Fig. 1 – Description of the experimental unit. (1) Packed
column; (2) three vial valve in the top; (3) bellflower of the
top; (4) water inner in the condenser; (5) thermocouple of
the condenser (inner); (6) thermocouple of the condenser
(out); (7) water outlet of the condenser; (8) condenser; (9)
thermocouple of the top of the column; (10) selector and
temperature indicator; (11) thermocouple of the bottom of
the column; (12) termometer of the vapor phase; (13)
thermometer of the liquid phase; (14) flask; (15) heating
system; (16) stand; (17) voltage indicator; (18) power
indicator and amperage; (19) heating power control; (20)
feed location; (21) three vial valve of the bottom; (22)
bellflower of the bottom.