Control of the concentration of methylacetylene and propadiene in a propylene/propane fractionation column
AssigneePhillips Petroleum Company
InventorJoe B. Hampton
Life of this patent
Estimating the term…
Abstract
The concentration buildup of contaminants methylacetylene and propadiene in a propylene/propane fractionation column is prevented by controlling the injection of propane from a source external from the feedstream into the inlet stream to the column in response to the measured propane content of the feedstream downstream of the point of propane injection, the measured methylacetylene content of the bottoms product from the column, or the measured methylacetylene content of a sample from a tray of the column.
Claims9
A method for separating propylene/propane mixtures containing methylacetylene and propadiene contaminants in a fractionation column comprising controlling the concentration of methylacetylene and propadiene in the column by injecting propane into the inlet stream from a source external to the feedstream with control of the propane addition in response to the measured propane content of the feedstream downstream of the point of propane injection.
A method for separating propylene/propane mixtures containing methylacetylene and propadiene contaminants in a fractionation column comprising controlling the concentration of methylacetylene and propadiene in the column by injecting propane into the inlet stream from a source external to the feedstream with control of the propane addition in response to the measured methylacetylene content of the bottoms product from the propylene/propane fractionation column.
A method for separating propylene/propane mixtures containing methylecetylene and propadiene contaminants in a fractionation column comprising controlling the concentration of methylacetylene and propadiene in the column by injecting propane into the inlet stream from a source external to the feedstream with control of the propane addition in response to the measured methylacetylene content of a sample from a tray of the propylene/propane fractionating column.
Dependencies are inferred from the claim text.