FR2093713A5 - - Google Patents
Info
- Publication number
- FR2093713A5 FR2093713A5 FR7118878A FR7118878A FR2093713A5 FR 2093713 A5 FR2093713 A5 FR 2093713A5 FR 7118878 A FR7118878 A FR 7118878A FR 7118878 A FR7118878 A FR 7118878A FR 2093713 A5 FR2093713 A5 FR 2093713A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
-
- 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
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0452—Process control; Start-up or cooling-down procedures of the Claus process
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
- Y10T137/0329—Mixing of plural fluids of diverse characteristics or conditions
- Y10T137/0352—Controlled by pressure
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2514—Self-proportioning flow systems
- Y10T137/2521—Flow comparison or differential response
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7007611A NL7007611A (fr) | 1970-05-27 | 1970-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2093713A5 true FR2093713A5 (fr) | 1972-01-28 |
Family
ID=19810157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7118878A Expired FR2093713A5 (fr) | 1970-05-27 | 1971-05-25 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3692480A (fr) |
BE (1) | BE767601A (fr) |
CA (1) | CA947044A (fr) |
DE (1) | DE2125896A1 (fr) |
FR (1) | FR2093713A5 (fr) |
GB (1) | GB1343474A (fr) |
NL (1) | NL7007611A (fr) |
SE (1) | SE369703B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0049008A1 (fr) * | 1980-09-25 | 1982-04-07 | Metallgesellschaft Ag | Procédé pour réduire la teneur en soufre des gaz résiduaires d'une installation de production de soufre |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL169415C (nl) * | 1971-02-19 | 1983-01-17 | Shell Int Research | Werkwijze voor het omzetten in elementaire zwavel van zwaveloxyden, aanwezig in zwaveloxyden bevattende gassen. |
US3945904A (en) * | 1974-02-11 | 1976-03-23 | International Telephone & Telegraph Corporation | Process control system |
US3854884A (en) * | 1973-10-15 | 1974-12-17 | Itt | Claus process control system |
US3904370A (en) * | 1973-10-15 | 1975-09-09 | Itt | Method for controlling a claus process |
US4041142A (en) * | 1975-12-08 | 1977-08-09 | Battelle Memorial Institute | Method for removing sulfur oxide from waste gases and recovering elemental sulfur |
JPS5641809A (en) * | 1979-09-07 | 1981-04-18 | Hitachi Ltd | Method and apparatus for converting sulfur dioxide in gas into sulfur |
-
1970
- 1970-05-27 NL NL7007611A patent/NL7007611A/xx unknown
-
1971
- 1971-05-19 US US144834A patent/US3692480A/en not_active Expired - Lifetime
- 1971-05-25 DE DE19712125896 patent/DE2125896A1/de active Pending
- 1971-05-25 BE BE767601A patent/BE767601A/fr unknown
- 1971-05-25 CA CA113,835A patent/CA947044A/en not_active Expired
- 1971-05-25 GB GB1696671A patent/GB1343474A/en not_active Expired
- 1971-05-25 SE SE06765/71A patent/SE369703B/xx unknown
- 1971-05-25 FR FR7118878A patent/FR2093713A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0049008A1 (fr) * | 1980-09-25 | 1982-04-07 | Metallgesellschaft Ag | Procédé pour réduire la teneur en soufre des gaz résiduaires d'une installation de production de soufre |
Also Published As
Publication number | Publication date |
---|---|
SE369703B (fr) | 1974-09-16 |
GB1343474A (en) | 1974-01-10 |
CA947044A (en) | 1974-05-14 |
BE767601A (fr) | 1971-11-25 |
NL7007611A (fr) | 1971-11-30 |
DE2125896A1 (de) | 1971-12-02 |
US3692480A (en) | 1972-09-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |