Carbon dioxide capture method and facility
First Claim
1. A method for removing carbon dioxide from ambient air with a carbon dioxide capture facility, comprising:
- providing a liquid having a capacity to absorb carbon dioxide;
providing a packing material comprising a plurality of flow passages;
positioning the packing material such that ambient air flows in a direction from a first opposed dominant face through the plurality of flow passages to a second opposed dominant face opposite the first dominant face;
positioning a fan to influence flow of the ambient air through at least a section of one of the first or second opposed dominant faces of the packing material, the packing material having a dimension between the first and second opposed dominant faces that is parallel to the flow of the ambient air between about 1 meter and about 15 meters;
circulating, with the fan, the ambient air comprising atmospheric carbon dioxide through the plurality of flow passages of the packing material;
applying, with a pump, the liquid over the packing material at a first flow rate of the liquid during a first portion of a time duration, the first portion comprising a sufficient time duration to substantially replace a previous portion of the liquid on the packing with a new portion of the liquid that has a greater carbon dioxide absorption rate than the previous portion of the liquid;
applying, with the pump, the liquid over the packing material at a second flow rate of the liquid applied during a second portion of the time duration; and
absorbing at least a portion of the atmospheric carbon dioxide with the liquid at a predetermined duty cycle based on the time duration.
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Accused Products
Abstract
A carbon dioxide capture facility is disclosed comprising packing formed as a slab, and at least one liquid source. The slab has opposed dominant faces, the opposed dominant faces being at least partially wind penetrable to allow wind to flow through the packing. The at least one liquid source is oriented to direct carbon dioxide absorbent liquid into the packing to flow through the slab. The slab is disposed in a wind flow that has a non-zero incident angle with one of the opposed dominant faces. A method of carbon dioxide capture is also disclosed. Carbon dioxide absorbing liquid is applied into packing in a series of pulses. A gas containing carbon dioxide is flowed through the packing to at least partially absorb the carbon dioxide from the gas into the carbon dioxide absorbing liquid.
44 Citations
18 Claims
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1. A method for removing carbon dioxide from ambient air with a carbon dioxide capture facility, comprising:
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providing a liquid having a capacity to absorb carbon dioxide; providing a packing material comprising a plurality of flow passages; positioning the packing material such that ambient air flows in a direction from a first opposed dominant face through the plurality of flow passages to a second opposed dominant face opposite the first dominant face; positioning a fan to influence flow of the ambient air through at least a section of one of the first or second opposed dominant faces of the packing material, the packing material having a dimension between the first and second opposed dominant faces that is parallel to the flow of the ambient air between about 1 meter and about 15 meters; circulating, with the fan, the ambient air comprising atmospheric carbon dioxide through the plurality of flow passages of the packing material; applying, with a pump, the liquid over the packing material at a first flow rate of the liquid during a first portion of a time duration, the first portion comprising a sufficient time duration to substantially replace a previous portion of the liquid on the packing with a new portion of the liquid that has a greater carbon dioxide absorption rate than the previous portion of the liquid; applying, with the pump, the liquid over the packing material at a second flow rate of the liquid applied during a second portion of the time duration; and absorbing at least a portion of the atmospheric carbon dioxide with the liquid at a predetermined duty cycle based on the time duration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification