NL6904401A - - Google Patents
Info
- Publication number
- NL6904401A NL6904401A NL6904401A NL6904401A NL6904401A NL 6904401 A NL6904401 A NL 6904401A NL 6904401 A NL6904401 A NL 6904401A NL 6904401 A NL6904401 A NL 6904401A NL 6904401 A NL6904401 A NL 6904401A
- Authority
- NL
- Netherlands
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)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71508468A | 1968-03-21 | 1968-03-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL6904401A true NL6904401A (https=) | 1969-09-23 |
| NL165996B NL165996B (nl) | 1981-01-15 |
| NL165996C NL165996C (nl) | 1981-06-15 |
Family
ID=24872617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6904401.A NL165996C (nl) | 1968-03-21 | 1969-03-21 | Werkwijze voor het bereiden van zwavelzuur. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3620673A (https=) |
| JP (1) | JPS5437117B1 (https=) |
| BE (1) | BE730198A (https=) |
| CA (1) | CA926581A (https=) |
| DE (1) | DE1913542C3 (https=) |
| FR (1) | FR2004409A1 (https=) |
| GB (1) | GB1227092A (https=) |
| MY (1) | MY7400185A (https=) |
| NL (1) | NL165996C (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2824010A1 (de) * | 1978-06-01 | 1979-12-13 | Metallgesellschaft Ag | Verfahren zur aufkonzentrierung von verduennter phosphorsaeure |
| PL165401B1 (pl) * | 1990-12-03 | 1994-12-30 | Inst Chemii Nieorganicznej | Sposób wytwarzania kwasu siarkowego PL |
| BG61107B1 (bg) * | 1994-08-29 | 1996-11-29 | Институт По Инженерна Химия При Бан | Метод за получаване на серен триокис |
| FR3112536B1 (fr) * | 2020-07-16 | 2022-11-25 | Ocp Sa | Procédé et installation de fabrication d’acide sulfurique |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB226518A (en) * | 1923-12-21 | 1926-05-03 | Gen Chemical Corp | Improvements in or relating to the manufacture of sulphuric acid by the contact process |
| US1809114A (en) * | 1924-11-24 | 1931-06-09 | Gen Chemical Corp | Process and apparatus for catalytic reactions |
| BE639993A (https=) * | 1963-06-22 | |||
| NL135400C (https=) * | 1964-09-25 | |||
| NL136387C (https=) * | 1964-11-06 | |||
| US3350169A (en) * | 1965-10-21 | 1967-10-31 | Chemical Construction Corp | Production of sulfuric acid |
-
1968
- 1968-03-21 US US715084A patent/US3620673A/en not_active Expired - Lifetime
- 1968-07-04 JP JP4624468A patent/JPS5437117B1/ja active Pending
-
1969
- 1969-02-22 CA CA043704A patent/CA926581A/en not_active Expired
- 1969-03-18 DE DE1913542A patent/DE1913542C3/de not_active Expired
- 1969-03-20 GB GB1227092D patent/GB1227092A/en not_active Expired
- 1969-03-20 FR FR6908091A patent/FR2004409A1/fr not_active Withdrawn
- 1969-03-20 BE BE730198D patent/BE730198A/xx not_active IP Right Cessation
- 1969-03-21 NL NL6904401.A patent/NL165996C/xx not_active IP Right Cessation
-
1974
- 1974-12-30 MY MY185/74A patent/MY7400185A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE730198A (https=) | 1969-09-01 |
| NL165996C (nl) | 1981-06-15 |
| DE1913542A1 (de) | 1969-10-09 |
| DE1913542C3 (de) | 1986-08-21 |
| NL165996B (nl) | 1981-01-15 |
| FR2004409A1 (https=) | 1969-11-21 |
| MY7400185A (en) | 1974-12-31 |
| GB1227092A (https=) | 1971-03-31 |
| DE1913542B2 (de) | 1977-02-10 |
| JPS5437117B1 (https=) | 1979-11-13 |
| CA926581A (en) | 1973-05-22 |
| US3620673A (en) | 1971-11-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |