SE403096B - Sett att rena en med ettiksyra och klorvete fororenad utspedd svavelsyra - Google Patents
Sett att rena en med ettiksyra och klorvete fororenad utspedd svavelsyraInfo
- Publication number
- SE403096B SE403096B SE7602714A SE7602714A SE403096B SE 403096 B SE403096 B SE 403096B SE 7602714 A SE7602714 A SE 7602714A SE 7602714 A SE7602714 A SE 7602714A SE 403096 B SE403096 B SE 403096B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- polluted
- clean
- way
- ethic
- Prior art date
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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752526241 DE2526241C3 (de) | 1975-06-12 | Verfahren zur Reinigung von essigsäurehaltiger Schwefelsäure |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7602714L SE7602714L (sv) | 1976-12-13 |
SE403096B true SE403096B (sv) | 1978-07-31 |
Family
ID=5948908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7602714A SE403096B (sv) | 1975-06-12 | 1976-02-27 | Sett att rena en med ettiksyra och klorvete fororenad utspedd svavelsyra |
Country Status (10)
Country | Link |
---|---|
US (1) | US4045295A (sv) |
JP (1) | JPS5912604B2 (sv) |
BE (1) | BE842840A (sv) |
CA (1) | CA1060632A (sv) |
CH (1) | CH599047A5 (sv) |
FR (1) | FR2314140A1 (sv) |
GB (1) | GB1491993A (sv) |
IT (1) | IT1061342B (sv) |
NL (1) | NL182303C (sv) |
SE (1) | SE403096B (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4980032A (en) * | 1988-08-12 | 1990-12-25 | Alameda Instruments, Inc. | Distillation method and apparatus for reprocessing sulfuric acid |
US4936955A (en) * | 1988-08-12 | 1990-06-26 | Alameda Instruments, Inc. | Hydrofluoric acid reprocessing for semiconductor standards |
US5061348A (en) * | 1988-08-12 | 1991-10-29 | Alameda Instruments | Sulfuric acid reprocessor with continuous purge of second distillation vessel |
SE464299B (sv) * | 1988-11-16 | 1991-04-08 | Boliden Contech Ab | Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden |
JPH0524307U (ja) * | 1991-09-04 | 1993-03-30 | リヨービ株式会社 | 自動カンナ盤 |
US5393503A (en) * | 1991-09-09 | 1995-02-28 | Occidental Chemical Corporation | Process for making chromic acid |
KR100861321B1 (ko) | 2007-06-14 | 2008-10-01 | 한국원자력연구원 | 원자력 수소 생산용 황산 농축 방법 및 황산 농축장치 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635664A (en) * | 1969-08-20 | 1972-01-18 | Daido Chem Eng Corp | REGENERATION OF HYDROCHLORIC ACID PICKLING WASTE BY H{11 SO{11 {0 ADDITION, DISTILLATION AND FeSO{11 {0 Precipitation |
-
1976
- 1976-02-27 SE SE7602714A patent/SE403096B/sv not_active IP Right Cessation
- 1976-05-12 CH CH596476A patent/CH599047A5/xx not_active IP Right Cessation
- 1976-05-17 GB GB20263/76A patent/GB1491993A/en not_active Expired
- 1976-05-25 CA CA253,227A patent/CA1060632A/en not_active Expired
- 1976-06-02 JP JP51064446A patent/JPS5912604B2/ja not_active Expired
- 1976-06-09 NL NLAANVRAGE7606230,A patent/NL182303C/xx not_active IP Right Cessation
- 1976-06-10 US US05/694,664 patent/US4045295A/en not_active Expired - Lifetime
- 1976-06-10 IT IT49879/76A patent/IT1061342B/it active
- 1976-06-11 BE BE167827A patent/BE842840A/xx not_active IP Right Cessation
- 1976-06-11 FR FR7617838A patent/FR2314140A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
NL182303C (nl) | 1988-02-16 |
JPS51151294A (en) | 1976-12-25 |
SE7602714L (sv) | 1976-12-13 |
JPS5912604B2 (ja) | 1984-03-24 |
IT1061342B (it) | 1983-02-28 |
CA1060632A (en) | 1979-08-21 |
DE2526241B2 (de) | 1977-06-23 |
BE842840A (fr) | 1976-12-13 |
FR2314140B1 (sv) | 1980-10-31 |
FR2314140A1 (fr) | 1977-01-07 |
DE2526241A1 (de) | 1976-12-16 |
GB1491993A (en) | 1977-11-16 |
CH599047A5 (sv) | 1978-05-12 |
US4045295A (en) | 1977-08-30 |
NL182303B (nl) | 1987-09-16 |
NL7606230A (nl) | 1976-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE440149B (sv) | Sett att sammankoppla biologiska substanser med bensokinon | |
SE7611646L (sv) | Grundmassa och sett att framstella densamma | |
SE432247B (sv) | Sett att framstella dihydro-cyklosporin c | |
SE7602339L (sv) | Kinolonderivat och sett att framstella desamma | |
SE7606414L (sv) | Glasflaska med skyddsholje och sett att framstella den | |
SE424181B (sv) | Sett att framstella kulformiga aliminiumoxid- innehallande partiklar | |
SE7607240L (sv) | Sett att framstella pyrrolettiksyraforeningar | |
SE7606265L (sv) | Panel och sett att framstella densamma | |
SE7811573L (sv) | Elektrod och sett att framstella denna | |
SE420728B (sv) | Sett att framstella piperazinyliminorifamyciner | |
SE425736B (sv) | Sett att framstella kromanon-(4) | |
SE7512259L (sv) | Skumdemparkomposition samt sett att framstella densamma | |
SE7701332L (sv) | Sett att behandla glasytor | |
SE433919B (sv) | Sett vid bagsvetsning | |
SE7708841L (sv) | Sett att framstella rifamycinforeningar | |
SE427212B (sv) | Kulled och sett att framstella densamma | |
SE403096B (sv) | Sett att rena en med ettiksyra och klorvete fororenad utspedd svavelsyra | |
SE424991B (sv) | Sett att framstella nya 5-fenyl-oxazolidinoner | |
SE7609269L (sv) | Sett att framstella polymerblandningar | |
SE7713868L (sv) | Sett att framstella tegel | |
SE7614107L (sv) | Depa-steroidestrar och sett att framstella desamma | |
SE7608887L (sv) | Foreningar av cefalosporin-typ och sett att framstella desamma | |
SE7601927L (sv) | Nya isocyanater och sett att framstella dessa | |
SE7601932L (sv) | Ymppolymerisat och sett att framstella desamma | |
SE7607148L (sv) | Nya xantensyraderivat och sett att framstella desamma |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7602714-3 Effective date: 19900131 Format of ref document f/p: F |