IP Library › Patent Application 15795055
Patent Application
App. No. 15/795,055

Method for Efficient CO2 Degasification

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Quick Facts
Patent No.
US None
App. No.
15/795,055
Abstract

A system includes a first desorption unit comprising a first input coupled to a dissolved inorganic carbon (“DIC”) solution source and a second input coupled to a vacuum source, the first desorption unit is operable to remove carbon dioxide gas from an acidified solution from the DIC solution source and comprises a solution output. A second desorption unit in the system comprises a first input coupled to the solution output from the first desorption unit and a second input coupled to a sweep gas source, the second desorption unit is operable to remove carbon dioxide gas from the solution output from the first desorption unit.

Claims (9)

1 . A system comprising:

a first desorption unit comprising a first input coupled to a dissolved inorganic carbon (“DIC”) solution source and a second input coupled to a vacuum source, the first desorption unit operable to remove carbon dioxide gas from an acidified solution from the DIC solution source and comprising a solution output; and

a second desorption unit comprising a first input coupled to the solution output from the first desorption unit and a second input coupled to a sweep gas source, the second desorption unit operable to remove carbon dioxide gas from the solution output from the first desorption unit.

2 . The system of claim 1 , further comprising a collection vessel coupled to a gas outlet of the first desorption unit and a gas outlet of the second desorption unit.

3 . The system of claim 1 , wherein the sweep gas source comprises at least one of carbon monoxide or hydrogen.

4 . The system of claim 1 , further comprising an electrodialysis unit comprising an acid solution output, the acid solution output coupled to the DIC solution source at a point upstream of the first desorption unit.

5 . The system of claim 1 , wherein the electrodialysis unit comprises an input coupled to the DIC solution source.

6 . The system of claim 1 , wherein the DIC solution source comprises a seawater solution.

7 . The system of claim 1 , wherein the DIC solution source comprises a brine output from a desalination operation.