Patent ID: 8460444
Filing Date: 2013-06-11
Classification: B01D,E21B,Y02C,Y02P

Abstract:
1. An equipment for the pressurized adsorption of gaseous carbon dioxide from boiler flue gas for oil recovery by well injection, comprising a boiler for generating high pressure steam, a tower scrubber, a carbon dioxide absorber, a flash pot, a purifier, a carbon dioxide pressurizer, a mixing tank configured to enable mixing of gases containing carbon dioxide, nitrogen and steam and a down-hole gas injection tube, wherein: the purifier obtains higher concentrations of carbon dioxide; the flue gas outlet at the top of the boiler connects with the tower scrubber by pipelines; the steam outlet at the top of the boiler connects with the mixing tank; the tower scrubber connects with the carbon dioxide absorber by pipelines; the outlet at the bottom of the carbon dioxide absorber connects with the flash pot by pipelines; the flash pot connects with the purifier by pipelines; and the mixing tank connects with the down-hole gas injection tube by well head pipelines, and wherein the purifier comprises two twin purifying beds packed with solid packing materials comprising at least one of aluminum oxide, silica gel, activated carbon or molecular sieve.