CA2281870C - Method and apparatus for separation of carbon from flyash - Google Patents

Method and apparatus for separation of carbon from flyash Download PDF

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Publication number
CA2281870C
CA2281870C CA002281870A CA2281870A CA2281870C CA 2281870 C CA2281870 C CA 2281870C CA 002281870 A CA002281870 A CA 002281870A CA 2281870 A CA2281870 A CA 2281870A CA 2281870 C CA2281870 C CA 2281870C
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CA
Canada
Prior art keywords
flyash
air
relative humidity
ash
transport
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 - Lifetime
Application number
CA002281870A
Other languages
English (en)
French (fr)
Other versions
CA2281870A1 (en
Inventor
James D. Bittner
Thomas M. Dunn
Frank J. Hrach, Jr.
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.)
Separation Technologies LLC
Original Assignee
Separation Technologies 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 Separation Technologies LLC filed Critical Separation Technologies LLC
Publication of CA2281870A1 publication Critical patent/CA2281870A1/en
Application granted granted Critical
Publication of CA2281870C publication Critical patent/CA2281870C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets
    • B03B9/04General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00Separating solids from solids by electrostatic effect
    • B03C7/006Charging without electricity supply, e.g. by tribo-electricity or pyroelectricity

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Electrostatic Separation (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
CA002281870A 1997-02-24 1998-02-23 Method and apparatus for separation of carbon from flyash Expired - Lifetime CA2281870C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/805,157 1997-02-24
US08/805,157 US6074458A (en) 1997-02-24 1997-02-24 Method and apparatus for separation of unburned carbon from flyash
PCT/US1998/003420 WO1998036844A1 (en) 1997-02-24 1998-02-23 Method and apparatus for separation of carbon from flyash

Publications (2)

Publication Number Publication Date
CA2281870A1 CA2281870A1 (en) 1998-08-27
CA2281870C true CA2281870C (en) 2007-01-02

Family

ID=25190813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002281870A Expired - Lifetime CA2281870C (en) 1997-02-24 1998-02-23 Method and apparatus for separation of carbon from flyash

Country Status (20)

Country Link
US (1) US6074458A (enExample)
EP (1) EP0961657B1 (enExample)
JP (1) JP2001512369A (enExample)
KR (1) KR100527926B1 (enExample)
CN (1) CN1154543C (enExample)
AU (1) AU734376B2 (enExample)
BR (1) BR9807744A (enExample)
CA (1) CA2281870C (enExample)
CZ (1) CZ300060B6 (enExample)
DE (1) DE69806727T2 (enExample)
EA (1) EA001346B1 (enExample)
ES (1) ES2181175T3 (enExample)
ID (1) ID23493A (enExample)
IL (1) IL131464A (enExample)
PL (1) PL187113B1 (enExample)
TR (1) TR199902048T2 (enExample)
TW (1) TW442335B (enExample)
UA (1) UA43457C2 (enExample)
WO (1) WO1998036844A1 (enExample)
ZA (1) ZA981525B (enExample)

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* Cited by examiner, † Cited by third party
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US6395145B1 (en) 2000-08-31 2002-05-28 Electric Power Research Institute, Inc. Fly ash treatment by in situ ozone generation
US7416646B2 (en) * 2000-08-31 2008-08-26 Electric Power Research Institute, Inc. Fly ash treatment by in situ ozone generation employing a venturi
EP1503859A4 (en) * 2002-05-15 2008-11-26 Univ Kentucky Res Found PARTICULATE SEPARATION AND PURIFICATION SYSTEM, DIFFUSER AND ASSOCIATED METHODS
US20040231566A1 (en) * 2003-05-20 2004-11-25 Cemex Inc. Process for Fly Ash Beneficiation
FR2943561B1 (fr) * 2009-03-27 2011-05-20 Apr2 Procede de separation electrostatique d'un melange de granules de materiaux differents et dispositif de mise en oeuvre
JP2013521163A (ja) 2010-03-04 2013-06-10 ゼフィロス インコーポレイテッド 構造複合積層品
US8552326B2 (en) * 2010-09-03 2013-10-08 Separation Technologies Llc Electrostatic separation control system
US8720255B2 (en) * 2011-01-20 2014-05-13 Nissan North America, Inc. Water uptake measurement system
JP5110193B2 (ja) * 2011-07-11 2012-12-26 パナソニック株式会社 プラスチック粉砕物の静電選別装置
US9206740B2 (en) 2013-01-04 2015-12-08 Honeywell International Inc. Liquid injection inlet particle separator systems and methods
KR101527277B1 (ko) * 2013-06-19 2015-06-09 이수찬 무수석고 미연탄소 제거 및 수화반응 전처리장치
US9393573B2 (en) 2014-04-24 2016-07-19 Separation Technologies Llc Continuous belt for belt-type separator devices
US9764332B2 (en) 2015-02-13 2017-09-19 Separation Technologies Llc Edge air nozzles for belt-type separator devices
FI128095B (fi) * 2015-02-23 2019-09-30 Fatec Oy Järjestely jätteeksi luokiteltavan aineen käsittelemiseksi
CN104984825B (zh) * 2015-07-20 2017-08-25 中国矿业大学 微细粒潮湿物料摩擦电选方法与装置
JP6987609B2 (ja) * 2016-12-21 2022-01-05 Jfeスチール株式会社 混合物の分離方法および装置
JP6880944B2 (ja) * 2017-03-31 2021-06-02 三菱マテリアル株式会社 未燃カーボン含有石炭灰の改質方法、未燃カーボン含有石炭灰の改質システムおよびコンクリート混和材用のフライアッシュの製造方法
MX2020010895A (es) * 2018-04-18 2021-01-29 Vecor Ip Holdings Ltd Material reciclado de silicato de aluminio y mezcla en forma de particulas que comprende material reciclado de silicato de aluminio.
US11479472B2 (en) 2019-01-24 2022-10-25 Elixsys, Inc. Systems and methods to recover value-added materials from gypsum
AU2020210980B2 (en) 2019-01-24 2025-05-22 Davy Powersports Inc. Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials
US11998930B2 (en) 2020-06-22 2024-06-04 Separation Technologies Llc Process for dry beneficiation of fine and very fine iron ore by size and electrostatic segregation
CN112237786B (zh) * 2020-10-14 2022-02-22 华东理工大学 一种煤气化细渣中残碳的分离方法
CN112742547B (zh) * 2020-12-15 2022-04-01 湖北工业大学 一种从粉煤灰中除碳的方法
FR3119335B1 (fr) 2021-01-29 2023-03-17 Fives Fcb Procédé et installation de traitement de cendres volantes
CN114872173B (zh) * 2022-04-26 2023-07-04 同济大学 一种不同温湿度下水泥固化养护及电阻率测量系统
CN120081191A (zh) * 2025-04-21 2025-06-03 三元控股集团杭州热电有限公司 一种飞灰气力输送系统

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758666A (en) * 1952-04-10 1956-08-14 Phillips Petroleum Co Carbon black separation
US2776725A (en) * 1954-05-20 1957-01-08 Phillips Petroleum Co Carbon black collecting and conveying systems
US3941685A (en) * 1974-08-15 1976-03-02 Kali Und Salz Aktiengesellschaft Process for electrostatic separation of pyrite from crude coal
DE2609048C2 (de) * 1976-03-05 1983-12-15 Kali Und Salz Ag, 3500 Kassel Verfahren und Vorrichtung zur elektrostatischen Aufbereitung von Carnallit enthaltenden Kalirohsalzen
JPS57171454A (en) * 1981-04-16 1982-10-22 Fuji Electric Corp Res & Dev Ltd Apparatus for classifying powder
JPS5949858A (ja) * 1982-09-16 1984-03-22 Fuji Electric Corp Res & Dev Ltd 粉体選別装置
AU557832B2 (en) * 1982-11-17 1987-01-08 Blue Circle Industries Plc Electrostatically seperating particulate materials
US4482351A (en) * 1982-12-27 1984-11-13 Hitachi Shipbuilding & Engineering Co., Ltd. Process for removing ash from coal
DE3439042A1 (de) * 1984-10-25 1986-04-30 Kali Und Salz Ag, 3500 Kassel Verfahren zur elektrostatischen aufbereitung von kieserit enthaltenden, gemahlenen kalirohsalzen
US4874507A (en) * 1986-06-06 1989-10-17 Whitlock David R Separating constituents of a mixture of particles
US4839032A (en) * 1986-06-06 1989-06-13 Advanced Energy Dynamics Inc. Separating constituents of a mixture of particles
DE4127572C1 (enExample) * 1991-08-21 1993-03-11 Kali Und Salz Ag, 3500 Kassel, De
US5251762A (en) * 1992-04-03 1993-10-12 Carpco, Inc. Electrostatic separation of particles
US5513755A (en) * 1993-02-03 1996-05-07 Jtm Industries, Inc. Method and apparatus for reducing carbon content in fly ash
US5299692A (en) * 1993-02-03 1994-04-05 Jtm Industries, Inc. Method and apparatus for reducing carbon content in particulate mixtures
DE4343625C1 (de) * 1993-12-21 1995-06-22 Kali & Salz Beteiligungs Ag Verfahren zur Aufbereitung von langbeinit- und anhydrithaltigen Kieserit-Konzentraten
US5449390A (en) * 1994-03-08 1995-09-12 Wilhelm Environmental Technologies, Inc. Flue gas conditioning system using vaporized sulfuric acid
US5819946A (en) * 1995-03-03 1998-10-13 Separation Technologies, Inc. Separation system belt construction
US5829598A (en) * 1995-04-28 1998-11-03 Separation Technologies, Inc. Method and apparatus for electrostatic separation

Also Published As

Publication number Publication date
KR20000075661A (ko) 2000-12-26
KR100527926B1 (ko) 2005-11-09
DE69806727D1 (de) 2002-08-29
IL131464A (en) 2002-02-10
JP2001512369A (ja) 2001-08-21
AU6180098A (en) 1998-09-09
IL131464A0 (en) 2001-01-28
US6074458A (en) 2000-06-13
AU734376B2 (en) 2001-06-14
ID23493A (id) 2000-04-27
ES2181175T3 (es) 2003-02-16
CZ300060B6 (cs) 2009-01-21
BR9807744A (pt) 2000-02-22
CA2281870A1 (en) 1998-08-27
PL335335A1 (en) 2000-04-25
EA199900763A1 (ru) 2000-02-28
TR199902048T2 (xx) 2000-10-23
CN1248181A (zh) 2000-03-22
EP0961657A1 (en) 1999-12-08
EP0961657B1 (en) 2002-07-24
CN1154543C (zh) 2004-06-23
PL187113B1 (pl) 2004-05-31
WO1998036844A1 (en) 1998-08-27
TW442335B (en) 2001-06-23
ZA981525B (en) 1998-09-23
EA001346B1 (ru) 2001-02-26
CZ298799A3 (cs) 2000-08-16
DE69806727T2 (de) 2002-12-05
UA43457C2 (uk) 2001-12-17

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