FR2229450A1 - - Google Patents

Info

Publication number
FR2229450A1
FR2229450A1 FR7416219A FR7416219A FR2229450A1 FR 2229450 A1 FR2229450 A1 FR 2229450A1 FR 7416219 A FR7416219 A FR 7416219A FR 7416219 A FR7416219 A FR 7416219A FR 2229450 A1 FR2229450 A1 FR 2229450A1
Authority
FR
France
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.)
Granted
Application number
FR7416219A
Other versions
FR2229450B1 (fr
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.)
Dravo Corp
Original Assignee
Dravo Corp
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 Dravo Corp filed Critical Dravo Corp
Publication of FR2229450A1 publication Critical patent/FR2229450A1/fr
Application granted granted Critical
Publication of FR2229450B1 publication Critical patent/FR2229450B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/464—Sulfates of Ca from gases containing sulfur oxides
    • 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
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/48—Sulfites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/42—Magnesium sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7416219A 1973-05-14 1974-05-10 Expired FR2229450B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US359777A US3919394A (en) 1973-05-14 1973-05-14 Process for the removal of oxides of sulfur from a gaseous stream
US450752A US3914378A (en) 1973-05-14 1974-03-13 Process for wet scrubbing of sulfur dioxide from flue gas

Publications (2)

Publication Number Publication Date
FR2229450A1 true FR2229450A1 (fr) 1974-12-13
FR2229450B1 FR2229450B1 (fr) 1979-04-06

Family

ID=27000626

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7416219A Expired FR2229450B1 (fr) 1973-05-14 1974-05-10
FR7507498A Expired FR2263810B2 (fr) 1973-05-14 1975-03-11

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7507498A Expired FR2263810B2 (fr) 1973-05-14 1975-03-11

Country Status (7)

Country Link
US (3) US3919394A (fr)
BE (2) BE814641A (fr)
CA (2) CA1048231A (fr)
DE (2) DE2421423C2 (fr)
FR (2) FR2229450B1 (fr)
GB (2) GB1457028A (fr)
NL (2) NL7406132A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295908A2 (fr) * 1987-06-17 1988-12-21 Bechtel Group Incorporated Désulfurisation de gaz fumé
EP0339683A2 (fr) * 1988-04-29 1989-11-02 Dravo Lime Company Procédé de désulfurisation d'un courant de gaz contenant du dioxyde de soufre

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046856A (en) * 1974-03-15 1977-09-06 Kawasaki Jukogyo Kabushiki Kaisha Method for removing sulfur oxide from stack gas
US4113840A (en) * 1974-09-19 1978-09-12 Beamer/Wilkinson & Associates Process for the removal of sulfur dioxide from exhaust flue gases
JPS5232896A (en) * 1975-09-10 1977-03-12 Mitsubishi Heavy Ind Ltd Improved wet recovery process of sulfur in the waste gas as gypsum wit h lime
US3985860A (en) * 1975-09-22 1976-10-12 Pullman Incorporated Method for oxidation of SO2 scrubber sludge
JPS53117683A (en) * 1977-03-23 1978-10-14 Kawasaki Heavy Ind Ltd Removing method for sulfure oxides contained in exhayst gas
DE2722423A1 (de) * 1977-05-18 1978-11-30 Fritz Dipl Kfm Henning Verfahren zur chemischen entgiftung der abgase von verbrennungsmotoren und stationaeren heizanlagen
US4150096A (en) * 1977-10-31 1979-04-17 Nelms William M Process for treating combustion gases
DE2755252A1 (de) * 1977-12-12 1979-07-05 Babcock Bsh Ag Verfahren zur entfernung von schwefeldioxid aus abgasen unter erzeugung von gips
US4164549A (en) * 1978-01-30 1979-08-14 Dravo Corporation Lime scrubbing process for sulfur dioxide removal from gases
US4177158A (en) * 1978-02-13 1979-12-04 Chevron Research Company Method for producing an attrition-resistant adsorbent for sulfur dioxide, the resulting composition and a process using same
US4252553A (en) * 1979-05-11 1981-02-24 Pircon Ladislav J Process for production of fertilizers
US4411879A (en) * 1981-08-13 1983-10-25 Electric Power Research Institute Method for enhancing the sulfur capture potential of lime using a filter means in the flue gas
US4431618A (en) * 1982-10-12 1984-02-14 Fmc Corporation Process control of continuous sodium-limestone flue gas desulfurization system
DE3310014A1 (de) * 1983-03-19 1984-09-20 Gattys Technique S.A., Freiburg/Fribourg Verfahren zur rueckgewinnung der abwaerme aus den rauchgasen von verbrennungsanlagen
US4616574A (en) * 1984-05-25 1986-10-14 Empire State Electric Energy Research Corp. (Eseerco) Process for treating combustion systems with pressure-hydrated dolomitic lime
DE3435931A1 (de) * 1984-09-29 1986-04-03 Bayer Ag, 5090 Leverkusen Verfahren zur entschwefelung von rauchgasen
DE3437965A1 (de) * 1984-10-17 1986-04-24 Knauf-Research-Cottrell GmbH & Co Umwelttechnik KG, 8715 Iphofen Verfahren und vorrichtung zur abscheidung von so(pfeil abwaerts)3(pfeil abwaerts), schwefelsaeure und schwefelsaeurenebeln aus rauchgasen
AU584414B2 (en) * 1985-03-16 1989-05-25 Saarbergwerke Aktiengesellschaft Smoke gas exhaust by way of a cooling tower
US4666690A (en) * 1985-12-20 1987-05-19 Foster Wheeler Development Corporation Method for removing sulfur dioxide from flue gases
US4710364A (en) * 1986-09-10 1987-12-01 Advanced Separation Technologies Incorporated Continuous recovery of sulfur oxide from flue gas
US4834955A (en) * 1988-04-26 1989-05-30 Nalco Chemical Company Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems
US4976936A (en) * 1989-08-18 1990-12-11 Dravo Lime Company Flue gas desulfurization with oxidation of calcium sulfite in FGD discharges
JP2745748B2 (ja) * 1989-12-15 1998-04-28 日本鋼管株式会社 スラリー定量供給装置
US4996032A (en) * 1989-12-21 1991-02-26 Dravo Lime Company Process for removing sulfur dioxide from flue gases
US4976937A (en) * 1990-01-08 1990-12-11 Dravo Lime Company Sulfur dioxide removal from flue gases with sulfite oxidation inhibition
US5082639A (en) * 1990-11-06 1992-01-21 Dravo Lime Company Sulfur dioxide removal from gases using a modified lime
US5173279A (en) * 1990-11-21 1992-12-22 Lhoist Recherche Et Developpement S.A. Method and composition for treating flue or exhaust gases utilizing modified calcium hydroxide
US5084255A (en) * 1991-03-26 1992-01-28 Dravco Lime Company Sulfur dioxide removal process with gypsum and magnesium hydroxide production
US5213782A (en) * 1991-11-22 1993-05-25 Electric Power Research Institute Clear liquor scrubbing magnesium-enhanced lime flue gas desulfurization process
US5260045A (en) * 1991-11-22 1993-11-09 Electric Power Research Institute Modification of magnesium-enhanced lime flue gas desulfurization process to improve solids dewatering
US5397549A (en) * 1991-11-26 1995-03-14 Newman; Dave B. Apparatus to remove acid gases from a flue gas
US5270026A (en) * 1992-12-11 1993-12-14 Dravo Lime Company Sulfur dioxide scrubbing process producing purified magnesium hydroxide
US5312609A (en) * 1992-12-31 1994-05-17 Dravo Lime Company Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation
US5558848A (en) * 1993-08-20 1996-09-24 Moser; Robert E. Clear liquid acid flue gas desulfurization system
DE19502632C2 (de) * 1994-02-10 2002-06-20 Ver Energiewerke Ag Verfahren zum Betreiben einer Rauchgasentschwefelungsanlage für ein braunkohlenstaubgefeuertes Kraftwerk
CA2147059C (fr) * 1994-04-28 1999-08-10 John W. College Procede ameliore au magnesium pour l'elimination du dioxyde de soufre, avec formation de gypse
US5486342A (en) * 1994-06-13 1996-01-23 Electric Power Research Institute Clear liquor scrubbing of sulfur dioxide with forced oxidation in flue gas desulfurization system
DE19522586B4 (de) * 1995-01-20 2004-03-04 Vattenfall Europe Generation Ag & Co. Kg Verfahren zum Betreiben einer Rauchgasentschwefelungsanlage für ein braunkohlenstaubgefeuertes Kraftwerk
US5614158A (en) * 1995-10-20 1997-03-25 Dravo Lime Company Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide
US5695727A (en) * 1996-03-05 1997-12-09 Dravo Lime Company Process for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regeneration
US6099816A (en) * 1996-07-24 2000-08-08 Dravo Lime, Inc. Process for desulfurizing a sulfur-dioxide containing gas
US5827488A (en) * 1996-09-06 1998-10-27 Dravo Lime Company Process for removing SO2 and NOx from a gaseous stream
US5846286A (en) * 1997-03-07 1998-12-08 Dravo Lime Company Method for removing NOx from a gas stream while producing an alkaline earth nitrate fertilizer composition
CA2237744A1 (fr) * 1998-05-14 1999-11-14 Robert Ross Hudgins Catalyseur et procede pour l'oxidation du dioxide de soufre
US6572832B2 (en) * 2001-03-27 2003-06-03 Carmeuse North America Services, Inc. Method of removing sulfur dioxide from a gaseous stream in a wet scrubbing unit
US20120028200A1 (en) * 2009-10-20 2012-02-02 James Kenneth Hicks Burnout of residual carbon in coal fly ash using air cyclones
US8968450B1 (en) 2014-06-17 2015-03-03 Adam Hepburn Wet scrubber design
CN104226088A (zh) * 2014-09-12 2014-12-24 中国华能集团清洁能源技术研究院有限公司 一种火电厂烟气超低温超净排放系统及方法
WO2019232195A1 (fr) 2018-05-30 2019-12-05 Chemtreat, Inc. Système de désulfuration de gaz de combustion et procédé pour effectuer une désulfuration de gaz de combustion
US11512036B2 (en) 2019-08-22 2022-11-29 Innovator Energy, LLC Process for the production of metal oxides or citric acid
DE102019133916B4 (de) * 2019-12-11 2021-07-01 Accurec Recycling GmbH Anlage und Verfahren zum Reinigen von bei einer Aufbereitung von elektro-chemischen Energiespeichern entstehenden Prozessgasen
WO2022241219A1 (fr) * 2021-05-13 2022-11-17 Innovator Energy Llc Procédés de production d'hydroxydes alcalins, de carbonates alcalins, de bicarbonates alcalins et/ou de sulfates alcalino-terreux

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1077243A (en) * 1911-11-13 1913-10-28 Judson A De Cew Process of recovering escaping acid-gases from sulfite-towers.
US2113198A (en) * 1934-02-05 1938-04-05 Ici Ltd Wet purification of gases
US2090143A (en) * 1934-03-10 1937-08-17 Ici Ltd Gas washing
US3520649A (en) * 1967-09-28 1970-07-14 James P Tomany System for removal of so2 and fly ash from power plant flue gases
US3615199A (en) * 1967-11-09 1971-10-26 Wellman Lord Inc Process and apparatus for purifying gas
US3632305A (en) * 1968-12-16 1972-01-04 Universal Oil Prod Co Process for decontaminating a flue gas system
US3632306A (en) * 1969-02-18 1972-01-04 Chemical Construction Corp Removal of sulfur dioxide from waste gases
US3758668A (en) * 1970-08-11 1973-09-11 Babcock & Wilcox Co So2 absorption system with regeneration of absorbent
US4014978A (en) * 1970-08-24 1977-03-29 Combustion Engineering, Inc. Air pollution control system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295908A2 (fr) * 1987-06-17 1988-12-21 Bechtel Group Incorporated Désulfurisation de gaz fumé
EP0295908A3 (en) * 1987-06-17 1990-11-22 Bechtel Group Incorporated Flue gas desulfurization
EP0339683A2 (fr) * 1988-04-29 1989-11-02 Dravo Lime Company Procédé de désulfurisation d'un courant de gaz contenant du dioxyde de soufre
EP0339683A3 (en) * 1988-04-29 1990-11-22 Dravo Lime Co Process for desulphurisation of a sulphur dioxide-containing gas stream

Also Published As

Publication number Publication date
US3919394A (en) 1975-11-11
DE2421423A1 (de) 1974-12-05
FR2263810B2 (fr) 1980-04-30
DE2509692B2 (de) 1978-02-02
US3914378A (en) 1975-10-21
BE826527R (fr) 1975-06-30
DE2421423C2 (de) 1982-11-25
BE814641A (fr) 1974-09-02
FR2229450B1 (fr) 1979-04-06
DE2509692C3 (de) 1978-09-28
GB1457028A (en) 1976-12-01
NL7502910A (nl) 1975-09-16
CA1048231A (fr) 1979-02-13
FR2263810A2 (fr) 1975-10-10
US3907970A (en) 1975-09-23
GB1480034A (en) 1977-07-20
DE2509692A1 (de) 1975-09-25
NL7406132A (fr) 1974-11-18
CA1043984A (fr) 1978-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse