RO65627A - Procedeu de obtinere a so2 din solutii reziduale de acid sulfuric - Google Patents
Procedeu de obtinere a so2 din solutii reziduale de acid sulfuricInfo
- Publication number
- RO65627A RO65627A RO7479639A RO7963974A RO65627A RO 65627 A RO65627 A RO 65627A RO 7479639 A RO7479639 A RO 7479639A RO 7963974 A RO7963974 A RO 7963974A RO 65627 A RO65627 A RO 65627A
- Authority
- RO
- Romania
- Prior art keywords
- obtaining
- sulfuric acid
- acid solutions
- solid sulfuric
- solid
- 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
- C01B17/48—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Manufacture And Refinement Of Metals (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 |
---|---|---|---|
DE19732339859 DE2339859A1 (de) | 1973-08-07 | 1973-08-07 | Verfahren zur aufarbeitung waessriger abfallschwefelsaeure |
Publications (1)
Publication Number | Publication Date |
---|---|
RO65627A true RO65627A (ro) | 1980-06-15 |
Family
ID=5889065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7479639A RO65627A (ro) | 1973-08-07 | 1974-08-01 | Procedeu de obtinere a so2 din solutii reziduale de acid sulfuric |
Country Status (11)
Country | Link |
---|---|
BE (1) | BE818560A (xx) |
DE (1) | DE2339859A1 (xx) |
ES (1) | ES427151A1 (xx) |
FI (1) | FI201274A (xx) |
FR (1) | FR2240182A1 (xx) |
GB (1) | GB1443878A (xx) |
IT (1) | IT1017857B (xx) |
NL (1) | NL7407475A (xx) |
NO (1) | NO741780L (xx) |
RO (1) | RO65627A (xx) |
ZA (1) | ZA744248B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2710978A1 (de) * | 1977-03-12 | 1978-09-21 | Metallgesellschaft Ag | Verfahren zur thermischen spaltung von ueberwiegend eisensulfat enthaltenden salzen |
CH677933A5 (xx) * | 1989-04-07 | 1991-07-15 | Escher Wyss Ag | |
DE4403840C2 (de) * | 1994-02-08 | 1997-12-04 | Bayer Ag | Verfahren zur Rückgewinnung von Schwefelsäure aus metallsulfathaltigen Gebrauchtsäuren |
AU709404B2 (en) * | 1995-07-24 | 1999-08-26 | Kerr-Mcgee Pigments Gmbh & Co. Kg | Process for the recovery of sulphuric acid from spent acids containing metal sulphates |
FI103517B1 (fi) * | 1997-12-09 | 1999-07-15 | Outokumpu Oy | Menetelmä pesuhapon termiseksi hajottamiseksi |
DE10055343A1 (de) * | 2000-11-08 | 2002-05-29 | Messer Griesheim Gmbh | Verfahren zum Herstellen von SO2 aus H2S-haltigem Gas |
DE10155811C1 (de) * | 2001-11-13 | 2002-11-21 | Messer Griesheim Gmbh | Verfahren zur Leistungssteigerung bei der exothermen Verbrennung von Abfallstoff |
-
1973
- 1973-08-07 DE DE19732339859 patent/DE2339859A1/de active Pending
-
1974
- 1974-05-15 NO NO741780A patent/NO741780L/no unknown
- 1974-05-27 FR FR7418251A patent/FR2240182A1/fr not_active Withdrawn
- 1974-06-04 NL NL7407475A patent/NL7407475A/xx not_active Application Discontinuation
- 1974-06-10 ES ES427151A patent/ES427151A1/es not_active Expired
- 1974-07-01 FI FI2012/74A patent/FI201274A/fi unknown
- 1974-07-02 ZA ZA00744248A patent/ZA744248B/xx unknown
- 1974-07-05 GB GB3003574A patent/GB1443878A/en not_active Expired
- 1974-08-01 RO RO7479639A patent/RO65627A/ro unknown
- 1974-08-02 IT IT25921/74A patent/IT1017857B/it active
- 1974-08-06 BE BE6044709A patent/BE818560A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES427151A1 (es) | 1976-07-16 |
BE818560A (fr) | 1975-02-06 |
FI201274A (xx) | 1975-02-08 |
ZA744248B (en) | 1975-06-25 |
NO741780L (xx) | 1975-03-03 |
AU7137174A (en) | 1976-01-22 |
NL7407475A (nl) | 1975-02-11 |
IT1017857B (it) | 1977-08-10 |
FR2240182A1 (xx) | 1975-03-07 |
GB1443878A (en) | 1976-07-28 |
DE2339859A1 (de) | 1975-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RO72485A (ro) | Procedeu de preparare a unui acid p-acilamidoacrilic-beta-substituit | |
RO71360A (ro) | Procedeu de obtinere a unor benzoilureido-difenileteri cu actiune insecticida | |
FR2292688A1 (fr) | Procede de production du methanol | |
JPS51139597A (en) | Manufacturing process for sulfuric acid | |
JPS5241196A (en) | Manufacturing process for sulfuric acid from sulfur dioxide | |
RO65627A (ro) | Procedeu de obtinere a so2 din solutii reziduale de acid sulfuric | |
BE816367A (fr) | Procede de regeneration d'acide sulfurique | |
PH12337A (en) | A method for the purification of sulphuric acid containing mercury | |
DK456077A (da) | Fremgangsmade til fremstilling af nicotinsyre | |
ZA741057B (en) | Process for the catalstical reaction of so2 to so3 | |
JPS5235792A (en) | Manufacturing process for sulfuric acid | |
AU475152B2 (en) | Continuous process for preparing gypsum from waste sulfuric acid | |
BE820667A (fr) | Procede de transformation de sulfite de metal alcalin | |
NL7609923A (nl) | Werkwijze ter bereiding van een zwavelzuurkatalysator. | |
FR2274614A1 (fr) | Procede de production de 5-aroyl-pyrroles | |
FR2286796A1 (fr) | Procede de production de ferri-oxyde g | |
NO150201C (no) | Fremgangsmaate ved rensning av cyanursyre | |
BE848376A (fr) | Procede de preparation d'acide tetrafluoroborique concentre, | |
RO66028A (fr) | Procede pour la preparation du 2-nitrobenzaldehyde | |
RO72711A (ro) | Procedeu de preparare a derivatilor acidului pregnanic | |
NL7605310A (nl) | Werkwijze ter bereiding van zwavelzuur. | |
BE832352A (fr) | Procede de preparation de polyvinylpyrrolidine | |
FR2282433A1 (fr) | Procede de production de composes steroldiques | |
FR2279708A1 (fr) | Procede de preparation de composes du type a-diol-g-dioxo | |
BE826289A (fr) | Procede de production de thioperoxydiphosphates |