IT1030169B - Procedimento per la separazione di un solfato da una soluzione, particolarmente in un ciclo di assorbimento di anidride solforosa da miscele gassose - Google Patents

Procedimento per la separazione di un solfato da una soluzione, particolarmente in un ciclo di assorbimento di anidride solforosa da miscele gassose

Info

Publication number
IT1030169B
IT1030169B IT67412/75A IT6741275A IT1030169B IT 1030169 B IT1030169 B IT 1030169B IT 67412/75 A IT67412/75 A IT 67412/75A IT 6741275 A IT6741275 A IT 6741275A IT 1030169 B IT1030169 B IT 1030169B
Authority
IT
Italy
Prior art keywords
sulfate
absorption
cycle
separation
procedure
Prior art date
Application number
IT67412/75A
Other languages
English (en)
Original Assignee
Davy Powergas Inc
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 Davy Powergas Inc filed Critical Davy Powergas Inc
Application granted granted Critical
Publication of IT1030169B publication Critical patent/IT1030169B/it

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
    • B01D53/501—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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/60—Isolation of sulfur dioxide from gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (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)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
IT67412/75A 1974-02-19 1975-02-18 Procedimento per la separazione di un solfato da una soluzione, particolarmente in un ciclo di assorbimento di anidride solforosa da miscele gassose IT1030169B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/443,326 US3971844A (en) 1974-02-19 1974-02-19 Method for removing sodium sulfate from aqueous solutions

Publications (1)

Publication Number Publication Date
IT1030169B true IT1030169B (it) 1979-03-30

Family

ID=23760353

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67412/75A IT1030169B (it) 1974-02-19 1975-02-18 Procedimento per la separazione di un solfato da una soluzione, particolarmente in un ciclo di assorbimento di anidride solforosa da miscele gassose

Country Status (14)

Country Link
US (1) US3971844A (it)
JP (1) JPS50118987A (it)
AT (1) ATA104375A (it)
AU (1) AU468706B2 (it)
BE (1) BE825584A (it)
BR (1) BR7500977A (it)
DE (1) DE2506666A1 (it)
ES (1) ES434864A1 (it)
FR (1) FR2261223B3 (it)
IT (1) IT1030169B (it)
NL (1) NL7501979A (it)
NO (1) NO750537L (it)
SE (1) SE7501732L (it)
ZA (1) ZA75376B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528454A (en) * 1974-12-13 1978-10-11 Davy Powergas Ltd Sulphur dioxide removal or recovery
ZA766140B (en) * 1975-11-10 1978-05-30 Davy Powergas Inc Process for removing sulfur dioxide from a gas stream
US4206187A (en) * 1975-12-15 1980-06-03 Davy Powergas, Inc. Process for removing sulfur dioxide from gas
US4200619A (en) * 1976-01-08 1980-04-29 Davy Powergas, Inc. Process for purging sodium sulfate from a sulfur dioxide removal system
US4122148A (en) * 1976-04-20 1978-10-24 Davy Powergas Inc. Sulfur dioxide removal process
US4177244A (en) * 1976-07-24 1979-12-04 Ullrich Neumann Process for purge stream treatment in removal of sulfur dioxide
US4425313A (en) 1976-08-16 1984-01-10 Cooper Hal B H Removal and recovery of nitrogen and sulfur oxides from gaseous mixtures containing them
US4426364A (en) 1976-08-16 1984-01-17 Cooper Hal B H Removal and recovery of nitrogen oxides and sulfur dioxide from gaseous mixtures containing them
US4207299A (en) * 1977-02-16 1980-06-10 Davy Powergas, Inc. Sulphur dioxide removal process
US4216189A (en) * 1978-10-10 1980-08-05 Davy Powergas, Inc. Sulfur dioxide removal process
US4237104A (en) * 1979-04-30 1980-12-02 Uop Inc. Flue gas treatment for sulfur dioxide removal
US4250153A (en) * 1979-06-11 1981-02-10 Uop Inc. Flue gas treatment
US4255402A (en) * 1979-08-13 1981-03-10 Lowell Philip S Sulphur dioxide gas scrubbing process
US4708856A (en) * 1986-03-03 1987-11-24 Norton Company Liquid-gas absorption process
US4834959A (en) * 1986-03-10 1989-05-30 The Dow Chemical Company Process for selectively removing sulfur dioxide
JP4968582B2 (ja) * 2006-12-11 2012-07-04 住友金属鉱山株式会社 重亜硫酸ソーダ液の製造方法
US7985396B2 (en) * 2008-07-11 2011-07-26 Solvay Chemicals, Inc. Process for production of sodium bisulfite
CN115159469A (zh) * 2022-06-29 2022-10-11 江苏德义通环保科技有限公司 一种从废液中回收不同浓度so2气体的装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394646A (en) * 1931-01-27 1933-06-29 Metallgesellschaft Ag Process for the production of alkali sulphates and sulphur
US3607037A (en) * 1968-12-20 1971-09-21 Wellman Lord Inc Separation of sulfur dioxide from gases
US3607033A (en) * 1969-01-27 1971-09-21 Chemical Construction Corp Recovery of sulfur dioxide from waste gas streams
US3653812A (en) * 1969-07-18 1972-04-04 Wellman Lord Inc Process for removal of sulfur dioxide from gas streams
US3650692A (en) * 1969-12-09 1972-03-21 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
US3826812A (en) * 1971-10-22 1974-07-30 Basic Inc Treatment of flue gases and the like
US3775532A (en) * 1972-02-18 1973-11-27 Chemical Construction Corp Removal of sulfur dioxide from gas streams

Also Published As

Publication number Publication date
FR2261223A1 (it) 1975-09-12
SE7501732L (it) 1975-08-20
NL7501979A (nl) 1975-08-21
US3971844A (en) 1976-07-27
ATA104375A (de) 1976-11-15
DE2506666A1 (de) 1975-10-09
AU468706B2 (en) 1976-01-22
ZA75376B (en) 1976-01-28
BR7500977A (pt) 1975-12-02
FR2261223B3 (it) 1977-10-28
AU7830375A (en) 1976-01-22
ES434864A1 (es) 1976-12-01
JPS50118987A (it) 1975-09-18
NO750537L (it) 1975-08-20
BE825584A (fr) 1975-05-29

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