BR7500977A - Aperfeicoamento em processo para o tratamento de purgador contendo sulfato procedente de processo de recuperacao de so2 e aperfeicoamento em processo para recuperar so2 - Google Patents
Aperfeicoamento em processo para o tratamento de purgador contendo sulfato procedente de processo de recuperacao de so2 e aperfeicoamento em processo para recuperar so2Info
- Publication number
- BR7500977A BR7500977A BR977/75A BR7500977A BR7500977A BR 7500977 A BR7500977 A BR 7500977A BR 977/75 A BR977/75 A BR 977/75A BR 7500977 A BR7500977 A BR 7500977A BR 7500977 A BR7500977 A BR 7500977A
- Authority
- BR
- Brazil
- Prior art keywords
- improvement
- purgator
- recover
- treatment
- containing sulfate
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
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)
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 |
|---|---|
| BR7500977A true BR7500977A (pt) | 1975-12-02 |
Family
ID=23760353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR977/75A BR7500977A (pt) | 1974-02-19 | 1975-02-18 | Aperfeicoamento em processo para o tratamento de purgador contendo sulfato procedente de processo de recuperacao de so2 e aperfeicoamento em processo para recuperar so2 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3971844A (pt) |
| JP (1) | JPS50118987A (pt) |
| AT (1) | ATA104375A (pt) |
| AU (1) | AU468706B2 (pt) |
| BE (1) | BE825584A (pt) |
| BR (1) | BR7500977A (pt) |
| DE (1) | DE2506666A1 (pt) |
| ES (1) | ES434864A1 (pt) |
| FR (1) | FR2261223B3 (pt) |
| IT (1) | IT1030169B (pt) |
| NL (1) | NL7501979A (pt) |
| NO (1) | NO750537L (pt) |
| SE (1) | SE7501732L (pt) |
| ZA (1) | ZA75376B (pt) |
Families Citing this family (18)
| 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 |
| CN115159469B (zh) * | 2022-06-29 | 2024-08-09 | 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)
| 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 |
-
1974
- 1974-02-19 US US05/443,326 patent/US3971844A/en not_active Expired - Lifetime
-
1975
- 1975-01-20 ZA ZA00750376A patent/ZA75376B/xx unknown
- 1975-02-12 AT AT751043A patent/ATA104375A/de not_active Application Discontinuation
- 1975-02-13 FR FR7504561A patent/FR2261223B3/fr not_active Expired
- 1975-02-14 BE BE153409A patent/BE825584A/xx unknown
- 1975-02-17 DE DE19752506666 patent/DE2506666A1/de active Pending
- 1975-02-17 SE SE7501732A patent/SE7501732L/xx unknown
- 1975-02-18 AU AU78303/75A patent/AU468706B2/en not_active Expired
- 1975-02-18 NO NO750537A patent/NO750537L/no unknown
- 1975-02-18 BR BR977/75A patent/BR7500977A/pt unknown
- 1975-02-18 JP JP50020295A patent/JPS50118987A/ja active Pending
- 1975-02-18 IT IT67412/75A patent/IT1030169B/it active
- 1975-02-19 NL NL7501979A patent/NL7501979A/xx unknown
- 1975-02-19 ES ES434864A patent/ES434864A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2261223B3 (pt) | 1977-10-28 |
| US3971844A (en) | 1976-07-27 |
| ZA75376B (en) | 1976-01-28 |
| SE7501732L (pt) | 1975-08-20 |
| DE2506666A1 (de) | 1975-10-09 |
| NL7501979A (nl) | 1975-08-21 |
| BE825584A (fr) | 1975-05-29 |
| FR2261223A1 (pt) | 1975-09-12 |
| IT1030169B (it) | 1979-03-30 |
| ATA104375A (de) | 1976-11-15 |
| ES434864A1 (es) | 1976-12-01 |
| AU468706B2 (en) | 1976-01-22 |
| AU7830375A (en) | 1976-01-22 |
| NO750537L (pt) | 1975-08-20 |
| JPS50118987A (pt) | 1975-09-18 |
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