Carbon dioxide absorbing solution
First Claim
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1. A carbon dioxide absorbing solution, consisting essentially of:
- at least one alkanolamine selected from the group consisting of triehtanolamine, methyl diethanolamine, diethanolamine, diisopropanolamine, diglycolamine, monoethanolamine, and aminomethylpropanol;
a sulfur amino acid of formula (1) or (2);
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Abstract
The present invention provides a carbon dioxide absorbing solution capable of preventing production of an oxidization degradation product of alkanolamine, that is, BICINE. The carbon dioxide absorbing solution contains an alkanolamine and a sulfur amino acid represented by the formula (1) or (2).
9 Citations
6 Claims
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1. A carbon dioxide absorbing solution, consisting essentially of:
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at least one alkanolamine selected from the group consisting of triehtanolamine, methyl diethanolamine, diethanolamine, diisopropanolamine, diglycolamine, monoethanolamine, and aminomethylpropanol; a sulfur amino acid of formula (1) or (2); - View Dependent Claims (2, 3, 4, 5)
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6. A carbon dioxide absorbing solution, consisting of:
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at least one alkanolamine selected from the group consisting of triehtanolamine, methyl diethanolamine, diethanolamine, diisopropanolamine, diglycolamine, monoethanolamine, and aminomethylpropanol; and a sulfur amino acid of formula (1) or (2);
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Specification