COMPOSITION AND METHOD OF GAS DEHYDRATING Russian patent published in 2020 - IPC B01D53/26 

FIELD: chemical industry.

SUBSTANCE: invention can be used for drying gas flows. Natural gas dehydration composition contains (i) 60–99.5 wt % glycol, (ii) 0.1–10 wt % borate compound, (iii) 0.01–10 wt % alkali metal carboxylate, (iv) from 0 to 30 wt % of additional glycol, different from (i), and (v) from 0 to 25 wt % of additional additive selected from alkanolamine, compound of phosphoric acid or phosphate salt, sweetening substance, low-temperature viscosity improver, a corrosion inhibitor, an antifoaming agent or mixtures thereof.

EFFECT: invention provides dehydration of natural gas with improved corrosion protection.

8 cl, 2 tbl