| 摘要 |
1517432 Transporting viscous hydrocarbon mixtures MARATHON OIL CO 12 March 1976 [16 April 1975] 10016/76 Heading C5E A viscous hydrocarbon mixture is transported by pipeline by fractionating the hydrocarbon mixture into at least an overheads fraction and a bottoms fraction, congealing at least a portion of the bottoms fraction and forming it into solid slugs having an external diameter slightly less than the internal diameter of the pipeline through which the mixture is to be transported, replacing the slugs in the overheads fraction, and transporting the slugs in the overheads fraction through the pipeline at a temperature below the solution temperature of the slugs in the overheads fraction but not below the average pour point of the overheads fraction. |
