FIELD: chemistry.
SUBSTANCE: invention relates to a method for the production of hydrolate concentrate, including the treatment of primary distillate, its separation into ether oil and hydrolate by decantation. In this case, primary distillate is subjected to flow homogenization before decantation, after which homogenized distillate is concentrated by means of its pumping under pressure of at least 0.6 MPa through reverse-osmosis membrane with a cell size from 3 to 10 nanometers, after which hydrolate concentrate and permeate are separately collected.
EFFECT: obtaining hydrolate with increased mass fraction of ether oil content – hydrolate concentrate, and increase in mass fraction of other related useful substances, in particular linalyl acetate, as well as increase of consumer value of final products.
2 cl, 1 dwg, 1 tbl
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