JPS5377889A - Preventing method for formation of gypsum scale in flue gas desulfurizationtreatment - Google Patents

Preventing method for formation of gypsum scale in flue gas desulfurizationtreatment

Info

Publication number
JPS5377889A
JPS5377889A JP9666477A JP9666477A JPS5377889A JP S5377889 A JPS5377889 A JP S5377889A JP 9666477 A JP9666477 A JP 9666477A JP 9666477 A JP9666477 A JP 9666477A JP S5377889 A JPS5377889 A JP S5377889A
Authority
JP
Japan
Prior art keywords
formation
desulfurizationtreatment
flue gas
preventing method
gypsum scale
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.)
Pending
Application number
JP9666477A
Other languages
Japanese (ja)
Inventor
Isao Furuta
Akira Uragami
Toyohiko Masuda
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of JPS5377889A publication Critical patent/JPS5377889A/en
Pending 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To prevent formation of hard scale of gypsum and thus eliminate troubles such as clogging of piping and a decrease in SO2 absorption efficiency by adding a specified amt. of CaCl2 to less than 0.1% absorbing soln. of Ca(OH)2.
COPYRIGHT: (C)1978,JPO&Japio
JP9666477A 1976-12-21 1977-08-11 Preventing method for formation of gypsum scale in flue gas desulfurizationtreatment Pending JPS5377889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762657970 DE2657970A1 (en) 1976-12-21 1976-12-21 Sulphur dioxide removal from gases - by absorbing in soln. contg. a metal halide and hydroxide

Publications (1)

Publication Number Publication Date
JPS5377889A true JPS5377889A (en) 1978-07-10

Family

ID=5996143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9666477A Pending JPS5377889A (en) 1976-12-21 1977-08-11 Preventing method for formation of gypsum scale in flue gas desulfurizationtreatment

Country Status (2)

Country Link
JP (1) JPS5377889A (en)
DE (1) DE2657970A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165130A (en) * 1979-06-12 1980-12-23 Kobe Steel Ltd Desulfurizing method for exhaust gas by wet type lime-gypsum process
JPS55165129A (en) * 1979-06-08 1980-12-23 Kobe Steel Ltd Desulfurizing method for exhaust gas by wet type lime-gypsum process
JPS5637028A (en) * 1979-08-30 1981-04-10 Kobe Steel Ltd Desulfurizing method of exhaust gas
JPS5745326A (en) * 1980-09-01 1982-03-15 Kobe Steel Ltd Waste gas desulfurization method by lime gypsum method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493874A (en) * 1972-05-04 1974-01-14
JPS5015784A (en) * 1973-05-10 1975-02-19

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493874A (en) * 1972-05-04 1974-01-14
JPS5015784A (en) * 1973-05-10 1975-02-19

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165129A (en) * 1979-06-08 1980-12-23 Kobe Steel Ltd Desulfurizing method for exhaust gas by wet type lime-gypsum process
JPS55165130A (en) * 1979-06-12 1980-12-23 Kobe Steel Ltd Desulfurizing method for exhaust gas by wet type lime-gypsum process
JPS5950371B2 (en) * 1979-06-12 1984-12-07 株式会社神戸製鋼所 Flue gas desulfurization method using wet lime plaster method
JPS5637028A (en) * 1979-08-30 1981-04-10 Kobe Steel Ltd Desulfurizing method of exhaust gas
JPS6335295B2 (en) * 1979-08-30 1988-07-14 Kobe Steel Ltd
JPS5745326A (en) * 1980-09-01 1982-03-15 Kobe Steel Ltd Waste gas desulfurization method by lime gypsum method

Also Published As

Publication number Publication date
DE2657970A1 (en) 1978-06-29
DE2657970C2 (en) 1987-09-24

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