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US 12,540,086 B2Granted
Bicarbonate removal from monoethylene glycol-water streams
AssigneeCameron International Corporation
InventorBrian Edward Messenger
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Abstract
Systems and processes for the removal of bicarbonate from MEG-water-salt streams are provided. Such systems and processes remove dissolved bicarbonate from MEG-water-salt streams by addition of divalent cations and hydroxide anions.
Claims6
A process comprising:
- routing a monoethylene glycol water stream containing bicarbonate to a chemical treatment tank;
- adding divalent cations by adding calcium chloride;
- adding hydroxide anions by adding sodium hydroxide;
- forming and precipitating calcium carbonate;
- and
- discharging the monoethylene glycol water stream from the chemical treatment tank.
3 more elements
Dependencies are inferred from the claim text.