Process for capture of carbon dioxide and desalination
AssigneesUnited Arab Emirates University, Abu Dhabi Oil Refining Company (Takreer)
InventorMuftah El-Naas
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Abstract
The present invention relates to a process for reducing in a gas stream the concentration of carbon dioxide and for reducing in an aqueous stream the concentration of sodium chloride, which process comprises contacting a feed gas comprising greater than or equal to 0.1% by volume carbon dioxide with an aqueous feed comprising: (a) sodium chloride; and (b) calcium oxide and/or calcium hydroxide at a total concentration of greater than or equal to 0.5% by weight, wherein the pH of the aqueous feed is greater than or equal to 10.0. A product aqueous stream obtained from the process of the invention is also described.
Claims18
A process for reducing in a gas stream the concentration of carbon dioxide and for reducing in an aqueous stream the concentration of sodium chloride,
- which process comprises contacting a feed gas comprising greater than or equal to 0.1% by volume carbon dioxide with an aqueous feed comprising:
- (a) sodium chloride;
- and
- (b) calcium oxide and/or calcium hydroxide at a total concentration of greater than or equal to 0.5% by weight,
- wherein the pH of the aqueous feed is greater than or equal to 10.0.
Dependencies are inferred from the claim text.