NO136708C - Fremgangsm}te for flertrinns katalytisk oksydasjon av svoveldioksyd til svoveltrioksyd - Google Patents
Fremgangsm}te for flertrinns katalytisk oksydasjon av svoveldioksyd til svoveltrioksydInfo
- Publication number
- NO136708C NO136708C NO283572A NO283572A NO136708C NO 136708 C NO136708 C NO 136708C NO 283572 A NO283572 A NO 283572A NO 283572 A NO283572 A NO 283572A NO 136708 C NO136708 C NO 136708C
- Authority
- NO
- Norway
- Prior art keywords
- sulfur
- procedures
- catalytic oxidation
- trioxyde
- step catalytic
- 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
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/765—Multi-stage SO3-conversion
- C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Harvesting Machines For Specific Crops (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7129648A FR2149586A5 (fr) | 1971-08-13 | 1971-08-13 | Perfectionnement a la fabrication de l'acide sulfurique |
Publications (2)
Publication Number | Publication Date |
---|---|
NO136708B NO136708B (it) | 1977-07-18 |
NO136708C true NO136708C (no) | 1977-10-26 |
Family
ID=9081846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO283572A NO136708C (no) | 1971-08-13 | 1972-08-09 | Fremgangsm}te for flertrinns katalytisk oksydasjon av svoveldioksyd til svoveltrioksyd |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS4827998A (it) |
AT (1) | AT325062B (it) |
BE (1) | BE786720A (it) |
BR (1) | BR7205489D0 (it) |
DE (1) | DE2239510C3 (it) |
ES (1) | ES405469A1 (it) |
FI (1) | FI55164C (it) |
FR (1) | FR2149586A5 (it) |
GB (1) | GB1405616A (it) |
IT (1) | IT970822B (it) |
NO (1) | NO136708C (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA727754B (en) * | 1972-11-01 | 1974-06-26 | African Explosives & Chem | Improvements in and relating to the manufacture of sulphuric acid |
JPS50161685A (it) * | 1974-06-19 | 1975-12-27 | ||
JPS52119706A (en) * | 1975-11-28 | 1977-10-07 | Kerou Majin | Method of and device for cooling underground power cable |
CN112320768B (zh) * | 2021-01-04 | 2021-03-30 | 联仕(昆山)化学材料有限公司 | 电子级硫酸的生产方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135400C (it) * | 1964-09-25 | |||
DE1933460C3 (de) * | 1969-07-02 | 1973-11-15 | Metallgesellschaft Ag, 6000 Frankfurt | Vorrichtung zur Zwischenabsorption und zum Wärmeaustausch bei der kataly tischen Umsetzung SO tief 2 haltiger Gase unter Erzeugung von Schwefelsaure |
-
1971
- 1971-08-13 FR FR7129648A patent/FR2149586A5/fr not_active Expired
-
1972
- 1972-07-26 BE BE786720A patent/BE786720A/xx not_active IP Right Cessation
- 1972-07-28 IT IT6947872A patent/IT970822B/it active
- 1972-08-02 FI FI214872A patent/FI55164C/fi active
- 1972-08-03 ES ES405469A patent/ES405469A1/es not_active Expired
- 1972-08-09 NO NO283572A patent/NO136708C/no unknown
- 1972-08-11 BR BR548972A patent/BR7205489D0/pt unknown
- 1972-08-11 DE DE19722239510 patent/DE2239510C3/de not_active Expired
- 1972-08-11 GB GB3763872A patent/GB1405616A/en not_active Expired
- 1972-08-11 AT AT696972A patent/AT325062B/de not_active IP Right Cessation
- 1972-08-12 JP JP8039572A patent/JPS4827998A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
BR7205489D0 (pt) | 1973-06-12 |
IT970822B (it) | 1974-04-20 |
FI55164B (fi) | 1979-02-28 |
FI55164C (fi) | 1979-06-11 |
DE2239510B2 (de) | 1980-07-03 |
ES405469A1 (es) | 1975-09-01 |
FR2149586A5 (fr) | 1973-03-30 |
BE786720A (fr) | 1972-11-16 |
JPS4827998A (it) | 1973-04-13 |
AT325062B (de) | 1975-10-10 |
NO136708B (it) | 1977-07-18 |
DE2239510A1 (de) | 1973-02-22 |
GB1405616A (en) | 1975-09-10 |
DE2239510C3 (de) | 1981-03-19 |
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