IL45571A - Process for the catalytic conversion of sulphur compounds in industrial gases to sulphur by the claus reaction - Google Patents
Process for the catalytic conversion of sulphur compounds in industrial gases to sulphur by the claus reactionInfo
- Publication number
- IL45571A IL45571A IL45571A IL4557174A IL45571A IL 45571 A IL45571 A IL 45571A IL 45571 A IL45571 A IL 45571A IL 4557174 A IL4557174 A IL 4557174A IL 45571 A IL45571 A IL 45571A
- Authority
- IL
- Israel
- Prior art keywords
- sulphur
- catalyst
- compounds
- process according
- catalysts
- Prior art date
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 21
- 239000007789 gas Substances 0.000 title claims description 21
- 239000005864 Sulphur Substances 0.000 title claims description 16
- 238000006243 chemical reaction Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 13
- 230000008569 process Effects 0.000 title claims description 13
- 230000003197 catalytic effect Effects 0.000 title description 11
- 239000003054 catalyst Substances 0.000 claims description 51
- 150000001875 compounds Chemical class 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 150000004679 hydroxides Chemical class 0.000 claims description 6
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 5
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052770 Uranium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 150000001721 carbon Chemical class 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011133 lead Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 2
- 239000004291 sulphur dioxide Substances 0.000 claims description 2
- 235000010269 sulphur dioxide Nutrition 0.000 claims description 2
- 229910052684 Cerium Inorganic materials 0.000 claims 1
- 229910052692 Dysprosium Inorganic materials 0.000 claims 1
- 229910052691 Erbium Inorganic materials 0.000 claims 1
- 229910052693 Europium Inorganic materials 0.000 claims 1
- 229910052689 Holmium Inorganic materials 0.000 claims 1
- 241000470885 Prometheum Species 0.000 claims 1
- 229910052771 Terbium Inorganic materials 0.000 claims 1
- 229910052775 Thulium Inorganic materials 0.000 claims 1
- 229910052769 Ytterbium Inorganic materials 0.000 claims 1
- AFTDTIZUABOECB-UHFFFAOYSA-N [Co].[Mo] Chemical compound [Co].[Mo] AFTDTIZUABOECB-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims 1
- 238000000975 co-precipitation Methods 0.000 claims 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims 1
- 238000001879 gelation Methods 0.000 claims 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims 1
- 239000008246 gaseous mixture Substances 0.000 description 8
- 229910052779 Neodymium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 150000001722 carbon compounds Chemical class 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- -1 sulphur compound Chemical class 0.000 description 2
- WYOIGGSUICKDNZ-UHFFFAOYSA-N 2,3,5,6,7,8-hexahydropyrrolizin-1-one Chemical compound C1CCC2C(=O)CCN21 WYOIGGSUICKDNZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- C01B17/02—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
- C01B17/0426—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 characterised by the catalytic conversion
- C01B17/0434—Catalyst compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- C01B17/0456—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 the hydrogen sulfide-containing gas being a Claus process tail gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7331383A FR2242144B1 (de) | 1973-08-30 | 1973-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL45571A0 IL45571A0 (en) | 1974-11-29 |
| IL45571A true IL45571A (en) | 1977-06-30 |
Family
ID=9124462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL45571A IL45571A (en) | 1973-08-30 | 1974-08-29 | Process for the catalytic conversion of sulphur compounds in industrial gases to sulphur by the claus reaction |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3978004A (de) |
| JP (1) | JPS521919B2 (de) |
| AT (1) | AT345254B (de) |
| BE (1) | BE819299A (de) |
| CA (1) | CA1026309A (de) |
| DE (1) | DE2441199C3 (de) |
| DK (1) | DK456374A (de) |
| ES (1) | ES429606A1 (de) |
| FI (1) | FI58596C (de) |
| FR (1) | FR2242144B1 (de) |
| GB (1) | GB1467389A (de) |
| IL (1) | IL45571A (de) |
| IT (1) | IT1019142B (de) |
| NL (1) | NL7411437A (de) |
| NO (1) | NO141594C (de) |
| RO (1) | RO66351A (de) |
| SE (2) | SE402270B (de) |
| SU (1) | SU826944A3 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818494A (en) * | 1975-05-27 | 1989-04-04 | Eastin John A | Apparatus for manufacturing nitrogen fertilizer solutions |
| US4192857A (en) * | 1975-10-17 | 1980-03-11 | Societe Nationale Elf Aquitaine (Production) | Sulphur production |
| CA1080441A (en) * | 1975-12-24 | 1980-07-01 | Gte Laboratories Incorporated | Catalytic process for removing sulfur dioxide from gas streams |
| DE2617649C2 (de) * | 1976-04-22 | 1983-03-03 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Entfernen von Schwefelwasserstoff und Schwefeldioxid aus Abgasen |
| US4374819A (en) * | 1979-11-13 | 1983-02-22 | Gte Laboratories Incorporated | Catalytic process for removing toxic gases from gas streams |
| US4568664A (en) * | 1980-07-21 | 1986-02-04 | Aluminum Company Of America | Activated alumina Claus catalyst having increased sodium oxide content |
| US4364858A (en) * | 1980-07-21 | 1982-12-21 | Aluminum Company Of America | Method of producing an activated alumina Claus catalyst |
| US4608363A (en) * | 1980-07-21 | 1986-08-26 | Aluminum Company Of America | Activated alumina Claus catalyst having increased sodium oxide content |
| US4844720A (en) * | 1982-04-02 | 1989-07-04 | Amoco Corporation | Process for removal of hydrogen sulfide and hydrogen polysulfide from liquid sulfur |
| EP0131578A4 (de) * | 1982-08-19 | 1986-05-14 | Univ Southern Australia | Katalysatoren. |
| FR2540092B1 (fr) * | 1983-01-31 | 1986-02-21 | Elf Aquitaine | Procede catalytique de production de soufre a partir d'un gaz renfermant h2s |
| FR2540006B1 (fr) * | 1983-01-31 | 1988-04-01 | Rhone Poulenc Spec Chim | Catalyseur d'oxydation de l'hydrogene sulfure |
| US5171551A (en) * | 1986-04-30 | 1992-12-15 | Rhone-Poulenc Chimie | Zirconium dioxide gas desulfurization catalyst |
| FR2608458B1 (fr) * | 1986-12-23 | 1989-03-10 | Rhone Poulenc Chimie | Catalyseur a base d'oxyde de cerium et procede pour le traitement de gaz industriels contenant des composes du soufre |
| FR2625113B1 (fr) * | 1987-12-23 | 1993-10-22 | Rhone Poulenc Chimie | Catalyseurs pour traitement des effluents gazeux et procede de traitement de ces effluents |
| US5766567A (en) * | 1990-02-13 | 1998-06-16 | Elf Aquitaine Production | Method for desulphurising a gaseous mixture containing H2 S and SO.sub. |
| US5134107A (en) * | 1991-09-06 | 1992-07-28 | Ford Motor Company | Single phase metal-alumina made by sol-gel processing |
| US5260248A (en) * | 1992-08-28 | 1993-11-09 | Carus Corporation | Stable high temperature manganese based oxidation catalyst |
| US5512260A (en) * | 1994-03-04 | 1996-04-30 | Mobil Oil Corporation | Reduction of sulfur content in a gaseous stream |
| FR2734809B1 (fr) * | 1995-05-30 | 1997-07-18 | Elf Aquitaine | Procede de desulfuration catalytique d'un gaz renfermant les composes h2s et so2 et eventuellement cos et/ou cs2, avec recuperation desdits composes sous la forme de soufre et catalyseur pour la mise en oeuvre dudit procede |
| US6967063B2 (en) | 2001-05-18 | 2005-11-22 | The University Of Chicago | Autothermal hydrodesulfurizing reforming method and catalyst |
| FR2840295B1 (fr) * | 2002-06-03 | 2005-02-04 | Inst Francais Du Petrole | Prodede d'elimination du soufre d'une charge contenant de l'hydrogene sulfure et du benzene, toluene et/ou xylenes |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2361825A (en) * | 1941-08-25 | 1944-10-31 | Union Oil Co | Reduction of sulphur dioxide to hydrogen sulphide and free sulphur |
| US2337191A (en) * | 1942-12-07 | 1943-12-21 | Shell Dev | Dehydrogenation process |
| US2972522A (en) * | 1956-08-30 | 1961-02-21 | Universal Oil Prod Co | Sulfur production |
| US3226340A (en) * | 1960-05-04 | 1965-12-28 | Ethyl Corp | Catalyst compositions comprising alumina with an inner lamina of metal oxide and an outermost lamina of copper oxide |
| US3322491A (en) * | 1963-07-31 | 1967-05-30 | Grace W R & Co | Method of treating exhaust gases |
| US3404100A (en) * | 1963-10-21 | 1968-10-01 | Exxon Research Engineering Co | Methane production using a promoted catalyst |
| US3346340A (en) * | 1966-08-11 | 1967-10-10 | Universal Oil Prod Co | Production of bromine by oxidation of hydrogen bromide |
| US3483138A (en) * | 1966-08-31 | 1969-12-09 | Ethyl Corp | Neodymium oxide catalyst compositions |
| US3760023A (en) * | 1971-04-26 | 1973-09-18 | Ashland Oil Inc | Hydrodealkylation process with promoted group vib metals and promoters |
-
1973
- 1973-08-30 FR FR7331383A patent/FR2242144B1/fr not_active Expired
-
1974
- 1974-08-01 US US05/493,761 patent/US3978004A/en not_active Expired - Lifetime
- 1974-08-08 CA CA206,627A patent/CA1026309A/en not_active Expired
- 1974-08-27 FI FI2510/74A patent/FI58596C/fi active
- 1974-08-27 GB GB3746774A patent/GB1467389A/en not_active Expired
- 1974-08-27 AT AT693674A patent/AT345254B/de not_active IP Right Cessation
- 1974-08-28 DK DK456374A patent/DK456374A/da unknown
- 1974-08-28 ES ES429606A patent/ES429606A1/es not_active Expired
- 1974-08-28 IT IT52782/74A patent/IT1019142B/it active
- 1974-08-28 DE DE2441199A patent/DE2441199C3/de not_active Expired
- 1974-08-28 RO RO7479869A patent/RO66351A/ro unknown
- 1974-08-28 NO NO743075A patent/NO141594C/no unknown
- 1974-08-28 NL NL7411437A patent/NL7411437A/xx not_active Application Discontinuation
- 1974-08-28 BE BE147993A patent/BE819299A/xx not_active IP Right Cessation
- 1974-08-29 IL IL45571A patent/IL45571A/en unknown
- 1974-08-29 JP JP49099432A patent/JPS521919B2/ja not_active Expired
- 1974-08-29 SU SU742056162A patent/SU826944A3/ru active
- 1974-08-29 SE SE7410947A patent/SE402270B/xx unknown
-
1977
- 1977-03-28 SE SE7703551A patent/SE419536B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5051486A (de) | 1975-05-08 |
| DE2441199B2 (de) | 1977-09-22 |
| GB1467389A (en) | 1977-03-16 |
| IL45571A0 (en) | 1974-11-29 |
| DK456374A (de) | 1975-04-28 |
| FR2242144B1 (de) | 1977-08-19 |
| BE819299A (fr) | 1975-02-28 |
| NO141594C (no) | 1980-04-23 |
| SE7703551L (sv) | 1977-03-28 |
| JPS521919B2 (de) | 1977-01-18 |
| US3978004A (en) | 1976-08-31 |
| DE2441199A1 (de) | 1975-03-27 |
| FI251074A (de) | 1975-03-01 |
| NO743075L (de) | 1975-03-24 |
| AT345254B (de) | 1978-09-11 |
| SE419536B (sv) | 1981-08-10 |
| IT1019142B (it) | 1977-11-10 |
| ATA693674A (de) | 1978-01-15 |
| RO66351A (fr) | 1979-06-15 |
| FR2242144A1 (de) | 1975-03-28 |
| SU826944A3 (ru) | 1981-04-30 |
| NO141594B (no) | 1980-01-02 |
| FI58596B (fi) | 1980-11-28 |
| FI58596C (fi) | 1981-03-10 |
| CA1026309A (en) | 1978-02-14 |
| NL7411437A (nl) | 1975-03-04 |
| DE2441199C3 (de) | 1978-05-18 |
| SE402270B (sv) | 1978-06-26 |
| SE7410947L (de) | 1975-03-03 |
| ES429606A1 (es) | 1976-10-01 |
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