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
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Authors
Dates
2020-07-29—Published
2016-10-03—Filed