Carbon dioxide gas absorbent and carbon dioxide gas separating apparatus
First Claim
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1. A carbon dioxide gas absorbent comprising:
- lithium silicate;
0.5 mol % to 4.9 mol % of alkali carbonate per mole of said lithium silicate; and
at least one element selected from the group consisting of aluminum, magnesium, calcium, iron, titanium and carbon.
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Abstract
There is disclosed a carbon dioxide gas absorbent comprising lithium silicate, 0.5 mol % to 4.9 mol % of alkali carbonate per mole of the lithium silicate, and at least one element selected from the group consisting of aluminum, magnesium, calcium, iron, titanium and carbon.
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20 Claims
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1. A carbon dioxide gas absorbent comprising:
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lithium silicate;
0.5 mol % to 4.9 mol % of alkali carbonate per mole of said lithium silicate; and
at least one element selected from the group consisting of aluminum, magnesium, calcium, iron, titanium and carbon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A carbon dioxide gas separating apparatus comprising:
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a reaction chamber having a carbon dioxide gas inlet and a product gas outlet;
a carbon dioxide gas absorbent placed in said reaction chamber;
said carbon dioxide gas absorbent comprising lithium silicate;
0.5 mol % to 4.9 mol % of alkali carbonate per mole of said lithium silicate; and
at least one element selected from the group consisting of aluminum, magnesium, calcium, iron, titanium and carbon; and
a heater heating said reaction chamber and disposed around said reaction chamber. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification