Chemical Additives For Direct Air Carbon Capture
AssigneeHalliburton Energy Services, Inc.
InventorRonald Bosch
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Abstract
A variety of methods and systems are disclosed, including, in one example, a method of direct air capture including: introducing an air stream comprising carbon dioxide into gas-liquid contactor; contacting the air stream with a treatment fluid comprising a surfactant, wherein the carbon dioxide is at least partially soluble in the treatment fluid, and wherein the carbon dioxide reacts with the treatment fluid to form a reaction product; performing an ion exchange reaction between the reaction product and a base in the presence of the surfactant to form an ion exchange product; and precipitating the ion exchange product to form a precipitate.
Claims20
A method of direct air capture comprising:
- introducing an air stream comprising carbon dioxide into a gas-liquid contactor;
- contacting the air stream with a treatment fluid comprising a surfactant, wherein the carbon dioxide is at least partially soluble in the treatment fluid, and wherein the carbon dioxide reacts with the treatment fluid to form a reaction product;
- performing an ion exchange reaction between the reaction product and a base in the presence of the surfactant to form an ion exchange product;
- and
- precipitating the ion exchange product to form a precipitate.
A system comprising:
- a gas-liquid contactor for contacting air with a treatment fluid;
- a reactor in fluid communication with the atmospheric contactor for forming crystals;
- a calciner for heating the crystals in communication with the reactor;
- and
- a source of the treatment fluid in fluid communication with the atmospheric contactor, the treatment fluid comprising a liquid solvent and a surfactant.
Dependencies are inferred from the claim text.