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US 11,806,662 B2Granted
Gas dehydration
AssigneeDow Global Technologies LLC
InventorsRunyu Tan, Reba S. Georgetown
Life of this patent
Estimating the term…
Abstract
Embodiments relate to a gas dehydration drying agent solution composition, comprising a solvent that includes at least one glycol having a number average molecular weight from 40 g/mol to 500 g/mol and from 0.01 wt % to 8.00 wt % of a cyclohexylamino sulfonic salt.
Claims7
A gas dehydration drying agent solution composition, the composition comprising:
- a solvent that includes at least one glycol having a number average molecular weight from 40 g/mol to 500 g/mol;
- and
- from 0.01 wt % to 8.00 wt % of a cyclohexylamino sulfonic salt in a buffer solution having the following structure:
- wherein n is from 1 to 6;
- wherein the buffer solution further includes at least one selected from the group of an alkali metal cation and an alkali-earth metal cation;
- wherein the solvent includes from 5 wt % to 95 wt % of the at least one glycol.
3 more elements
A process for dehydrating gas, the process comprising:
- introducing to an absorber a gas stream and a gas dehydration drying agent solution composition, the composition comprising:
- a solvent that includes at least one glycol having a number average molecular weight from 40 g/mol to 500 g/mol;
- and
- from 0.01 wt % to 8.00 wt % of a cyclohexylamino sulfonic salt in a buffer solution having the following structure:
- wherein n is from 1 to 6;
- wherein the buffer solution further includes at least one selected from the group of an alkali metal cation and an alkali-earth metal cation.
3 more elements
A process for manufacturing a gas dehydration drying agent solution composition, the composition comprising:
- a solvent that includes at least one glycol having a number average molecular weight from 40 g/mol to 500 g/mol;
- and
- from 0.01 wt % to 8.00 wt % of a cyclohexylamino sulfonic salt in a buffer solution having the following structure:
- wherein n is from 1 to 6;
- wherein the buffer solution further includes at least one selected from the group of an alkali metal cation and an alkali-earth metal cation;
- and wherein the solvent includes from 5 wt % to 95 wt % of the at least one glycol;
- the process including providing a buffer solution that includes the cyclohexylamino sulfonic salt and mixing the buffer solution with the solvent.
4 more elements
Dependencies are inferred from the claim text.