Versatile systems for continuous in-line blending of butane...

Details Versatile systems for continuous in-line blending of butane... Versatile systems for continuous in-line blending of butane...

G - Physics

05

D

G05D 11/13 (2006.01)

Patent

CA 2647970

A system and method are provided for in-line processes of blending butane into gasoline streams, and for blending butane into a gasoline stream at any point along a petroleum pipeline. The invention additionally provides a method | for measuring the vapor pressure and vapor to liquid ratio of the gasoline, both upstream and downstream of the blending operation, the sulfur content of the butane entering the blending operation, and distillation temperatures of BOB fuels. The blending i operation can be controlled to ensure that the blended gasoline meets EPA and state requirements for vapor pressure, sulfur content and distillation temperatures of gasoline. The invention further provides a method for accessing and monitoring the operation off-site.

La présente invention concerne un système et un procédé pour le mélange en ligne de butane dans des flux d'essence, et pour le mélange de butane dans un flux d'essence à un point quelconque le long d'un pipeline de pétrole. L'invention concerne également un procédé pour mesurer la pression de vapeur et le rapport de vapeur au liquide de l'essence, tant en amont qu'en aval de l'opération de mélange, et des températures de distillation de carburants comprenant des composés oxygénés (BOB). L'opération de mélange peut être contrôlée pour assurer que le mélange d'essence satisfait les exigences de l'EPA et d'état en termes de pression de vapeur, de teneur en soufre et de températures d'essence. L'invention concerne en outre un procédé pour accéder et surveiller l'opération hors-site.

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