017-01-04 李佳 Waste and old mixing rigid plastics granule vortex air flow-high-pressure electrostatic segregation apparatus and method
GB2575996B (en) * 2018-07-31 2022-06-29 Sirmon Industries Ltd Separator for removing particles of plastic from mixed particulate material
CN109225642B (en) * 2018-10-16 2019-09-03 江南大学 A wet electrostatic classification device for ultrafine powder
FR3113613A1 (en) 2020-09-03 2022-03-04 Skytech Method for designing a device for the electrostatic separation of a mixture of granules of different materials and associated devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493109A (en) * 1967-08-04 1970-02-03 Consiglio Nazionale Ricerche Process and apparatus for electrostatically separating ores with charging of the particles by triboelectricity
US5755333A (en) * 1995-12-22 1998-05-26 University Of Kentucky Research Foundation Method and apparatus for triboelectric-centrifugal separation
US5885330A (en) * 1996-08-12 1999-03-23 Lee; Jae Keun Separation system and method of unburned carbon in flyash from a coal-fired power plant
JP2003103197A (en) * 2001-09-28 2003-04-08 Japan Science & Technology Corp Electrostatic sorting method for plastics etc.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604956A (en) * 1948-12-04 1952-07-29 Aaron Kantrow Cyclone separator
JPS5742355A (en) * 1980-08-23 1982-03-09 Senichi Masuda Electrostatic separator
US5236132A (en) * 1992-01-03 1993-08-17 Vortec, Inc. Gradient-force comminuter/dehydrator apparatus and method
US6517015B2 (en) * 2000-03-21 2003-02-11 Frank F. Rowley, Jr. Two-stage comminuting and dehydrating system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493109A (en) * 1967-08-04 1970-02-03 Consiglio Nazionale Ricerche Process and apparatus for electrostatically separating ores with charging of the particles by triboelectricity
US5755333A (en) * 1995-12-22 1998-05-26 University Of Kentucky Research Foundation Method and apparatus for triboelectric-centrifugal separation
US5885330A (en) * 1996-08-12 1999-03-23 Lee; Jae Keun Separation system and method of unburned carbon in flyash from a coal-fired power plant
JP2003103197A (en) * 2001-09-28 2003-04-08 Japan Science & Technology Corp Electrostatic sorting method for plastics etc.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007053089A1 *

Also Published As

Publication number Publication date
SE530917C2 (en) 2008-10-21
SE0502431L (en) 2007-05-04
ZA200803868B (en) 2009-01-28
EP1948365A1 (en) 2008-07-30
WO2007053089A1 (en) 2007-05-10

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080529

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20110120

RIC1 Information provided on ipc code assigned before grant

Ipc: B03C 3/15 20060101ALI20110114BHEP

Ipc: B03C 7/12 20060101AFI20070705BHEP

Ipc: B04C 9/00 20060101ALI20110114BHEP

Ipc: B03C 7/00 20060101ALI20110114BHEP

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20120926

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130207