NL7306257A - - Google Patents
Info
- Publication number
- NL7306257A NL7306257A NL7306257A NL7306257A NL7306257A NL 7306257 A NL7306257 A NL 7306257A NL 7306257 A NL7306257 A NL 7306257A NL 7306257 A NL7306257 A NL 7306257A NL 7306257 A NL7306257 A NL 7306257A
- 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
-
- 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)
- Chimneys And Flues (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2223131A DE2223131C3 (de) | 1972-05-12 | 1972-05-12 | Verfahren zur Herstellung von Schwefelsäure aus Schwefel und Sauerstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7306257A true NL7306257A (en:Method) | 1973-11-14 |
Family
ID=5844699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7306257A NL7306257A (en:Method) | 1972-05-12 | 1973-05-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3907979A (en:Method) |
| JP (1) | JPS4948596A (en:Method) |
| DE (1) | DE2223131C3 (en:Method) |
| GB (1) | GB1431188A (en:Method) |
| NL (1) | NL7306257A (en:Method) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50160598A (en:Method) * | 1974-06-19 | 1975-12-25 | ||
| US4046866A (en) * | 1975-04-24 | 1977-09-06 | Stauffer Chemical Company | Production of liquid sulfur trioxide |
| DE2725432C3 (de) * | 1977-06-04 | 1980-02-21 | Davy International Ag, 6000 Frankfurt | Verfahren zur Herstellung von konzentrierter Schwefelsäure |
| SE422317B (sv) * | 1980-06-19 | 1982-03-01 | Boliden Ab | Forfarande for framstellning av svavelsyra ur svaveldioxid innehallande gas |
| US4490347A (en) * | 1983-02-07 | 1984-12-25 | E. I. Du Pont De Nemours And Company | Process for sulfuric acid regeneration |
| JPS62199873A (ja) * | 1986-02-26 | 1987-09-03 | 第一工業製薬株式会社 | 合成繊維、半合成繊維の改質加工法 |
| US5194239A (en) * | 1991-02-26 | 1993-03-16 | The Ralph M. Parsons Company | Oxygen-based noncatalytic sulfuric acid process |
| BG61107B1 (bg) * | 1994-08-29 | 1996-11-29 | Институт По Инженерна Химия При Бан | Метод за получаване на серен триокис |
| AR033774A1 (es) * | 2001-05-31 | 2004-01-07 | Garcia Javier Angel Perez | Planta de anhidrido sulfuroso |
| DE10143176A1 (de) * | 2001-09-04 | 2003-03-20 | Bayer Ag | Verfahren zur Niedertemperatur-Verbrennung von Schwefel zur Herstellung von Oleum und Schwefelsäure |
| US7332074B2 (en) * | 2002-12-31 | 2008-02-19 | Psi-Ets, A North Dakota Partnership | Water circulation systems for ponds, lakes, and other bodies of water |
| US7306719B2 (en) * | 2002-12-31 | 2007-12-11 | Psi-Ets, A North Dakota Partnership | Water circulation systems for ponds, lakes, and other bodies of water |
| CA2511889C (en) * | 2002-12-31 | 2011-10-04 | Psi-Ets | Water circulation systems for ponds, lakes, and other bodies of water |
| DE102004012293B4 (de) | 2004-03-12 | 2016-09-08 | Outotec Oyj | Verfahren und Anlage zur Herstellung von Schwefelsäure |
| DE102004022506B4 (de) * | 2004-05-05 | 2012-06-21 | Outokumpu Oyj | Verfahren und Anlage zur Herstellung von Schwefelsäure aus schwefeldioxidreichen Gasen |
| DE102005008109A1 (de) | 2005-02-21 | 2006-08-24 | Outokumpu Technology Oy | Verfahren und Anlage zur Herstellung von Schwefelsäure |
| US7344692B2 (en) | 2005-05-05 | 2008-03-18 | Catalytic Distillation Technologies | Process for regenerating spent sulfuric acid |
| US7495290B2 (en) * | 2005-12-14 | 2009-02-24 | Infineon Technologies Ag | Semiconductor devices and methods of manufacture thereof |
| CN102092824B (zh) * | 2006-04-10 | 2013-06-12 | 美多拉环保公司 | 用于池塘、湖泊、市政水池以及其它水体的水循环系统 |
| US20080063593A1 (en) * | 2006-09-08 | 2008-03-13 | Catalytic Distillation Technologies | Low temperature process for regenerating spent sulfuric acid |
| WO2013044937A1 (en) * | 2011-09-29 | 2013-04-04 | Haldor Topsøe A/S | Sulphuric acid production with recycle of desulphurized gas |
| WO2017001463A1 (en) * | 2015-07-02 | 2017-01-05 | Haldor Topsøe A/S | Process for production of sulfuric acid |
| DE102015114871A1 (de) * | 2015-09-04 | 2017-03-09 | Thyssenkrupp Ag | Verfahren und Vorrichtung zur Herstellung von Schwefelsäure |
| WO2021089217A1 (en) | 2019-11-04 | 2021-05-14 | Outotec (Finland) Oy | Process and plant for producing sulphuric acid |
| CN113912022B (zh) * | 2020-07-10 | 2023-06-23 | 宝武碳业科技股份有限公司 | 一种提升硫酸装置燃烧炉出口过程气体中so2浓度的工艺 |
| EP4214154A4 (en) * | 2021-12-03 | 2024-12-25 | Chemetics Inc. | SYSTEMS AND PROCESSES FOR PRODUCING SULFURIC ACID OR LIQUEFIED SULFUR DIOXIDE |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1344905A (en) * | 1919-06-09 | 1920-06-29 | Laist Frederick | Method of producing sulfur dioxid |
| US1520093A (en) * | 1923-10-13 | 1924-12-23 | Hercules Powder Co Ltd | Process of making sulphuric acid |
| US1789460A (en) * | 1926-11-10 | 1931-01-20 | Gen Chemical Corp | Process of and apparatus for converting so, to so |
| BE406758A (en:Method) * | 1933-12-13 | 1900-01-01 | ||
| US3350169A (en) * | 1965-10-21 | 1967-10-31 | Chemical Construction Corp | Production of sulfuric acid |
| US3432263A (en) * | 1966-03-28 | 1969-03-11 | Chemical Construction Corp | High pressure sulfuric acid process |
| US3454356A (en) * | 1966-07-11 | 1969-07-08 | Exxon Research Engineering Co | Process for removing sulfur oxides from gases |
| US3615196A (en) * | 1969-05-05 | 1971-10-26 | Exxon Research Engineering Co | Process for the purification of flue gas |
| NO131417L (en:Method) * | 1970-05-01 |
-
1972
- 1972-05-12 DE DE2223131A patent/DE2223131C3/de not_active Expired
-
1973
- 1973-05-04 NL NL7306257A patent/NL7306257A/xx not_active Application Discontinuation
- 1973-05-11 GB GB2249273A patent/GB1431188A/en not_active Expired
- 1973-05-11 JP JP48052459A patent/JPS4948596A/ja active Pending
- 1973-05-14 US US359726A patent/US3907979A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2223131A1 (de) | 1973-11-22 |
| US3907979A (en) | 1975-09-23 |
| JPS4948596A (en:Method) | 1974-05-10 |
| DE2223131B2 (de) | 1979-02-15 |
| DE2223131C3 (de) | 1979-10-11 |
| GB1431188A (en) | 1976-04-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: DAVY INTERNATIONAL AKTIENGESELLSCHAFT |
|
| BV | The patent application has lapsed |