vertical tray rectification column system bolt bonnet bottom fully insulated and clad system includes: (1) 16 square meter stainless steel tube and shell vertical reboiler condenser manufactured by Kuhni, (1) 40 square meter stainless steel tube and shell horizontal heat exchanger (overhead), manufactured by Kuhni, (226) 25mm diameter x 2.5m long tubes, (2) bolt flat heads, 630mm dimeter shell, 3056mm total length, (1) 4 square meter spiral tube vertical heat exchanger, manufactured by Kuhni, operating pressure on both sides atmospheric at room temperature, weld dished top and bottom, 495mm diameter shell x 1003mm total height, (1) 10 square meter spiral tube vertical heat exchanger, manufactured by Kuhni, operating pressure on both sides atmospheric at room temperature, weld dished top and bottom, 694mm diameter shell x 1800mm total height, (1) 2500 liter 316 stainless steel horizontal tank (decanter), manufactured by Kuhni, pressure internal atmospheric, 1094mm diameter x 2500mm straight side, weld dished ends, mounted on saddles, (1) 100 m3/hr vacuum pump skid, driven by 3.6kw, 3/50/380 volt, 1450 rpm motor