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TW200736402A - Method for treating off-gas from sintering and pellet plants - Google Patents

Method for treating off-gas from sintering and pellet plants

Info

Publication number
TW200736402A
TW200736402A TW096106594A TW96106594A TW200736402A TW 200736402 A TW200736402 A TW 200736402A TW 096106594 A TW096106594 A TW 096106594A TW 96106594 A TW96106594 A TW 96106594A TW 200736402 A TW200736402 A TW 200736402A
Authority
TW
Taiwan
Prior art keywords
gas
sintering
treating
pellet
fabric filter
Prior art date
Application number
TW096106594A
Other languages
Chinese (zh)
Other versions
TWI438283B (en
Inventor
Alexander Fleischanderl
Robert Neuhold
Original Assignee
Siemens Vai Metals Tech Gmbh
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 Siemens Vai Metals Tech Gmbh filed Critical Siemens Vai Metals Tech Gmbh
Publication of TW200736402A publication Critical patent/TW200736402A/en
Application granted granted Critical
Publication of TWI438283B publication Critical patent/TWI438283B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/508—Sulfur oxides by treating the gases with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • B01D53/685—Halogens or halogen compounds by treating the gases with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B01D53/83—Solid phase processes with moving reactants

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

A method for treating off-gas from sintering and pellet plants, in which dry additive is added to the off-gas from sintering or pellet plant upstream of a fabric filter (3), in particular in an off-gas channel (2), and the additive is the separated from the off-gas by the fabric filter (3), is described. The method is characterized in that the additive contains sodium bicarbonate NaHCO3 as a reagent and is recirculated at least partly into the off-gas stream, in particular into the off-gas channel (2), upstream of the fabric filter (3). As a result, gas conditioning (cooling), as is necessary for lime-containing reagent, can be avoided.
TW096106594A 2006-02-28 2007-02-27 Method for treating off-gas from sintering and pellet plants TWI438283B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0034006A AT502375B1 (en) 2006-02-28 2006-02-28 Treatment of waste gases from iron ore sintering and pelleting plant comprises adding sodium bicarbonate to gas in feed pipe upstream from fabric filter which then separates it out, at least some bicarbonate being recirculated to feed pipe

Publications (2)

Publication Number Publication Date
TW200736402A true TW200736402A (en) 2007-10-01
TWI438283B TWI438283B (en) 2014-05-21

Family

ID=37776708

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096106594A TWI438283B (en) 2006-02-28 2007-02-27 Method for treating off-gas from sintering and pellet plants

Country Status (6)

Country Link
CN (1) CN101394915B (en)
AT (1) AT502375B1 (en)
RU (1) RU2508159C2 (en)
TW (1) TWI438283B (en)
UA (1) UA59847U (en)
WO (1) WO2007098867A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048370A1 (en) * 2009-07-24 2011-01-27 Drysotec Gmbh Process for the treatment of exhaust gases, in particular from steel production
CN101862590A (en) * 2010-06-30 2010-10-20 马鞍山钢铁股份有限公司 A desulfurization process of sintering flue gas
CN103879970B (en) * 2014-03-14 2015-09-30 成都华西堂投资有限公司 A kind ofly from flue gas, reclaim the production technique that sulfurous gas produces sulphur
CN109499295A (en) * 2018-12-29 2019-03-22 米凯利科技（北京）有限公司 Dry method desulfuration system
CN112619388A (en) * 2020-11-17 2021-04-09 天津浩创节能环保设备有限公司 Preparation method of flue gas desulfurizing agent

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100645A1 (en) * 1991-01-11 1992-07-16 Hansjoerg Regler Waste gas purificn. with nitrogen basic cpds. removing acid cpds. - by adding ammonia and alkali and/or alkaline earth cpds., for foundry, alkali chloride electrolysis, blast furnace, power station, refuse and glass industry
FR2681795B1 (en) * 1991-09-30 1993-11-19 Solvay PROCESS FOR CLEANING A GAS CONTAINING NITRIC OXIDE AND SULFUR DIOXIDE.
JPH0647237A (en) * 1992-07-28 1994-02-22 Topy Ind Ltd Treatment of waste gas from electric furnace
DE19623981A1 (en) * 1996-06-15 1998-01-08 Rheinische Braunkohlenw Ag Removal of pollutants from sintering plant waste gases using lignite coke adsorbent
FR2751560A1 (en) * 1996-07-26 1998-01-30 Solvay Eliminating hydrogen chloride, nitric oxide and sulphur di:oxide from incineration of waste
DE19651822C2 (en) * 1996-12-13 1999-02-11 Thyssen Stahl Ag Process for reducing the PCDD and / or PCDF concentration in exhaust gases
CN1202388A (en) * 1997-06-16 1998-12-23 中国科学院生态环境研究中心 Method for desulfurating by bauxite
US6299848B1 (en) * 1998-09-25 2001-10-09 Hamon Research-Cottrell Process for removing sulfur dioxide out of a gas
DE19856260C1 (en) * 1998-12-07 2000-03-16 Steinmueller Gmbh L & C Reduction of polychlorinated dibenzodioxin and dibenzofuran content in waste gas from sintering plant by adding adsorbent comprises agglomeration of adsorbent and dust from filter before recycling
DE20210008U1 (en) * 2002-04-16 2002-10-24 MSB Müllkraftwerk Schwandorf Betriebsgesellschaft mbH, 92421 Schwandorf Exhaust gas cleaning reagents
AT8227U3 (en) * 2005-12-13 2006-09-15 Voest Alpine Ind Anlagen METHOD AND DEVICE FOR TREATING EXHAUST GASES FROM SINTERING EQUIPMENT

Also Published As

Publication number Publication date
RU2508159C2 (en) 2014-02-27
UA59847U (en) 2011-06-10
AT502375A4 (en) 2007-03-15
WO2007098867A1 (en) 2007-09-07
RU2008138582A (en) 2010-04-10
AT502375B1 (en) 2007-03-15
CN101394915B (en) 2012-11-07
CN101394915A (en) 2009-03-25
TWI438283B (en) 2014-05-21

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