CA1266959A - Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same - Google Patents

Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same

Info

Publication number
CA1266959A
CA1266959A CA000489530A CA489530A CA1266959A CA 1266959 A CA1266959 A CA 1266959A CA 000489530 A CA000489530 A CA 000489530A CA 489530 A CA489530 A CA 489530A CA 1266959 A CA1266959 A CA 1266959A
Authority
CA
Canada
Prior art keywords
calcium
particles
gas stream
reactor
sulphide
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 - Fee Related
Application number
CA000489530A
Other languages
English (en)
French (fr)
Inventor
Yoshio Kobayashi
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 Zosen Corp
Original Assignee
Hitachi Zosen 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
Priority claimed from JP59183578A external-priority patent/JPH0244767B2/ja
Priority claimed from JP59183579A external-priority patent/JPS6161615A/ja
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Application granted granted Critical
Publication of CA1266959A publication Critical patent/CA1266959A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
    • C01B17/44—Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates
    • 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
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/16—Hydrogen sulfides
    • C01B17/164—Preparation by reduction of oxidic sulfur compounds
    • 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
    • C01F11/18—Carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)
CA000489530A 1984-08-31 1985-08-28 Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same Expired - Fee Related CA1266959A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59-183578 1984-08-31
JP59-183579 1984-08-31
JP59183578A JPH0244767B2 (ja) 1984-08-31 1984-08-31 Setsukonoshorihoho
JP59183579A JPS6161615A (ja) 1984-08-31 1984-08-31 乾式石灰法による再生式排煙脱硫方法

Publications (1)

Publication Number Publication Date
CA1266959A true CA1266959A (en) 1990-03-27

Family

ID=26501957

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000489530A Expired - Fee Related CA1266959A (en) 1984-08-31 1985-08-28 Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same

Country Status (4)

Country Link
CA (1) CA1266959A (pl)
DE (1) DE3530421A1 (pl)
FR (1) FR2569679B1 (pl)
GB (1) GB2163739B (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1141168C (zh) * 1998-04-01 2004-03-10 富兰克林·S·查默斯 处理由烟道气脱硫或其它来源产生的含硫物质的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1420350A (fr) * 1964-01-15 1965-12-03 Perfectionnements apportés aux procédés pour désulfurer des gaz
GB1241575A (en) * 1967-08-23 1971-08-04 Elcor Chem Corp Process for converting gypsum to calcium sulphide and apparatus therefor
US3574530A (en) * 1967-10-02 1971-04-13 Pullman Inc Method of removing sulfur dioxide from waste gases
BR8300949A (pt) * 1983-01-13 1984-10-02 Fundacao Inst Tecnologico Do E Processo para obtencao de enxofre e carbonato de calcio a partir de gipsita

Also Published As

Publication number Publication date
DE3530421A1 (de) 1986-03-13
GB8520975D0 (en) 1985-09-25
FR2569679B1 (fr) 1988-10-14
DE3530421C2 (pl) 1991-02-14
FR2569679A1 (fr) 1986-03-07
GB2163739B (en) 1988-05-18
GB2163739A (en) 1986-03-05

Similar Documents

Publication Publication Date Title
CA1105678A (en) Sequential removal of sulfur oxides from hot gases
CA1236266A (en) Process of removing polluants from exhaust gases
US3533748A (en) Removal of sulfur oxides from waste gases
US4442080A (en) Fluid bed SOX/NOX process--"hydrated calcine absorption"
US5458659A (en) Desulfurization of carbonaceous fuels
JPS60232233A (ja) 煙道ガス脱硫吸收剤の酸化方法、及びこれによつて得た生成物
HU210828B (en) Method and apparatus for removing gaseous sulfur dioxide compounds from flu-gases from surface burning sulfur containing fuels
US3784680A (en) Cyclical process for recovery of elemental sulfur from waste gases
JPH03504100A (ja) ガス清浄化法
US4595576A (en) Process for flue gas desulfurization
US4848995A (en) Removal of sulfur oxides from flue gas
PL148176B1 (en) Method of removing gaseous sulfur compounds,in particular sulfur dioxide,from furnace combustion gases
JPH0833826A (ja) 石炭火力発電プラントのボイラ燃焼排ガス処理法と装置
EP0128698B1 (en) Process and reactor for desulfurization of hot waste gas
CA1211273A (en) Flowing melt layer process for production of sulfides
CA1266959A (en) Treatment of solids containing calcium salt of sulfuric oxyacid and method of purifying exhaust gas utilizing same
JPH11165030A (ja) 排ガス中の硫酸及び無水硫酸の除去方法
WO1988006484A1 (en) A method for absorbing gaseous components from acidifying flue gases
HU202423B (en) Method for removing gaseous sulfur compounds from flue gas of boilers
JPH0246846B2 (pl)
EP1076595B1 (en) A method of producing so2 sorbent and thereafter utilizing such so2 sorbent to desulfurize combustion gases
WO1994021965A1 (en) Recycling processes using fly ash
WO1993002774A1 (en) Process of producing calcium hydroxide for fluidized bed absorption
CA1046734A (en) Apparatus and method for removing sulfur from sulfur-bearing gases
EP1076594B1 (en) A method of producing so2 sorbent that is suitable for use to desulfurize combustion gases

Legal Events

Date Code Title Description
MKLA Lapsed