System for the production of ketene and methylene from carbonate minerals
US4434133A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 1981 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | May 26, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/88
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Organic hydrocarbon materials are produced from plentiful inorganic limestone type materials by: (1) reacting the limestone type materials with molten lithium metal to produce Li.sub.2 C.sub.2 (2) hydrolyzing the Li.sub.2 C.sub.2 to produce C.sub.2 H.sub.2, (3) catalytically reacting the C.sub.2 H.sub.2 with steam to produce CH.sub.3 COCH.sub.3, (4) pyrolyzing the CH.sub.3 COCH.sub.3 to provide ketene and methane, and separating the ketene. The ketene may then be decomposed to provide methylene, which can be reacted with an alkane, such as methane in an insertion chain reaction, to provide organic hydrocarbon materials. An in-place nuclear reactor can provide energy for the endothermic reactions of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.