BR7016687D0 - Aperfeicoamento em processo para a recuperacao de dioxido de enxofre obtido de escorias ou refugos de acido sulfurico - Google Patents
Aperfeicoamento em processo para a recuperacao de dioxido de enxofre obtido de escorias ou refugos de acido sulfuricoInfo
- Publication number
- BR7016687D0 BR7016687D0 BR216687/70A BR21668770A BR7016687D0 BR 7016687 D0 BR7016687 D0 BR 7016687D0 BR 216687/70 A BR216687/70 A BR 216687/70A BR 21668770 A BR21668770 A BR 21668770A BR 7016687 D0 BR7016687 D0 BR 7016687D0
- Authority
- BR
- Brazil
- Prior art keywords
- refuge
- slopes
- recovery
- improvement
- sulfuric acid
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title 2
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
-
- 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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79836269A | 1969-02-11 | 1969-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7016687D0 true BR7016687D0 (pt) | 1973-01-23 |
Family
ID=25173195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR216687/70A BR7016687D0 (pt) | 1969-02-11 | 1970-02-11 | Aperfeicoamento em processo para a recuperacao de dioxido de enxofre obtido de escorias ou refugos de acido sulfurico |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE745758A (xx) |
BR (1) | BR7016687D0 (xx) |
CA (1) | CA933724A (xx) |
DE (1) | DE2005905A1 (xx) |
FR (1) | FR2032846A5 (xx) |
GB (1) | GB1288851A (xx) |
NL (1) | NL7001861A (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3361970D1 (en) * | 1982-04-14 | 1986-03-13 | Allied Corp | Thermal decomposition of waste sulfuric acid |
GB8610856D0 (en) * | 1986-05-02 | 1986-06-11 | Boc Group Plc | Treatment of waste material |
GB2190909B (en) * | 1986-05-02 | 1990-05-02 | Boc Group Plc | Treatment of waste material |
DK98191A (da) * | 1991-05-24 | 1992-11-25 | Haldor Topsoe As | Fremgangsmaade til regenerering af uren svovlsyre |
US5628976A (en) * | 1995-10-17 | 1997-05-13 | Air Products And Chemicals | Cofiring biosolids in a spent sulfuric acid regeneration facility |
CN109562939B (zh) | 2016-07-21 | 2022-12-06 | 托普索公司 | 用于生产三氧化硫的方法 |
-
1970
- 1970-02-09 GB GB1288851D patent/GB1288851A/en not_active Expired
- 1970-02-10 CA CA074440A patent/CA933724A/en not_active Expired
- 1970-02-10 DE DE19702005905 patent/DE2005905A1/de active Pending
- 1970-02-10 NL NL7001861A patent/NL7001861A/xx unknown
- 1970-02-10 BE BE745758D patent/BE745758A/xx unknown
- 1970-02-10 FR FR7004679A patent/FR2032846A5/fr not_active Expired
- 1970-02-11 BR BR216687/70A patent/BR7016687D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2005905A1 (de) | 1970-09-03 |
FR2032846A5 (xx) | 1970-11-27 |
BE745758A (fr) | 1970-08-10 |
GB1288851A (xx) | 1972-09-13 |
CA933724A (en) | 1973-09-18 |
NL7001861A (xx) | 1970-08-13 |
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