BE717019A - - Google Patents
Info
- Publication number
- BE717019A BE717019A BE717019DA BE717019A BE 717019 A BE717019 A BE 717019A BE 717019D A BE717019D A BE 717019DA BE 717019 A BE717019 A BE 717019A
- Authority
- BE
- Belgium
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
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
-
- 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
- C01B17/90—Separation; Purification
- C01B17/92—Recovery from acid tar or the like, e.g. alkylation acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/56—Addition to acyclic hydrocarbons
- C07C2/58—Catalytic processes
- C07C2/62—Catalytic processes with acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
- C07C2527/053—Sulfates or other compounds comprising the anion (SnO3n+1)2-
- C07C2527/054—Sulfuric acid or other acids with the formula H2Sn03n+1
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/19—Acid
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/33—Two liquids, one a heat carrier
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377908A US3333019A (en) | 1964-06-25 | 1964-06-25 | Sulfuric acid concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE717019A true BE717019A (enExample) | 1968-12-02 |
Family
ID=23491001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE717019D BE717019A (enExample) | 1964-06-25 | 1968-06-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3333019A (enExample) |
| BE (1) | BE717019A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2537967A1 (fr) * | 1982-12-17 | 1984-06-22 | Ugine Kuhlmann | Procede de purification de l'acide sulfurique sous-produit de la synthese du trifluorure de bore |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3545519A (en) * | 1968-08-06 | 1970-12-08 | Maruzen Oil Co Ltd | Process and apparatus for the treatment of waste sulfuric acid |
| US4347385A (en) * | 1981-04-14 | 1982-08-31 | Phillips Petroleum Company | Process for the separation of sulfur compounds from water |
| US4434026A (en) | 1982-02-10 | 1984-02-28 | Mack Harris | Acid concentrating and recovery system |
| US20040222157A1 (en) * | 2003-02-18 | 2004-11-11 | Minhas Bhupender S. | Process for the recovery of sulfuric acid using polymeric membranes |
| US7976710B2 (en) * | 2003-02-18 | 2011-07-12 | Exxonmobil Research And Engineering Company | Membrane and process for the recovery of acid |
| US7997426B2 (en) * | 2004-02-06 | 2011-08-16 | Exxonmobil Research And Engineering Company | Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes |
| US7837880B2 (en) * | 2004-02-06 | 2010-11-23 | Exxonmobil Research And Engineering Company | Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes |
| US20060129016A1 (en) * | 2004-12-10 | 2006-06-15 | Anderson Mark C | Methods for controlling water content of sulfuric acid in a sulfuric acid catalyzed process |
-
1964
- 1964-06-25 US US377908A patent/US3333019A/en not_active Expired - Lifetime
-
1968
- 1968-06-21 BE BE717019D patent/BE717019A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2537967A1 (fr) * | 1982-12-17 | 1984-06-22 | Ugine Kuhlmann | Procede de purification de l'acide sulfurique sous-produit de la synthese du trifluorure de bore |
| EP0115719A1 (fr) * | 1982-12-17 | 1984-08-15 | Elf Atochem S.A. | Procédé de purification de l'acide sulfurique sous-produit de la synthèse du trifluorure de bore |
Also Published As
| Publication number | Publication date |
|---|---|
| US3333019A (en) | 1967-07-25 |