GB855485A - Improvements in the production of unsaturated hydrocarbons by cracking hydrocarbons - Google Patents
Improvements in the production of unsaturated hydrocarbons by cracking hydrocarbonsInfo
- Publication number
- GB855485A GB855485A GB8736/59A GB873659A GB855485A GB 855485 A GB855485 A GB 855485A GB 8736/59 A GB8736/59 A GB 8736/59A GB 873659 A GB873659 A GB 873659A GB 855485 A GB855485 A GB 855485A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solid
- added
- coke
- hydrocarbons
- compound
- Prior art date
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/02—Alkenes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/20—C2-C4 olefins
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Gaseous unsaturated hydrocarbons, particularly ethylene and propylene, are prepared by cracking liquid hydrocarbons at 600-900 DEG C., in the presence of 20-200% by weight of steam in a fluidized bed of solid to which is added a small amount of a compound of an element of Group 1a or 2a of the Periodic Table. The liquid hydrocarbon may be a petroleum fraction, crude oil or residue. Normal pressure or increased pressure, e.g. 5-20 atmospheres may be used. Oxygen may also be added separately or mixed with the hydrocarbon. The solid material may be a synthetic or natural material containing magnesium, aluminium or silicon, e.g. sillimanite, corundum or magnesite, or carbon, e.g. high temperature coke anthracite, brown coal low temperature coke or oil coke, preferably that formed in the process. The added compound may be impregnated into the solid or added direct to the bed in solid, pulverulent form, particularly when coke is the solid. The solid may contain 0,01-1% of the element of Group 1a or 2a which is preferably added as the oxide or a compound forming the oxide such as the nitrate or carbonate. Specified elements are sodium, potassium, beryllium, calcium and magnesium. If the initial material contains sulphur this appears in the product as hydrogen sulphide and not the corrosive oxides.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1958B0048237 DE1072237B (en) | 1958-03-19 | 1958-03-19 | Process for the production of unsaturated hydrocarbons, in particular ethylene and propylene, by splitting hydrocarbons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB855485A true GB855485A (en) | 1960-11-30 |
Family
ID=29723043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8736/59A Expired GB855485A (en) | 1958-03-19 | 1959-03-13 | Improvements in the production of unsaturated hydrocarbons by cracking hydrocarbons |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3027415A (en) |
| DE (1) | DE1072237B (en) |
| GB (1) | GB855485A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3261878A (en) * | 1961-02-09 | 1966-07-19 | Autothermal cracking of liquid hydrocarbons | |
| GB1397315A (en) * | 1972-08-14 | 1975-06-11 | Haldor Topsoe As | Process for catalytic steam cracking |
| US3985641A (en) * | 1974-04-15 | 1976-10-12 | Phillips Petroleum Company | Catalytic cracking of alkanes |
| JPS5251303A (en) * | 1975-10-21 | 1977-04-25 | Mitsubishi Chem Ind Ltd | Process for preparation of olefins |
| JPS5262205A (en) * | 1975-11-17 | 1977-05-23 | Mitsubishi Chem Ind Ltd | Process for preparation of olefins |
| US4409094A (en) * | 1980-08-08 | 1983-10-11 | Massachusetts Institute Of Technology | Process for detoxifying coal tars |
| US4412911A (en) * | 1982-02-24 | 1983-11-01 | Exxon Research And Engineering Co. | Process for reactivating perovskite catalysts and hydrocarbon treating processes utilizing the reactivated catalysts |
| US4956515A (en) * | 1988-12-05 | 1990-09-11 | Phillips Petroleum Company | Dehydrogenation process and catalyst |
| US5071817A (en) * | 1988-12-05 | 1991-12-10 | Kolts John H | Dehydrogenation catalyst |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2127953A (en) * | 1936-07-25 | 1938-08-23 | Phillips Petroleum Co | Process of treating hydrocarbon oils |
| US2303547A (en) * | 1940-06-18 | 1942-12-01 | William T Hancock | Method of refining hydrocarbons by cracking and catalysis |
| US2510994A (en) * | 1947-12-26 | 1950-06-13 | Houdry Process Corp | Hydrocarbon conversion with the use of a precipitated and calcined beryllium oxide catalyst |
| US2867676A (en) * | 1956-01-04 | 1959-01-06 | Sinclair Refining Co | Process for conducting high temperature conversions using fluidized solids as heat exchange media |
| US2871173A (en) * | 1958-02-04 | 1959-01-27 | Seymour Mfg Company | Method of making ductile copper platings |
-
0
- US US3027415D patent/US3027415A/en not_active Expired - Lifetime
-
1958
- 1958-03-19 DE DE1958B0048237 patent/DE1072237B/en active Pending
-
1959
- 1959-03-13 GB GB8736/59A patent/GB855485A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1072237B (en) | 1959-12-31 |
| US3027415A (en) | 1962-03-27 |
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